2006-01-23 03:48:03 +00:00
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#ifndef HIDDEVICE_H
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#define HIDDEVICE_H
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#include <CoreFoundation/CoreFoundation.h>
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#include <IOKit/hid/IOHIDLib.h>
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#include <IOKit/IOKitLib.h>
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#include <IOKit/IOCFPlugIn.h>
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#include <IOKit/hid/IOHIDUsageTables.h>
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#include <IOKit/usb/USB.h>
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#include <mach/mach.h>
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#include <mach/mach_error.h>
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#include <vector>
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#include <utility>
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#include "RageLog.h"
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#include "RageInputDevice.h"
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/* A few helper functions. */
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// The result needs to be released.
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static inline CFNumberRef CFInt( int n )
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{
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return CFNumberCreate( kCFAllocatorDefault, kCFNumberIntType, &n );
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}
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static inline void PrintIOErr( IOReturn err, const char *s )
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{
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LOG->Warn( "%s - %s(%x,%d)", s, mach_error_string(err), err, err & 0xFFFFFF );
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}
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2006-01-27 07:30:42 +00:00
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static inline Boolean IntValue( const void *o, int &n )
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2006-01-23 03:48:03 +00:00
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{
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2006-01-27 07:30:42 +00:00
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return CFNumberGetValue( CFNumberRef(o), kCFNumberIntType, &n );
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2006-01-23 03:48:03 +00:00
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}
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/*
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* This is just awful, these aren't objects, treating them as such leads
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* to: (*object)->function(object [, argument]...)
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* Instead, do: CALL(object, function [, argument]...)
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*/
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#define CALL(o,f,...) (*(o))->f((o), ## __VA_ARGS__)
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class HIDDevice
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{
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private:
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IOHIDDeviceInterface **m_Interface;
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IOHIDQueueInterface **m_Queue;
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bool m_bRunning;
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RString m_sDescription;
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static void AddLogicalDevice( const void *value, void *context );
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static void AddElement( const void *value, void *context );
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protected:
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virtual bool AddLogicalDevice( int usagePage, int usage ) = 0;
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virtual void AddElement( int usagePage, int usage, int cookie, const CFDictionaryRef dict ) = 0;
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virtual void Open() = 0;
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inline void AddElementToQueue( int cookie )
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{
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CALL( m_Queue, addElement, IOHIDElementCookie(cookie), 0 );
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}
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public:
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HIDDevice();
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virtual ~HIDDevice();
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bool Open( io_object_t device );
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void StartQueue( CFRunLoopRef loopRef, IOHIDCallbackFunction callback, void *target, int refCon );
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inline const RString& GetDescription() const { return m_sDescription; }
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virtual void GetButtonPresses( vector<pair<DeviceInput, bool> >& vPresses, int cookie,
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int value, const RageTimer& now ) const = 0;
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/*
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* Returns the number of IDs assigned starting from startID. This is not meaningful for devices like
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* keyboards that all share the same InputDevice id.
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*/
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virtual int AssignIDs( InputDevice startID ) { return 0; }
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virtual void GetDevicesAndDescriptions( vector<InputDevice>& dev, vector<RString>& desc ) const = 0;
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};
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#endif
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