Developer CD Series 1997 April: Mac OS SDK

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/ Developer CD Series 1997 April: Mac OS SDK / Dev.CD Apr 97 SDK1.toast / Development Kits (Disc 1) / Apple Game Sprockets / InputSprocket 1.1 / InputSprocket.h < prev next >

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C/C++ Source or Header | 1996-12-18 | 20.1 KB | 818 lines | [TEXT/CWIE]

/* * File: InputSprocket.h * * Version: Input Sprocket 1.1 * * Dependencies: Universal Interfaces 2.1.2 on ETO #20 * * Contents: Public interfaces for InputSprocket. * * Bugs: If you find a problem with this file or InputSprocketLib, * please send e-mail describing the problem in enough detail * to be reproduced, and include the version number above, the * version of MacOS and hardware configuration information to * sprockets@adr.apple.com. * * Copyright (c) 1996 Apple Computer, Inc. All rights reserved. */ #ifndef __INPUTSPROCKET__ #define __INPUTSPROCKET__ #ifndef __TYPES__ #include <Types.h> #endif /* #include <ConditionalMacros.h> */ #ifndef __EVENTS__ #include <Events.h> #endif #ifndef USE_OLD_INPUT_SPROCKET_LABELS #define USE_OLD_INPUT_SPROCKET_LABELS 1 // this will be changed to false soon #endif #if GENERATINGPOWERPC #ifdef __cplusplus extern "C" { #endif #if PRAGMA_ALIGN_SUPPORTED #pragma options align=power #endif /* ********************* data types ********************* */ typedef struct ISpDevicePrivate *ISpDeviceReference; typedef struct ISpElementPrivate *ISpElementReference; typedef struct ISpElementListPrivate *ISpElementListReference; typedef OSType ISpDeviceClass; /* general classs of device, example: keyboard, mouse, joystick */ typedef OSType ISpDeviceIdentifier; /* a specific device, example: standard 1-button mouse, 105key ext. kbd. */ typedef OSType ISpElementLabel; typedef OSType ISpElementKind; /* *************** errors -30420 to -30439***************** */ enum { kISpInternalErr = -30420, kISpSystemListErr = -30421, kISpBufferToSmallErr = -30422, kISpElementInListErr = -30423, kISpElementNotInListErr = - 30424, kISpSystemInactiveErr = -30425, kISpDeviceInactiveErr = -30426, kISpSystemActiveErr = -30427, kISpDeviceActiveErr = -30428, kISpListBusyErr = -30429 }; /* *************** resources **************** */ enum { kISpSetListResourceType = 'setl', kISpSetDataResourceType = 'setd' }; /* * ISpDeviceDefinition * * This structure provides all the available * information for an input device within the system * */ typedef struct ISpDeviceDefinition { Str63 deviceName; /* a human readable name of the device */ ISpDeviceClass theDeviceClass; /* general classs of device example : keyboard, mouse, joystick */ ISpDeviceIdentifier theDeviceIdentifier; /* every distinguishable device should have an OSType */ UInt32 permanentID; /* a cross reboot id unique within that deviceType, 0 if not possible */ UInt32 flags; /* status flags */ UInt32 reserved1; UInt32 reserved2; UInt32 reserved3; } ISpDeviceDefinition; enum { kISpDeviceFlag_HandleOwnEmulation = 1 }; /* * ISpElementEvent, ISpElementEventPtr * * This is the structure that event data is passed in. * */ typedef struct ISpElementEvent { AbsoluteTime when; /* this is absolute time on PCI or later, otherwise it is */ /* 0 for the hi 32 bits and TickCount for the low 32 bits */ ISpElementReference element; /* a reference to the element that generated this event */ UInt32 refCon; /* for application usage, 0 on the global list */ UInt32 data; /* the data for this event */ } ISpElementEvent, *ISpElementEventPtr; /* * ISpElementInfo, ISpElementInfoPtr * * This is the generic definition of an element. * Every element must contain this information. * */ typedef struct ISpElementInfo { ISpElementLabel theLabel; ISpElementKind theKind; Str63 theString; UInt32 reserved1; UInt32 reserved2; } ISpElementInfo, *ISpElementInfoPtr; typedef struct ISpNeed { Str63 name; short iconSuiteResourceId; /* resource id of the icon suite */ short reserved; ISpElementKind theKind; ISpElementLabel theLabel; UInt32 flags; UInt32 reserved1; UInt32 reserved2; UInt32 reserved3; } ISpNeed; typedef UInt32 ISpNeedFlagBits; enum { kISpNeedFlag_NoMultiConfig = 1 }; /* * * These are the current built values for ISpDeviceClass * */ enum { kISpDeviceClass_SpeechRecognition = 'talk', kISpDeviceClass_Mouse = 'mous', kISpDeviceClass_Keyboard = 'keyd', kISpDeviceClass_Joystick = 'joys', kISpDeviceClass_Wheel = 'whel', kISpDeviceClass_Pedals = 'pedl', kISpDeviceClass_Levers = 'levr', kISpDeviceClass_Tickle = 'tckl' // a device of this class requires ISpTickle }; /* * These are the current built in ISpElementKind's * * These are all OSTypes. * */ enum { kISpElementKind_Button = 'butn', kISpElementKind_DPad = 'dpad', kISpElementKind_Axis = 'axis', kISpElementKind_Movement = 'move', kISpElementKind_Virtual = 'virt' }; /* * * These are the current built in ISpElementLabel's * * These are all OSTypes. * */ #if USE_OLD_INPUT_SPROCKET_LABELS enum { /* axis */ kISpElementLabel_XAxis = 'xaxi', kISpElementLabel_YAxis = 'yaxi', kISpElementLabel_ZAxis = 'zaxi', kISpElementLabel_Rx = 'rxax', kISpElementLabel_Ry = 'ryax', kISpElementLabel_Rz = 'rzax', kISpElementLabel_Gas = 'gasp', kISpElementLabel_Brake = 'brak', kISpElementLabel_Clutch = 'cltc', kISpElementLabel_Throttle = 'thrt', kISpElementLabel_Trim = 'trim', /* direction pad */ kISpElementLabel_POVHat = 'povh', kISpElementLabel_PadMove = 'move', /* buttons */ kISpElementLabel_Fire = 'fire', kISpElementLabel_Start = 'strt', kISpElementLabel_Select = 'optn' }; #endif enum { /* generic */ kISpElementLabel_None = 'none', /* axis */ kISpElementLabel_Axis_XAxis = 'xaxi', kISpElementLabel_Axis_YAxis = 'yaxi', kISpElementLabel_Axis_ZAxis = 'zaxi', kISpElementLabel_Axis_Rx = 'rxax', kISpElementLabel_Axis_Ry = 'ryax', kISpElementLabel_Axis_Rz = 'rzax', kISpElementLabel_Axis_Gas = 'gasp', kISpElementLabel_Axis_Brake = 'brak', kISpElementLabel_Axis_Clutch = 'cltc', kISpElementLabel_Axis_Throttle = 'thrt', kISpElementLabel_Axis_Trim = 'trim', kISpElementLabel_Axis_Rudder = 'rudd', /* direction pad */ kISpElementLabel_Pad_POV = 'povh', kISpElementLabel_Pad_Move = 'move', /* buttons */ kISpElementLabel_Btn_Fire = 'fire', kISpElementLabel_Btn_SecondaryFire = 'sfir', kISpElementLabel_Btn_Jump = 'jump', kISpElementLabel_Btn_PauseResume = 'strt', /* kISpElementLabel_Btn_PauseResume automatically binds to escape */ kISpElementLabel_Btn_Select = 'optn', kISpElementLabel_Btn_SlideLeft = 'blft', kISpElementLabel_Btn_SlideRight = 'brgt', kISpElementLabel_Btn_MoveForward = 'btmf', kISpElementLabel_Btn_MoveBackward = 'btmb', kISpElementLabel_Btn_TurnLeft = 'bttl', kISpElementLabel_Btn_TurnRight = 'bttr', kISpElementLabel_Btn_LookLeft = 'btll', kISpElementLabel_Btn_LookRight = 'btlr', kISpElementLabel_Btn_LookUp = 'btlu', kISpElementLabel_Btn_LookDown = 'btld', kISpElementLabel_Btn_Next = 'btnx', kISpElementLabel_Btn_Previous = 'btpv', kISpElementLabel_Btn_SideStep = 'side', kISpElementLabel_Btn_Run = 'quik', kISpElementLabel_Btn_Look = 'blok' }; /* * * direction pad data & configuration information * */ typedef UInt32 ISpDPadData; enum { kISpPadIdle = 0, kISpPadLeft, kISpPadUpLeft, kISpPadUp, kISpPadUpRight, kISpPadRight, kISpPadDownRight, kISpPadDown, kISpPadDownLeft }; typedef struct ISpDPadConfigurationInfo { UInt32 id; /* ordering 1..n, 0 = no relavent ordering of direction pads */ Boolean fourWayPad; /* true if this pad can only produce idle + four directions */ } ISpDPadConfigurationInfo; /* * * button data & configuration information * */ typedef UInt32 ISpButtonData; enum { kISpButtonUp = 0, kISpButtonDown = 1 }; typedef struct ISpButtonConfigurationInfo { UInt32 id; /* ordering 1..n, 0 = no relavent ordering of buttons */ } ISpButtonConfigurationInfo; /* * * axis data & configuration information * */ #define kISpAxisMinimum 0x00000000U #define kISpAxisMiddle 0x7FFFFFFFU #define kISpAxisMaximum 0xFFFFFFFFU typedef struct ISpAxisConfigurationInfo { Boolean symetricAxis; /* axis is symetric, i.e. a joystick is symetric and a gas pedal is not */ } ISpAxisConfigurationInfo; typedef struct ISpMovementData { UInt32 xAxis; UInt32 yAxis; UInt32 direction; /* ISpDPadData version of the movement */ } ISpMovementData; enum { kISpVirtualElementFlag_UseTempMem = 1 }; enum { kISpElementListFlag_UseTempMem = 1 }; enum { kISpFirstIconSuite = 30000, kISpLastIconSuite = 30100, kISpNoneIconSuite = 30000 }; /* ********************* user level functions ********************* */ /* * * startup / shutdown * */ OSStatus ISpStartup(void); // 1.1 or later OSStatus ISpShutdown(void); // 1.1 or later /* * * polling * */ OSStatus ISpTickle(void); // 1.1 or later /********** user interface functions **********/ NumVersion ISpGetVersion(void); /* * * ISpElement_NewVirtual(ISpElementReference *outElement); * */ OSStatus ISpElement_NewVirtual(UInt32 dataSize, ISpElementReference *outElement, UInt32 flags); /* * * ISpElement_NewVirtualFromNeeds(UInt32 count, ISpNeeds *needs, ISpElementReference *outElements); * */ OSStatus ISpElement_NewVirtualFromNeeds(UInt32 count, ISpNeed *needs, ISpElementReference *outElements, UInt32 flags); /* * * ISpElement_DisposeVirtual(inElement); * */ OSStatus ISpElement_DisposeVirtual(UInt32 count, ISpElementReference *inElements); /* * ISpInit * */ OSStatus ISpInit( UInt32 count, ISpNeed *needs, ISpElementReference *inReferences, OSType appCreatorCode, OSType subCreatorCode, UInt32 flags, short setListResourceId, UInt32 version); /* * ISpConfigure * */ typedef Boolean (*ISpEventProcPtr) (EventRecord* inEvent); OSStatus ISpConfigure(ISpEventProcPtr inEventProcPtr); /* * * ISpStop * */ OSStatus ISpStop(void); /* * * ISpSuspend, ISpResume * * ISpSuspend turns all devices off and allocates memory so that the state may be later resumed. * ISpResume resumes to the previous state of the system after a suspend call. * * Return Codes * memFullErr * */ OSStatus ISpSuspend(void); OSStatus ISpResume(void); /* * ISpDevices_Extract, ISpDevices_ExtractByClass, ISpDevices_ExtractByIdentifier * * These will extract as many device references from the system wide list as will fit in your buffer. * * inBufferCount - the size of your buffer (in units of sizeof(ISpDeviceReference)) this may be zero * buffer - a pointer to your buffer * outCount - contains the number of devices in the system * * ISpDevices_ExtractByClass extracts and counts devices of the specified ISpDeviceClass * ISpDevices_ExtractByIdentifier extracts and counts devices of the specified ISpDeviceIdentifier * * Return Codes * paramErr * */ OSStatus ISpDevices_Extract(UInt32 inBufferCount, UInt32 *outCount, ISpDeviceReference *buffer); OSStatus ISpDevices_ExtractByClass(ISpDeviceClass inClass, UInt32 inBufferCount, UInt32 *outCount, ISpDeviceReference *buffer); OSStatus ISpDevices_ExtractByIdentifier(ISpDeviceIdentifier inIdentifier, UInt32 inBufferCount, UInt32 *outCount, ISpDeviceReference *buffer); /* * ISpDevices_ActivateClass, ISpDevices_DeactivateClass, ISpDevices_Activate, ISpDevices_Deactivate, ISpDevice_IsActive * * ISpDevices_Activate, ISpDevices_Deactivate * * This will activate/deactivate a block of devices. * inDeviceCount - the number of devices to activate / deactivate * inDevicesToActivate/inDevicesToDeactivate - a pointer to a block of memory contains the devices references * * ISpDevices_ActivateClass, ISpDevices_DeactivateClass * inClass - the class of devices to activate or deactivate * * ISpDevice_IsActive * inDevice - the device reference that you wish to * outIsActive - a boolean value that is true when the device is active * * Return Codes * paramErr * */ OSStatus ISpDevices_ActivateClass(ISpDeviceClass inClass); // 1.1 or later OSStatus ISpDevices_DeactivateClass(ISpDeviceClass inClass); // 1.1 or later OSStatus ISpDevices_Activate(UInt32 inDeviceCount, ISpDeviceReference *inDevicesToActivate); OSStatus ISpDevices_Deactivate(UInt32 inDeviceCount, ISpDeviceReference *inDevicesToDeactivate); OSStatus ISpDevice_IsActive(ISpDeviceReference inDevice, Boolean *outIsActive); /* * ISpDevice_GetDefinition * * * inDevice - the device you want to get the definition for * inBuflen - the size of the structure (sizeof(ISpDeviceDefinition)) * outStruct - a pointer to where you want the structure copied * * Return Codes * paramErr * */ OSStatus ISpDevice_GetDefinition(const ISpDeviceReference inDevice, UInt32 inBuflen, ISpDeviceDefinition *outStruct); /* * * ISpDevice_GetElementList * * inDevice - the device whose element list you wish to get * outElementList - a pointer to where you want a reference to that list stored * * Return Codes * paramErr * */ OSStatus ISpDevice_GetElementList(const ISpDeviceReference inDevice, ISpElementListReference *outElementList); /* * * takes an ISpElementReference and returns the group that it is in or 0 if there is * no group * * Return Codes * paramErr * */ OSStatus ISpElement_GetGroup(const ISpElementReference inElement, UInt32 *outGroup); /* * * takes an ISpElementReference and returns the device that the element belongs * to. * * Return Codes * paramErr if inElement is 0 or outDevice is nil * */ OSStatus ISpElement_GetDevice(const ISpElementReference inElement, ISpDeviceReference *outDevice); /* * * takes an ISpElementReference and gives the ISpElementInfo for that Element. This is the * the set of standard information. You get ISpElementKind specific information * through ISpElement_GetConfigurationInfo. * * Return Codes * paramErr if inElement is 0 or outInfo is nil * */ OSStatus ISpElement_GetInfo(const ISpElementReference inElement, ISpElementInfoPtr outInfo); /* * * * * takes an ISpElementReference and gives the ISpElementKind specific configuration information * * if buflen is not long enough to hold the information ISpElement_GetConfigurationInfo will * copy buflen bytes of the data into the block of memory pointed to by configInfo and * will return something error. * * Return Codes * paramErr if inElement or configInfo is nil * */ OSStatus ISpElement_GetConfigurationInfo(const ISpElementReference inElement, UInt32 buflen, void *configInfo); /* * * ISpElement_GetSimpleState * * Takes an ISpElementReference and returns the current state of that element. This is a * specialized version of ISpElement_GetComplexState that is only appropriate for elements * whose data fits in a signed 32 bit integer. * * * * Return Codes * paramErr if inElement is 0 or state is nil * */ OSStatus ISpElement_GetSimpleState(const ISpElementReference inElement, UInt32 *state); /* * * ISpElement_GetComplexState * * Takes an ISpElementReference and returns the current state of that element. * Will copy up to buflen bytes of the current state of the device into * state. * * * Return Codes * paramErr if inElement is 0 or state is nil * */ OSStatus ISpElement_GetComplexState(const ISpElementReference inElement, UInt32 buflen, void *state); /* * ISpElement_GetNextEvent * * It takes in an element reference and the buffer size of the ISpElementEventPtr * it will set wasEvent to true if there was an event and false otherwise. If there * was not enough space to fill in the whole event structure that event will be * dequed, as much of the event as will fit in the buffer will by copied and * ISpElement_GetNextEvent will return an error. * * Return Codes * paramErr * */ OSStatus ISpElement_GetNextEvent(ISpElementReference inElement, UInt32 bufSize, ISpElementEventPtr event, Boolean *wasEvent); /* * * ISpElement_Flush * * It takes an ISpElementReference and flushes all the events on that element. All it guaruntees is * that any events that made it to this layer before the time of the flush call will be flushed and * it will not flush any events that make it to this layer after the time when the call has returned. * What happens to events that occur during the flush is undefined. * * * Return Codes * paramErr * */ OSStatus ISpElement_Flush(ISpElementReference inElement); /* * ISpElementList_New * * Creates a new element list and returns it in outElementList. In count specifies * the number of element references in the list pointed to by inElements. If inCount * is non zero the list is created with inCount elements in at as specified by the * inElements parameter. Otherwise the list is created empty. * * * Return Codes * out of memory - If it failed to allocate the list because it was out of memory it will also set outElementList to 0 * paramErr if outElementList was nil * * * Special Concerns * * interrupt unsafe * */ OSStatus ISpElementList_New(UInt32 inCount, ISpElementReference *inElements, ISpElementListReference *outElementList, UInt32 flags); /* * ISpElementList_Dispose * * Deletes an already existing memory list. * * * Return Codes * paramErr if inElementList was 0 * * * Special Concerns * * interrupt unsafe * */ OSStatus ISpElementList_Dispose(ISpElementListReference inElementList); /* * ISpGetGlobalElementList * * returns the global element list * * Return Codes * paramErr if outElementList is nil * */ OSStatus ISpGetGlobalElementList(ISpElementListReference *outElementList); /* * ISpElementList_AddElement * * adds an element to the element list * * Return Codes * paramErr if inElementList is 0 or newElement is 0 * memory error if the system is unable to allocate enough memory * * Special Concerns * interrupt Unsafe * */ OSStatus ISpElementList_AddElements(ISpElementListReference inElementList, UInt32 refCon, UInt32 count, ISpElementReference *newElements); /* * ISpElementList_RemoveElement * * removes the specified element from the element list * * Return Codes * paramErr if inElementList is 0 or oldElement is 0 * memory error if the system is unable to allocate enough memory * * Special Concerns * interrupt Unsafe * */ OSStatus ISpElementList_RemoveElements(ISpElementListReference inElementList, UInt32 count, ISpElementReference *oldElement); /* * ISpElementList_Extract * * ISpElementList_Extract will extract as many of the elements from an element list as possible. You pass * in an element list, a pointer to an array of element references and the number of elements in that array. * It will return how many items are in the element list in the outCount parameter and copy the minimum of * that number and the size of the array into the buffer. * * ByKind and ByLabel are the same except that they will only count and copy element references to elements * that have the specified kind and label. * * Return Codes * paramErr * */ OSStatus ISpElementList_Extract(ISpElementListReference inElementList, UInt32 inBufferCount, UInt32 *outCount, ISpElementReference *buffer); OSStatus ISpElementList_ExtractByKind(ISpElementListReference inElementList, ISpElementKind inKind, UInt32 inBufferCount, UInt32 *outCount, ISpElementReference *buffer); OSStatus ISpElementList_ExtractByLabel(ISpElementListReference inElementList, ISpElementLabel inLabel, UInt32 inBufferCount, UInt32 *outCount, ISpElementReference *buffer); /* * ISpElementList_GetNextEvent * * It takes in an element list reference and the buffer size of the ISpElementEventPtr * it will set wasEvent to true if there was an event and false otherwise. If there * was not enough space to fill in the whole event structure that event will be * dequed, as much of the event as will fit in the buffer will by copied and * ISpElementList_GetNextEvent will return an error. * * Return Codes * paramErr * */ OSStatus ISpElementList_GetNextEvent(ISpElementListReference inElementList, UInt32 bufSize, ISpElementEventPtr event, Boolean *wasEvent); /* * * ISpElementList_Flush * * It takes an ISpElementListReference and flushes all the events on that list. All it guaruntees is * that any events that made it to this layer before the time of the flush call will be flushed and * it will not flush any events that make it to this layer after the time when the call has returned. * What happens to events that occur during the flush is undefined. * * * Return Codes * paramErr * */ OSStatus ISpElementList_Flush(ISpElementListReference inElementList); #ifdef __cplusplus } #endif #if PRAGMA_ALIGN_SUPPORTED #pragma options align=reset #endif #endif /* GENERATINGPOWERPC */ #endif /* __INPUTSPROCKET__ */