Return to IOHIPointing.h CVS log

Up to [Apple XNU] / XNU / iokit / IOKit / hidsystem

Annotation of XNU/iokit/IOKit/hidsystem/IOHIPointing.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * The contents of this file constitute Original Code as defined in and
        !             7:  * are subject to the Apple Public Source License Version 1.1 (the
        !             8:  * "License").  You may not use this file except in compliance with the
        !             9:  * License.  Please obtain a copy of the License at
        !            10:  * http://www.apple.com/publicsource and read it before using this file.
        !            11:  * 
        !            12:  * This Original Code and all software distributed under the License are
        !            13:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            14:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            15:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            16:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            17:  * License for the specific language governing rights and limitations
        !            18:  * under the License.
        !            19:  * 
        !            20:  * @APPLE_LICENSE_HEADER_END@
        !            21:  */
        !            22: #ifndef _IOHIPOINTING_H
        !            23: #define _IOHIPOINTING_H
        !            24: 
        !            25: #include <IOKit/hidsystem/IOHIPointing.h>
        !            26: #include <IOKit/hidsystem/IOHIDevice.h>
        !            27: #include <IOKit/hidsystem/IOHIDTypes.h>
        !            28: 
        !            29: /* Start Action Definitions */
        !            30: 
        !            31: /*
        !            32:  * HISTORICAL NOTE:
        !            33:  *   The following entry points were part of the IOHIPointingEvents
        !            34:  *   protocol.
        !            35:  */
        !            36: typedef void (*RelativePointerEventAction)(OSObject * target,
        !            37:                         /* buttons */      int        buttons,
        !            38:                         /* deltaX */       int        dx,
        !            39:                         /* deltaY */       int        dy,
        !            40:                         /* atTime */       AbsoluteTime ts);
        !            41: 
        !            42: typedef void (*AbsolutePointerEventAction)(OSObject * target,
        !            43:                         /* buttons */      int        buttons,
        !            44:                         /* at */           Point *    newLoc,
        !            45:                         /* withBounds */   Bounds *   bounds,
        !            46:                         /* inProximity */  bool       proximity,
        !            47:                         /* withPressure */ int        pressure,
        !            48:                         /* withAngle */    int        stylusAngle,
        !            49:                         /* atTime */       AbsoluteTime ts);
        !            50: 
        !            51: typedef void (*ScrollWheelEventAction)(OSObject * target,
        !            52:                                        short      deltaAxis1,
        !            53:                                        short      deltaAxis2,
        !            54:                                        short      deltaAxis3,
        !            55:                                        AbsoluteTime ts);
        !            56: 
        !            57: /* End Action Definitions */
        !            58: 
        !            59: typedef struct
        !            60: {
        !            61:     IOFixed    deviceSpeed;
        !            62:     IOFixed    cursorSpeed;
        !            63: } IOHIAccelerationPoint;
        !            64: 
        !            65: class IOHIPointing : public IOHIDevice
        !            66: {
        !            67:     OSDeclareDefaultStructors(IOHIPointing);
        !            68: 
        !            69: private:
        !            70:     IOLock *           _deviceLock;  // Lock for all device access
        !            71:     int                        _buttonMode;  // The "handedness" of the pointer
        !            72:     IOFixed            _acceleration;
        !            73:     bool               _convertAbsoluteToRelative;
        !            74:     bool               _contactToMove;
        !            75:     bool               _hadContact;
        !            76:     Point              _previousLocation;
        !            77:     UInt8              _pressureThresholdToClick;      // A scale factor of 0 to 255 to determine how much pressure is necessary to generate a primary mouse click - a value of 255 means no click will be generated
        !            78: #define MAXMAG 128
        !            79:     int                        _scaleValues[MAXMAG];
        !            80:     IOFixed            _fractX;
        !            81:     IOFixed            _fractY;
        !            82: 
        !            83:     OSObject *                 _relativePointerEventTarget;
        !            84:     RelativePointerEventAction _relativePointerEventAction;
        !            85:     OSObject *                 _absolutePointerEventTarget;
        !            86:     AbsolutePointerEventAction _absolutePointerEventAction;
        !            87:     OSObject *                 _scrollWheelEventTarget;
        !            88:     ScrollWheelEventAction     _scrollWheelEventAction;
        !            89:     
        !            90: 
        !            91: protected:
        !            92:   virtual void dispatchRelativePointerEvent(int        dx,
        !            93:                                             int        dy,
        !            94:                                             UInt32     buttonState,
        !            95:                                             AbsoluteTime ts);
        !            96:     
        !            97:   virtual void dispatchAbsolutePointerEvent(Point *    newLoc,
        !            98:                                             Bounds *   bounds,
        !            99:                                             UInt32     buttonState,
        !           100:                                             bool       proximity,
        !           101:                                             int                pressure,
        !           102:                                             int                pressureMin,
        !           103:                                             int                pressureMax,
        !           104:                                             int                stylusAngle,
        !           105:                                             AbsoluteTime       ts);
        !           106: 
        !           107:   virtual void dispatchScrollWheelEvent(short deltaAxis1,
        !           108:                                         short deltaAxis2,
        !           109:                                         short deltaAxis3,
        !           110:                                         AbsoluteTime ts);
        !           111: 
        !           112: public:
        !           113:   virtual bool init(OSDictionary * properties = 0);
        !           114:   virtual bool start(IOService * provider);
        !           115:   virtual void free();
        !           116: 
        !           117:   virtual bool open(IOService *                client,
        !           118:                    IOOptionBits               options,
        !           119:                     RelativePointerEventAction rpeAction,
        !           120:                     AbsolutePointerEventAction apeAction,
        !           121:                     ScrollWheelEventAction     sweAction);
        !           122:   virtual void close(IOService * client, IOOptionBits );
        !           123: 
        !           124:   virtual IOHIDKind hidKind();
        !           125:   virtual bool             updateProperties( void );
        !           126:   virtual IOReturn  setParamProperties(OSDictionary * dict);
        !           127: 
        !           128: protected: // for subclasses to implement
        !           129:   virtual void accelerationTable(IOHIAccelerationPoint ** table,
        !           130:                                 IOItemCount *            numEntries);
        !           131:   virtual IOItemCount buttonCount();
        !           132:   virtual IOFixed     resolution();
        !           133: 
        !           134: private:
        !           135:   virtual bool resetPointer();
        !           136:   virtual void scalePointer(int * dxp, int * dyp);
        !           137:   virtual void setupForAcceleration(IOFixed accl);
        !           138: };
        !           139: 
        !           140: #endif /* !_IOHIPOINTING_H */

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.