iokit/IOKit/hidsystem/IOHITablet.h

   1 /*
   2  * Copyright (c) 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 _IOHITABLET_H
  23 #define _IOHITABLET_H
  24
  25 #include <IOKit/hidsystem/IOHIPointing.h>
  26 #include <IOKit/hidsystem/IOLLEvent.h>
  27
  28 class IOHITabletPointer;
  29
  30 #define kIOHIVendorID           "VendorID"
  31 #define kIOHISystemTabletID     "SystemTabletID"
  32 #define kIOHIVendorTabletID     "VendorTabletID"
  33
  34 typedef void (*TabletEventAction)(OSObject              *target,
  35                                   NXEventData   *tabletData,    // Do we want to parameterize this?
  36                                   AbsoluteTime ts);
  37
  38 typedef void (*ProximityEventAction)(OSObject           *target,
  39                                      NXEventData        *proximityData, // or this?
  40                                      AbsoluteTime ts);
  41
  42 class IOHITablet : public IOHIPointing
  43 {
  44     OSDeclareDefaultStructors(IOHITablet);
  45
  46 public:
  47     UInt16              _systemTabletID;
  48
  49 private:
  50     OSObject *                          _tabletEventTarget;
  51     TabletEventAction           _tabletEventAction;
  52     OSObject *                          _proximityEventTarget;
  53     ProximityEventAction        _proximityEventAction;
  54
  55 protected:
  56     virtual void dispatchTabletEvent(NXEventData *tabletEvent,
  57                                      AbsoluteTime ts);
  58
  59     virtual void dispatchProximityEvent(NXEventData *proximityEvent,
  60                                         AbsoluteTime ts);
  61
  62     virtual bool startTabletPointer(IOHITabletPointer *pointer, OSDictionary *properties);
  63
  64 public:
  65     static UInt16 generateTabletID();
  66
  67     virtual bool init(OSDictionary * propTable);
  68     virtual bool open(IOService *       client,
  69                       IOOptionBits      options,
  70                       RelativePointerEventAction        rpeAction,
  71                       AbsolutePointerEventAction        apeAction,
  72                       ScrollWheelEventAction            sweAction,
  73                       TabletEventAction                 tabletAction,
  74                       ProximityEventAction              proximityAction);
  75
  76 };
  77
  78 #endif /* !_IOHITABLET_H */