1 /*

     2  * Copyright (C) 2009 Apple Inc.  All rights reserved.

     3  *

     4  * Redistribution and use in source and binary forms, with or without

     5  * modification, are permitted provided that the following conditions

     6  * are met:

     7  * 1. Redistributions of source code must retain the above copyright

     8  *    notice, this list of conditions and the following disclaimer.

     9  * 2. Redistributions in binary form must reproduce the above copyright

    10  *    notice, this list of conditions and the following disclaimer in the

    11  *    documentation and/or other materials provided with the distribution.

    12  *

    13  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY

    14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

    15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

    16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR

    17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

    18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

    19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

    20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY

    21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

    22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

    23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 

    24  */

    25 

    26 #ifndef WindowsTouch_h

    27 #define WindowsTouch_h

    28 

    29 /*

    30  * The following constants are used to determine multitouch and gesture behavior

    31  * for Windows 7. For more information, see:

    32  * http://msdn.microsoft.com/en-us/library/dd562197(VS.85).aspx

    33  */

    34 

    35 // Value used in WebViewWndProc for Gestures

    36 #define WM_GESTURE 0x0119

    37 #define WM_GESTURENOTIFY 0x011A

    38 

    39 // Gesture Information Flags

    40 #define GF_BEGIN 0x00000001

    41 #define GF_INERTIA 0x00000002

    42 #define GF_END 0x00000004

    43 

    44 // Gesture IDs

    45 #define GID_BEGIN 1

    46 #define GID_END 2

    47 #define GID_ZOOM 3

    48 #define GID_PAN 4

    49 #define GID_ROTATE 5

    50 #define GID_TWOFINGERTAP 6

    51 #define GID_PRESSANDTAP 7

    52 #define GID_ROLLOVER GID_PRESSANDTAP

    53 

    54 // Zoom Gesture Confiration Flags

    55 #define GC_ZOOM 0x00000001

    56 

    57 // Pan Gesture Configuration Flags

    58 #define GC_PAN 0x00000001

    59 #define GC_PAN_WITH_SINGLE_FINGER_VERTICALLY 0x00000002

    60 #define GC_PAN_WITH_SINGLE_FINGER_HORIZONTALLY 0x00000004

    61 #define GC_PAN_WITH_GUTTER 0x00000008

    62 #define GC_PAN_WITH_INERTIA 0x00000010

    63 

    64 // Rotate Gesture Configuration Flags

    65 #define GC_ROTATE 0x00000001

    66 

    67 // Two finger tap configuration flags

    68 #define GC_TWOFINGERTAP 0x00000001

    69 

    70 // Press and tap Configuration Flags

    71 #define GC_PRESSANDTAP 0x00000001

    72 #define GC_ROLLOVER GC_PRESSANDTAP

    73 

    74 // GESTUREINFO struct definition

    75 typedef struct tagGESTUREINFO {

    76     UINT cbSize;                    // size, in bytes, of this structure (including variable length Args field)

    77     DWORD dwFlags;                  // see GF_* flags

    78     DWORD dwID;                     // gesture ID, see GID_* defines

    79     HWND hwndTarget;                // handle to window targeted by this gesture

    80     POINTS ptsLocation;             // current location of this gesture

    81     DWORD dwInstanceID;             // internally used

    82     DWORD dwSequenceID;             // internally used

    83     ULONGLONG ullArguments;         // arguments for gestures whose arguments fit in 8 BYTES

    84     UINT cbExtraArgs;               // size, in bytes, of extra arguments, if any, that accompany this gesture

    85 } GESTUREINFO, *PGESTUREINFO;

    86 typedef GESTUREINFO const * PCGESTUREINFO;

    87 

    88 // GESTURECONFIG struct defintion

    89 typedef struct tagGESTURECONFIG {

    90     DWORD dwID;                     // gesture ID

    91     DWORD dwWant;                   // settings related to gesture ID that are to be turned on

    92     DWORD dwBlock;                  // settings related to gesture ID that are to be turned off

    93 } GESTURECONFIG, *PGESTURECONFIG;

    94 

    95 /*

    96  * Gesture notification structure

    97  *   - The WM_GESTURENOTIFY message lParam contains a pointer to this structure.

    98  *   - The WM_GESTURENOTIFY message notifies a window that gesture recognition is

    99  *     in progress and a gesture will be generated if one is recognized under the

   100  *     current gesture settings.

   101  */

   102 typedef struct tagGESTURENOTIFYSTRUCT {

   103     UINT cbSize;                    // size, in bytes, of this structure

   104     DWORD dwFlags;                  // unused

   105     HWND hwndTarget;                // handle to window targeted by the gesture

   106     POINTS ptsLocation;             // starting location

   107     DWORD dwInstanceID;             // internally used

   108 } GESTURENOTIFYSTRUCT, *PGESTURENOTIFYSTRUCT;

   109 

   110 DECLARE_HANDLE(HGESTUREINFO);

   111 

   112 #endif