// Classic Shell (c) 2009-2017, Ivo Beltchev
// Open-Shell (c) 2017-2018, The Open-Shell Team
// Confidential information of Ivo Beltchev. Not for disclosure or distribution without prior written consent from the author

#pragma once

// define some Windows 8 touch features here so we don't need the Win8 SDK
#ifndef WM_NCPOINTERUPDATE

#define WM_NCPOINTERUPDATE              0x0241
#define WM_NCPOINTERDOWN                0x0242
#define WM_NCPOINTERUP                  0x0243
#define WM_POINTERUPDATE                0x0245
#define WM_POINTERDOWN                  0x0246
#define WM_POINTERUP                    0x0247
#define WM_POINTERENTER                 0x0249
#define WM_POINTERLEAVE                 0x024A
#define WM_POINTERACTIVATE              0x024B
#define WM_POINTERCAPTURECHANGED        0x024C
#define WM_TOUCHHITTESTING              0x024D
#define WM_POINTERWHEEL                 0x024E
#define WM_POINTERHWHEEL                0x024F

/*
 * Flags that appear in pointer input message parameters
 */
#define POINTER_MESSAGE_FLAG_NEW                0x00000001 // New pointer
#define POINTER_MESSAGE_FLAG_INRANGE            0x00000002 // Pointer has not departed
#define POINTER_MESSAGE_FLAG_INCONTACT          0x00000004 // Pointer is in contact
#define POINTER_MESSAGE_FLAG_FIRSTBUTTON        0x00000010 // Primary action
#define POINTER_MESSAGE_FLAG_SECONDBUTTON       0x00000020 // Secondary action
#define POINTER_MESSAGE_FLAG_THIRDBUTTON        0x00000040 // Third button
#define POINTER_MESSAGE_FLAG_FOURTHBUTTON       0x00000080 // Fourth button
#define POINTER_MESSAGE_FLAG_FIFTHBUTTON        0x00000100 // Fifth button
#define POINTER_MESSAGE_FLAG_PRIMARY            0x00002000 // Pointer is primary
#define POINTER_MESSAGE_FLAG_CONFIDENCE         0x00004000 // Pointer is considered unlikely to be accidental
#define POINTER_MESSAGE_FLAG_CANCELED           0x00008000 // Pointer is departing in an abnormal manner

/*
 * Macros to retrieve information from pointer input message parameters
 */
#define GET_POINTERID_WPARAM(wParam)                (LOWORD(wParam))
#define IS_POINTER_FLAG_SET_WPARAM(wParam, flag)    (((DWORD)HIWORD(wParam) & (flag)) == (flag))
#define IS_POINTER_NEW_WPARAM(wParam)               IS_POINTER_FLAG_SET_WPARAM(wParam, POINTER_MESSAGE_FLAG_NEW)
#define IS_POINTER_INRANGE_WPARAM(wParam)           IS_POINTER_FLAG_SET_WPARAM(wParam, POINTER_MESSAGE_FLAG_INRANGE)
#define IS_POINTER_INCONTACT_WPARAM(wParam)         IS_POINTER_FLAG_SET_WPARAM(wParam, POINTER_MESSAGE_FLAG_INCONTACT)
#define IS_POINTER_FIRSTBUTTON_WPARAM(wParam)       IS_POINTER_FLAG_SET_WPARAM(wParam, POINTER_MESSAGE_FLAG_FIRSTBUTTON)
#define IS_POINTER_SECONDBUTTON_WPARAM(wParam)      IS_POINTER_FLAG_SET_WPARAM(wParam, POINTER_MESSAGE_FLAG_SECONDBUTTON)
#define IS_POINTER_THIRDBUTTON_WPARAM(wParam)       IS_POINTER_FLAG_SET_WPARAM(wParam, POINTER_MESSAGE_FLAG_THIRDBUTTON)
#define IS_POINTER_FOURTHBUTTON_WPARAM(wParam)      IS_POINTER_FLAG_SET_WPARAM(wParam, POINTER_MESSAGE_FLAG_FOURTHBUTTON)
#define IS_POINTER_FIFTHBUTTON_WPARAM(wParam)       IS_POINTER_FLAG_SET_WPARAM(wParam, POINTER_MESSAGE_FLAG_FIFTHBUTTON)
#define IS_POINTER_PRIMARY_WPARAM(wParam)           IS_POINTER_FLAG_SET_WPARAM(wParam, POINTER_MESSAGE_FLAG_PRIMARY)
#define HAS_POINTER_CONFIDENCE_WPARAM(wParam)       IS_POINTER_FLAG_SET_WPARAM(wParam, POINTER_MESSAGE_FLAG_CONFIDENCE)
#define IS_POINTER_CANCELED_WPARAM(wParam)          IS_POINTER_FLAG_SET_WPARAM(wParam, POINTER_MESSAGE_FLAG_CANCELED)

enum tagPOINTER_INPUT_TYPE {
    PT_POINTER  = 0x00000001,   // Generic pointer
    PT_TOUCH    = 0x00000002,   // Touch
    PT_PEN      = 0x00000003,   // Pen
    PT_MOUSE    = 0x00000004,   // Mouse
};

typedef enum tagPOINTER_BUTTON_CHANGE_TYPE {
    POINTER_CHANGE_NONE,
    POINTER_CHANGE_FIRSTBUTTON_DOWN,
    POINTER_CHANGE_FIRSTBUTTON_UP,
    POINTER_CHANGE_SECONDBUTTON_DOWN,
    POINTER_CHANGE_SECONDBUTTON_UP,
    POINTER_CHANGE_THIRDBUTTON_DOWN,
    POINTER_CHANGE_THIRDBUTTON_UP,
    POINTER_CHANGE_FOURTHBUTTON_DOWN,
    POINTER_CHANGE_FOURTHBUTTON_UP,
    POINTER_CHANGE_FIFTHBUTTON_DOWN,
    POINTER_CHANGE_FIFTHBUTTON_UP,
} POINTER_BUTTON_CHANGE_TYPE;

typedef DWORD POINTER_INPUT_TYPE;
typedef UINT32 POINTER_FLAGS;

typedef struct tagPOINTER_INFO {
    POINTER_INPUT_TYPE    pointerType;
    UINT32          pointerId;
    UINT32          frameId;
    POINTER_FLAGS   pointerFlags;
    HANDLE          sourceDevice;
    HWND            hwndTarget;
    POINT           ptPixelLocation;
    POINT           ptHimetricLocation;
    POINT           ptPixelLocationRaw;
    POINT           ptHimetricLocationRaw;
    DWORD           dwTime;
    UINT32          historyCount;
    INT32           InputData;
    DWORD           dwKeyStates;
    UINT64          PerformanceCount;
    POINTER_BUTTON_CHANGE_TYPE ButtonChangeType;
} POINTER_INFO;

typedef enum tagINPUT_MESSAGE_DEVICE_TYPE  {
     IMDT_UNAVAILABLE = 0x00000000,      // not specified
     IMDT_KEYBOARD    = 0x00000001,      // from keyboard
     IMDT_MOUSE       = 0x00000002,      // from mouse
     IMDT_TOUCH       = 0x00000004,      // from touch
     IMDT_PEN         = 0x00000008,      // from pen
 } INPUT_MESSAGE_DEVICE_TYPE;

typedef enum tagINPUT_MESSAGE_ORIGIN_ID {
     IMO_UNAVAILABLE = 0x00000000,  // not specified
     IMO_HARDWARE    = 0x00000001,  // from a hardware device or injected by a UIAccess app
     IMO_INJECTED    = 0x00000002,  // injected via SendInput() by a non-UIAccess app
     IMO_SYSTEM      = 0x00000004,  // injected by the system
} INPUT_MESSAGE_ORIGIN_ID;

/*
 * Input source structure.
 */
 typedef struct tagINPUT_MESSAGE_SOURCE {
     INPUT_MESSAGE_DEVICE_TYPE deviceType;
     INPUT_MESSAGE_ORIGIN_ID   originId;
 } INPUT_MESSAGE_SOURCE;

#endif

void InitTouchHelper( void );

BOOL GetPointerType2( UINT32 pointerId, POINTER_INPUT_TYPE *pointerType );
BOOL GetPointerCursorId2( UINT32 pointerId, UINT32 *cursorId );
BOOL GetPointerInfo2( UINT32 pointerId, POINTER_INFO *pointerInfo );

BOOL GetCurrentInputMessageSource2( INPUT_MESSAGE_SOURCE *inputMessageSource );
BOOL GetCIMSSM2( INPUT_MESSAGE_SOURCE *inputMessageSource );