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/****************************** Module Header ******************************\
* Module Name: access.h** Copyright (c) 1985 - 1999, Microsoft Corporation** Typedefs, defines, and prototypes that are used by the accessibility* routines and the various routines that call them (input routines and* SystemParametersInfo).** History:* 11 Feb 93 GregoryW Created\***************************************************************************/
#ifndef _ACCESS_
#define _ACCESS_
/*
* Main accessibility routine entry points. */typedef BOOL (* ACCESSIBILITYPROC)(PKE, ULONG, int);
BOOL FilterKeys(PKE, ULONG, int);BOOL xxxStickyKeys(PKE, ULONG, int);BOOL MouseKeys(PKE, ULONG, int);BOOL ToggleKeys(PKE, ULONG, int);BOOL HighContrastHotKey(PKE, ULONG, int);BOOL UtilityManager(PKE, ULONG, int);
BOOL AccessProceduresStream(PKE, ULONG, int);VOID SetAccessEnabledFlag(VOID);VOID StopFilterKeysTimers(VOID);
/*
* Sound support. */typedef BOOL (* BEEPPROC)(void);
BOOL HighBeep(void);BOOL LowBeep(void);BOOL KeyClick(void);BOOL UpSiren(void);BOOL DownSiren(void);BOOL DoBeep(BEEPPROC BeepProc, UINT Count);
/*
* Macros for dwFlags support */#define TEST_ACCESSFLAG(s, f) TEST_FLAG(g##s.dwFlags, f)
#define TEST_BOOL_ACCESSFLAG(s, f) TEST_BOOL_FLAG(g##s.dwFlags, f)
#define SET_ACCESSFLAG(s, f) SET_FLAG(g##s.dwFlags, f)
#define CLEAR_ACCESSFLAG(s, f) CLEAR_FLAG(g##s.dwFlags, f)
#define SET_OR_CLEAR_ACCESSFLAG(s, f, fSet) SET_OR_CLEAR_FLAG(g##s.dwFlags, f, fSet)
#define TOGGLE_ACCESSFLAG(s, f) TOGGLE_FLAG(g##s.dwFlags, f)
#define RIGHTSHIFTBIT 0x2
#define ONLYRIGHTSHIFTDOWN(state) ((state) == RIGHTSHIFTBIT)
#define FKFIRSTWARNINGTIME 4000
#define FKACTIVATIONDELTA 4000
#define FKEMERGENCY1DELTA 4000
#define FKEMERGENCY2DELTA 4000
//
// Warning: do not change the ordering of these.
//
#define FKIDLE 0
#define FKFIRSTWARNING 1
#define FKTOGGLE 2
#define FKFIRSTLEVELEMERGENCY 3
#define FKSECONDLEVELEMERGENCY 4
#define FKMOUSEMOVE 8
/*
* StickyKeys support. */#define TOGGLE_STICKYKEYS_COUNT 5
#define UNION(x, y) ((x) | (y))
#define LEFTSHIFTKEY(key) (((key) & 0xff) == VK_LSHIFT)
#define RIGHTSHIFTKEY(key) (((key) & 0xff) == VK_RSHIFT)
#define LEFTORRIGHTSHIFTKEY(key) (LEFTSHIFTKEY(key) || RIGHTSHIFTKEY(key))
BOOL xxxTwoKeysDown(int);VOID SetGlobalCursorLevel(INT iCursorLevel);VOID xxxUpdateModifierState(int, int);VOID xxxTurnOffStickyKeys(VOID);VOID xxxHardwareMouseKeyUp(DWORD);
/*
* ToggleKeys support. */#define TOGGLEKEYTOGGLETIME 5000
/*
* MouseKeys support. */
//
// Parameter Constants for xxxButtonEvent()
//
#define MOUSE_BUTTON_LEFT 0x0001
#define MOUSE_BUTTON_RIGHT 0x0002
#define MOUSEKEYMODBITS 0x11
#define LRALT 0x30
#define LRCONTROL 0x0c
#define LRSHIFT 0x03
#define LRWIN 0xc0
#define VK_U 0x55
//
// Mouse cursor movement data.
//
#define MK_UP 0xFF00
#define MK_DOWN 0x0100
#define MK_RIGHT 0x0001
#define MK_LEFT 0x00FF
#define MOUSETIMERRATE 50
#define MOUSETICKS (1000 / MOUSETIMERRATE)
/*
* Factor for high-speed movement. */#define MK_CONTROL_SPEED 4
/*
* Valid ranges and default values. */#define MAXSPEED_MIN (10)
#define MAXSPEED_MAX (360)
#define MAXSPEED_DEF (40)
#define TIMETOMAXSPEED_MIN (1000)
#define TIMETOMAXSPEED_MAX (5000)
#define TIMETOMAXSPEED_DEF (3000)
typedef BOOL (* MOUSEPROC)(USHORT);
VOID TurnOffMouseKeys(VOID);BOOL xxxMKButtonClick(USHORT);BOOL xxxMKMouseMove(USHORT);BOOL xxxMKButtonSetState(USHORT);BOOL MKButtonSelect(USHORT);BOOL xxxMKButtonDoubleClick(USHORT);BOOL xxxMKToggleMouseKeys(USHORT);VOID MKShowMouseCursor(VOID);VOID MKHideMouseCursor(VOID);VOID CalculateMouseTable(VOID);
/*
* TimeOut support. */VOID AccessTimeOutReset(VOID);VOID xxxAccessTimeOutTimer(PWND, UINT, UINT_PTR, LPARAM);
/*
* SoundSentry support. */BOOL _UserSoundSentryWorker(VOID);
#endif // !_ACCESS_
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