Leaked source code of windows server 2003
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/****************************************************************************
* ** ZMOUSE.H -- Include file for IntelliMouse(tm) 1.0 ** ** NOTE: Zmouse.h contains #defines required when providing IntelliMouse ** wheel support for Windows95 and NT3.51. Wheel is supported ** natively in WinNT4.0, please refer to the NT4.0 SDK for more info ** on providing support for IntelliMouse in NT4.0. ** ** Copyright (c) 1983-1999, Microsoft Corp. All rights reserved. ** *\***************************************************************************/
#if _MSC_VER > 1000
#pragma once
#endif
/**************************************************************************
Client Appplication (API) Defines for Wheel rolling***************************************************************************/
// Apps need to call RegisterWindowMessage using the #define below to
// get the message number that is sent to the foreground window
// when a wheel roll occurs
#ifdef UNICODE
#define MSH_MOUSEWHEEL L"MSWHEEL_ROLLMSG"
#else
#define MSH_MOUSEWHEEL "MSWHEEL_ROLLMSG"
#endif
// wParam = wheel rotation expressed in multiples of WHEEL_DELTA
// lParam is the mouse coordinates
#define WHEEL_DELTA 120 // Default value for rolling one notch
#ifndef WM_MOUSEWHEEL
#define WM_MOUSEWHEEL (WM_MOUSELAST+1) // message that will be supported
// by the OS
#endif
/**************************************************************************
Client Appplication (API) Defines for * determining if wheel support active * determining # of Scroll Lines***************************************************************************/
// Class name for MSWHEEL.EXE's invisible window
// use FindWindow to get hwnd to MSWHEEL
#ifdef UNICODE
#define MOUSEZ_CLASSNAME L"MouseZ" // wheel window class
#define MOUSEZ_TITLE L"Magellan MSWHEEL" // wheel window title
#else
#define MOUSEZ_CLASSNAME "MouseZ" // wheel window class
#define MOUSEZ_TITLE "Magellan MSWHEEL" // wheel window title
#endif
#define MSH_WHEELMODULE_CLASS (MOUSEZ_CLASSNAME)
#define MSH_WHEELMODULE_TITLE (MOUSEZ_TITLE)
// Apps need to call RegisterWindowMessage using the #defines
// below to get the message numbers for:
// 1) the message that can be sent to the MSWHEEL window to
// query if wheel support is active (MSH_WHEELSUPPORT)>
// 2) the message to query for the number of scroll lines
// (MSH_SCROLL_LINES)
//
// To send a message to MSWheel window, use FindWindow with the #defines
// for CLASS and TITLE above. If FindWindow fails to find the MSWHEEL
// window or the return from SendMessage is false, then Wheel support
// is not currently available.
#ifdef UNICODE
#define MSH_WHEELSUPPORT L"MSH_WHEELSUPPORT_MSG" // name of msg to send
// to query for wheel support
#else
#define MSH_WHEELSUPPORT "MSH_WHEELSUPPORT_MSG" // name of msg to send
// to query for wheel support
#endif
// MSH_WHEELSUPPORT
// wParam - not used
// lParam - not used
// returns BOOL - TRUE if wheel support is active, FALSE otherwise
#ifdef UNICODE
#define MSH_SCROLL_LINES L"MSH_SCROLL_LINES_MSG"
#else
#define MSH_SCROLL_LINES "MSH_SCROLL_LINES_MSG"
#endif
// MSH_SCROLL_LINES
// wParam - not used
// lParam - not used
// returns int - number of lines to scroll on a wheel roll
#ifndef WHEEL_PAGESCROLL
#define WHEEL_PAGESCROLL (UINT_MAX) // signifies to scroll a page, also
// defined in winuser.h in the
// NT4.0 SDK
#endif
#ifndef SPI_SETWHEELSCROLLLINES
#define SPI_SETWHEELSCROLLLINES 105 // Also defined in winuser.h in the
// NT4.0 SDK, please see the NT4.0 SDK
// documentation for NT4.0 implementation
// specifics.
// For Win95 and WinNT3.51,
// Mswheel broadcasts the message
// WM_SETTINGCHANGE (equivalent to
// WM_WININICHANGE) when the scroll
// lines has changed. Applications
// will recieve the WM_SETTINGCHANGE
// message with the wParam set to
// SPI_SETWHEELSCROLLLINES. When
// this message is recieved the application
// should query Mswheel for the new
// setting.
#endif
/*********************************************************************
* INLINE FUNCTION: HwndMsWheel* Purpose : Get a reference to MSWheel Window, the registered messages,* wheel support active setting, and number of scrollLines* Params : PUINT puiMsh_MsgMouseWheel - address of UINT to contain returned registered wheel message* PUINT puiMsh_Msg3DSupport - address of UINT to contain wheel support registered message* PUINT puiMsh_MsgScrollLines - address of UINT to contain Scroll lines registered message* PBOOL pf3DSupport - address of BOOL to contain returned flag for wheel support active* PINT piScrollLines - address of int to contain returned scroll lines* Returns : HWND handle to the MsWheel window* Note : The return value for pf3DSupport and piScrollLines is dependant* on the POINT32 module. If POINT32 module is not running then* the values returned for these parameters will be* FALSE and 3, respectively.*********************************************************************/__inline HWND HwndMSWheel( PUINT puiMsh_MsgMouseWheel, PUINT puiMsh_Msg3DSupport, PUINT puiMsh_MsgScrollLines, PBOOL pf3DSupport, PINT piScrollLines){ HWND hdlMsWheel;
hdlMsWheel = FindWindow(MSH_WHEELMODULE_CLASS, MSH_WHEELMODULE_TITLE);
*puiMsh_MsgMouseWheel = RegisterWindowMessage(MSH_MOUSEWHEEL); *puiMsh_Msg3DSupport = RegisterWindowMessage(MSH_WHEELSUPPORT); *puiMsh_MsgScrollLines = RegisterWindowMessage(MSH_SCROLL_LINES);
if (*puiMsh_Msg3DSupport) *pf3DSupport = (BOOL)SendMessage(hdlMsWheel, *puiMsh_Msg3DSupport, 0, 0); else *pf3DSupport = FALSE; // default to FALSE
if (*puiMsh_MsgScrollLines) *piScrollLines = (int)SendMessage(hdlMsWheel, *puiMsh_MsgScrollLines, 0, 0); else *piScrollLines = 3; // default
return(hdlMsWheel);}
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