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