1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
|
/****************************************************************************
* *
* 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) 1983-1996, Microsoft Corp. All rights reserved. *
* *
\***************************************************************************/
/**************************************************************************
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);
}
|
