windows-nt/Source/XPSP1/NT/shell/osshell/cpls/main/mousebut.c
2020-09-26 16:20:57 +08:00

1010 lines
25 KiB
C

/*++
Copyright (c) 1994-1998, Microsoft Corporation All rights reserved.
Module Name:
mousebut.c
Abstract:
This module contains the routines for the Mouse Buttons Property Sheet
page.
Revision History:
--*/
//
// Include Files.
//
#include "main.h"
#include "util.h"
#include "rc.h"
#include "mousectl.h"
#include <regstr.h>
#include <winerror.h> // needed for ERROR_SUCCESS value
#include "mousehlp.h"
//
// Global Variables.
//
const TCHAR szYes[] = TEXT("yes");
const TCHAR szNo[] = TEXT("no");
const TCHAR szDblClkSpeed[] = TEXT("DoubleClickSpeed");
const TCHAR szRegStr_Mouse[] = REGSTR_PATH_MOUSE;
//
// Constant Declarations.
//
//
// SwapMouseButtons takes:
// TRUE to make it a right mouse
// FALSE to make it a left mouse
//
#define RIGHT TRUE
#define LEFT FALSE
#define CLICKMIN 100 // milliseconds
#define CLICKMAX 900
#define CLICKSUM (CLICKMIN + CLICKMAX)
#define CLICKRANGE (CLICKMAX - CLICKMIN)
//
// From shell\inc\shsemip.h
//
#define ARRAYSIZE(a) (sizeof(a)/sizeof(a[0]))
#define Assert(f)
//
// Typedef Declarations.
//
typedef struct tag_MouseGenStr
{
BOOL bSwap;
BOOL bOrigSwap;
short ClickSpeed;
short OrigDblClkSpeed;
HWND hWndDblClkScroll;
HWND hDlg; // HWND hMouseButDlg;
RECT OrigRect;
RECT DblClkRect;
POINT ObjectPoint;
POINT SelectPoint;
int jackstate, jackhits; // for jack-in-the-box control
int jackignore; // for jack-in-the-box control
BOOL bShellSingleClick,
bOrigShellSingleClick ;
HICON hIconSglClick,
hIconDblClick ;
} MOUSEBUTSTR, *PMOUSEBUTSTR, *LPMOUSEBUTSTR;
//
// Context Help Ids.
//
const DWORD aMouseButHelpIds[] =
{
IDC_GROUPBOX_1, IDH_COMM_GROUPBOX,
IDC_GROUPBOX_2, IDH_DLGMOUSE_HANDED_PIC,
IDC_GROUPBOX_3, IDH_DLGMOUSE_HANDED_PIC,
IDC_GROUPBOX_4, IDH_COMM_GROUPBOX,
IDC_SELECTDRAG, IDH_DLGMOUSE_HANDED_PIC,
IDC_OBJECTMENU, IDH_DLGMOUSE_HANDED_PIC,
MOUSE_LEFTHAND, IDH_DLGMOUSE_LEFT,
MOUSE_RIGHTHAND, IDH_DLGMOUSE_RIGHT,
MOUSE_SELECTBMP, IDH_DLGMOUSE_HANDED_PIC,
MOUSE_MOUSEBMP, IDH_DLGMOUSE_HANDED_PIC,
MOUSE_MENUBMP, IDH_DLGMOUSE_HANDED_PIC,
MOUSE_CLICKSCROLL, IDH_DLGMOUSE_DOUBCLICK,
IDC_GROUPBOX_5, IDH_DLGMOUSE_DCLICK_PIC,
MOUSE_DBLCLKBMP, IDH_DLGMOUSE_DCLICK_PIC,
MOUSE_SGLCLICK, IDH_MOUSE_SGLCLICK,
MOUSE_DBLCLICK, IDH_MOUSE_DBLCLICK,
0, 0
};
//
// helper function prototypes
//
void ShellClick_UpdateUI( HWND hDlg, PMOUSEBUTSTR pMstr) ;
void ShellClick_Refresh( PMOUSEBUTSTR pMstr ) ;
//
// Debug Info.
//
#ifdef DEBUG
#define REG_INTEGER 1000
int fTraceRegAccess = 0;
void RegDetails(
int iWrite,
HKEY hk,
LPCTSTR lpszSubKey,
LPCTSTR lpszValueName,
DWORD dwType,
LPTSTR lpszString,
int iValue)
{
TCHAR Buff[256];
TCHAR *lpszReadWrite[] = { TEXT("DESK.CPL:Read"), TEXT("DESK.CPL:Write") };
if (!fTraceRegAccess)
{
return;
}
switch (dwType)
{
case ( REG_SZ ) :
{
wsprintf( Buff,
TEXT("%s String:hk=%#08lx, %s:%s=%s\n\r"),
lpszReadWrite[iWrite],
hk,
lpszSubKey,
lpszValueName,
lpszString );
break;
}
case ( REG_INTEGER ) :
{
wsprintf( Buff,
TEXT("%s int:hk=%#08lx, %s:%s=%d\n\r"),
lpszReadWrite[iWrite],
hk,
lpszSubKey,
lpszValueName,
iValue );
break;
}
case ( REG_BINARY ) :
{
wsprintf( Buff,
TEXT("%s Binary:hk=%#08lx, %s:%s=%#0lx;DataSize:%d\r\n"),
lpszReadWrite[iWrite],
hk,
lpszSubKey,
lpszValueName,
lpszString,
iValue );
break;
}
}
OutputDebugString(Buff);
}
#endif // DEBUG
////////////////////////////////////////////////////////////////////////////
//
// GetIntFromSubKey
//
// hKey is the handle to the subkey (already pointing to the proper
// location.
//
////////////////////////////////////////////////////////////////////////////
int GetIntFromSubkey(
HKEY hKey,
LPCTSTR lpszValueName,
int iDefault)
{
TCHAR szValue[20];
DWORD dwSizeofValueBuff = sizeof(szValue);
DWORD dwType;
int iRetValue = iDefault;
if ((RegQueryValueEx( hKey,
(LPTSTR)lpszValueName,
NULL,
&dwType,
(LPBYTE)szValue,
&dwSizeofValueBuff ) == ERROR_SUCCESS) &&
(dwSizeofValueBuff))
{
//
// BOGUS: This handles only the string type entries now!
//
if (dwType == REG_SZ)
{
iRetValue = (int)StrToLong(szValue);
}
#ifdef DEBUG
else
{
OutputDebugString(TEXT("String type expected from Registry\n\r"));
}
#endif
}
#ifdef DEBUG
RegDetails(0, hKey, TEXT(""), lpszValueName, REG_INTEGER, NULL, iRetValue);
#endif
return (iRetValue);
}
////////////////////////////////////////////////////////////////////////////
//
// GetIntFromReg
//
// Opens the given subkey and gets the int value.
//
////////////////////////////////////////////////////////////////////////////
int GetIntFromReg(
HKEY hKey,
LPCTSTR lpszSubkey,
LPCTSTR lpszNameValue,
int iDefault)
{
HKEY hk;
int iRetValue = iDefault;
//
// See if the key is present.
//
if (RegOpenKey(hKey, lpszSubkey, &hk) == ERROR_SUCCESS)
{
iRetValue = GetIntFromSubkey(hk, lpszNameValue, iDefault);
RegCloseKey(hk);
}
return (iRetValue);
}
////////////////////////////////////////////////////////////////////////////
//
// GetStringFromReg
//
// Opens the given subkey and gets the string value.
//
////////////////////////////////////////////////////////////////////////////
BOOL GetStringFromReg(
HKEY hKey,
LPCTSTR lpszSubkey,
LPCTSTR lpszValueName,
LPCTSTR lpszDefault,
LPTSTR lpszValue,
DWORD dwSizeofValueBuff)
{
HKEY hk;
DWORD dwType;
BOOL fSuccess = FALSE;
//
// See if the key is present.
//
if (RegOpenKey(hKey, lpszSubkey, &hk) == ERROR_SUCCESS)
{
if ((RegQueryValueEx( hk,
(LPTSTR)lpszValueName,
NULL,
&dwType,
(LPBYTE)lpszValue,
&dwSizeofValueBuff ) == ERROR_SUCCESS) &&
(dwSizeofValueBuff))
{
//
// BOGUS: This handles only the string type entries now!
//
#ifdef DEBUG
if (dwType != REG_SZ)
{
OutputDebugString(TEXT("String type expected from Registry\n\r"));
}
else
#endif
fSuccess = TRUE;
}
RegCloseKey(hk);
}
//
// If failure, use the default string.
//
if (!fSuccess)
{
lstrcpy(lpszValue, lpszDefault);
}
#ifdef DEBUG
RegDetails(0, hKey, lpszSubkey, lpszValueName, REG_SZ, lpszValue, 0);
#endif
return (fSuccess);
}
////////////////////////////////////////////////////////////////////////////
//
// UpdateRegistry
//
// This updates a given value of any data type at a given location in
// the registry.
//
// The value name is passed in as an Id to a string in USER's String
// table.
//
////////////////////////////////////////////////////////////////////////////
BOOL UpdateRegistry(
HKEY hKey,
LPCTSTR lpszSubkey,
LPCTSTR lpszValueName,
DWORD dwDataType,
LPVOID lpvData,
DWORD dwDataSize)
{
HKEY hk;
if (RegCreateKey(hKey, lpszSubkey, &hk) == ERROR_SUCCESS)
{
RegSetValueEx( hk,
(LPTSTR)lpszValueName,
0,
dwDataType,
(LPBYTE)lpvData,
dwDataSize );
#ifdef DEBUG
RegDetails(1, hKey, lpszSubkey, lpszValueName, dwDataType, lpvData, (int)dwDataSize);
#endif
RegCloseKey(hk);
return (TRUE);
}
return (FALSE);
}
////////////////////////////////////////////////////////////////////////////
//
// ShowButtonState
//
// Swaps the menu and selection bitmaps.
//
////////////////////////////////////////////////////////////////////////////
void ShowButtonState(
PMOUSEBUTSTR pMstr)
{
HWND hDlg;
Assert(pMstr);
hDlg = pMstr->hDlg;
MouseControlSetSwap(GetDlgItem(hDlg, MOUSE_MOUSEBMP), pMstr->bSwap);
SetWindowPos( GetDlgItem(hDlg, pMstr->bSwap ? IDC_SELECTDRAG : IDC_OBJECTMENU),
NULL,
pMstr->ObjectPoint.x,
pMstr->ObjectPoint.y,
0,
0,
SWP_NOACTIVATE | SWP_NOSIZE | SWP_NOZORDER );
SetWindowPos( GetDlgItem(hDlg, !pMstr->bSwap ? IDC_SELECTDRAG : IDC_OBJECTMENU),
NULL,
pMstr->SelectPoint.x,
pMstr->SelectPoint.y,
0,
0,
SWP_NOACTIVATE | SWP_NOSIZE | SWP_NOZORDER );
CheckDlgButton(hDlg, MOUSE_RIGHTHAND, !pMstr->bSwap);
CheckDlgButton(hDlg, MOUSE_LEFTHAND, pMstr->bSwap);
CheckDlgButton(hDlg, MOUSE_SGLCLICK, pMstr->bShellSingleClick);
CheckDlgButton(hDlg, MOUSE_DBLCLICK, !pMstr->bShellSingleClick);
}
////////////////////////////////////////////////////////////////////////////
//
// DestroyMouseButDlg
//
////////////////////////////////////////////////////////////////////////////
#define SAFE_DESTROYICON(hicon) if (hicon) { DestroyIcon(hicon); hicon=NULL; }
void DestroyMouseButDlg(
PMOUSEBUTSTR pMstr)
{
if (pMstr)
{
SAFE_DESTROYICON( pMstr->hIconSglClick ) ;
SAFE_DESTROYICON( pMstr->hIconDblClick )
SetWindowLongPtr(pMstr->hDlg, DWLP_USER, 0);
LocalFree((HGLOBAL)pMstr);
}
}
////////////////////////////////////////////////////////////////////////////
//
// Jack stuff -- code to manage the jack-in-the-box double-click testbox.
//
////////////////////////////////////////////////////////////////////////////
typedef struct
{
int first; // first frame of state
int last; // last frame of state
int repeat; // state's repeat count
} JACKSTATE;
#define JACK_OPPOSITE_STATE (-2)
#define JACK_NEXT_STATE (-1)
#define JACK_CRANKING ( 0)
#define JACK_OPENING ( 1)
#define JACK_BOUNCING ( 2)
#define JACK_CLOSING ( 3)
//
// NOTE: Every state starts with a key frame in the AVI file.
//
JACKSTATE JackFSA[] =
{
{ 0, 7, -1 }, // cranking
{ 8, 12, 1 }, // opening
{ 16, 23, -1 }, // bouncing
{ 24, 27, 1 }, // closing
};
#define JACK_NUM_STATES (sizeof(JackFSA) / sizeof(JACKSTATE))
////////////////////////////////////////////////////////////////////////////
//
// JackSetState
//
////////////////////////////////////////////////////////////////////////////
void JackSetState(
HWND dlg,
PMOUSEBUTSTR mstr,
int index)
{
JACKSTATE *state;
switch (index)
{
case ( JACK_OPPOSITE_STATE ) :
{
mstr->jackstate++;
// fall thru...
}
case ( JACK_NEXT_STATE ) :
{
index = mstr->jackstate + 1;
}
}
index %= JACK_NUM_STATES;
state = JackFSA + index;
mstr->jackstate = index;
mstr->jackignore++;
Animate_Play( GetDlgItem(dlg, MOUSE_DBLCLKBMP),
state->first,
state->last,
state->repeat );
}
////////////////////////////////////////////////////////////////////////////
//
// JackClicked
//
////////////////////////////////////////////////////////////////////////////
void JackClicked(
HWND dlg,
PMOUSEBUTSTR mstr)
{
JACKSTATE *state = JackFSA + mstr->jackstate;
if (state->repeat < 0)
{
JackSetState(dlg, mstr, JACK_NEXT_STATE);
}
else
{
mstr->jackhits++;
}
}
////////////////////////////////////////////////////////////////////////////
//
// JackStopped
//
////////////////////////////////////////////////////////////////////////////
void JackStopped(
HWND dlg,
PMOUSEBUTSTR mstr)
{
if (--mstr->jackignore < 0)
{
JACKSTATE *state = JackFSA + mstr->jackstate;
if (state->repeat > 0)
{
int index;
if (mstr->jackhits)
{
mstr->jackhits--;
index = JACK_OPPOSITE_STATE;
}
else
{
index = JACK_NEXT_STATE;
}
JackSetState(dlg, mstr, index);
}
}
}
////////////////////////////////////////////////////////////////////////////
//
// JackStart
//
////////////////////////////////////////////////////////////////////////////
void JackStart(
HWND dlg,
PMOUSEBUTSTR mstr)
{
mstr->jackhits = 0;
mstr->jackstate = 0;
mstr->jackignore = -1;
Animate_Open( GetDlgItem(dlg, MOUSE_DBLCLKBMP),
MAKEINTRESOURCE(IDA_JACKNBOX) );
JackSetState(dlg, mstr, JACK_CRANKING);
}
////////////////////////////////////////////////////////////////////////////
//
// InitMouseButDlg
//
////////////////////////////////////////////////////////////////////////////
BOOL InitMouseButDlg(
HWND hDlg)
{
POINT Origin;
SHELLSTATE shellstate = {0} ;
PMOUSEBUTSTR pMstr;
RECT TmpRect;
HINSTANCE hInstDlg = (HINSTANCE)GetWindowLongPtr( hDlg, GWLP_HINSTANCE ) ;
pMstr = (PMOUSEBUTSTR)LocalAlloc(LPTR , sizeof(MOUSEBUTSTR));
if (pMstr == NULL)
{
return (TRUE);
}
SetWindowLongPtr(hDlg, DWLP_USER, (LONG_PTR)pMstr);
pMstr->hDlg = hDlg;
Origin.x = Origin.y = 0;
ClientToScreen(hDlg, (LPPOINT)&Origin);
GetWindowRect(hDlg, &pMstr->OrigRect);
pMstr->OrigRect.left -= Origin.x;
pMstr->OrigRect.right -= Origin.x;
GetWindowRect(GetDlgItem(hDlg, MOUSE_DBLCLKBMP), &pMstr->DblClkRect);
pMstr->DblClkRect.top -= Origin.y;
pMstr->DblClkRect.bottom -= Origin.y;
pMstr->DblClkRect.left -= Origin.x;
pMstr->DblClkRect.right -= Origin.x;
//
// Find position of Select and Object windows.
//
GetWindowRect(GetDlgItem(hDlg, IDC_SELECTDRAG), &TmpRect);
ScreenToClient(hDlg, (POINT *)&TmpRect);
pMstr->SelectPoint.x = TmpRect.left;
pMstr->SelectPoint.y = TmpRect.top;
GetWindowRect(GetDlgItem(hDlg, IDC_OBJECTMENU), &TmpRect);
ScreenToClient(hDlg, (POINT *)&TmpRect);
pMstr->ObjectPoint.x = TmpRect.left;
pMstr->ObjectPoint.y = TmpRect.top;
//
// Set (and get), then restore the state of the mouse buttons.
//
(pMstr->bOrigSwap) = (pMstr->bSwap) = SwapMouseButton(TRUE);
SwapMouseButton(pMstr->bOrigSwap);
//
// Get shell single-click behavior:
//
SHGetSetSettings( &shellstate, SSF_DOUBLECLICKINWEBVIEW | SSF_WIN95CLASSIC, FALSE /*get*/ ) ;
pMstr->bShellSingleClick =
pMstr->bOrigShellSingleClick = shellstate.fWin95Classic ? FALSE :
shellstate.fDoubleClickInWebView ? FALSE :
TRUE ;
pMstr->hIconSglClick = LoadIcon( hInstDlg, MAKEINTRESOURCE( IDI_SGLCLICK ) ) ;
pMstr->hIconDblClick = LoadIcon( hInstDlg, MAKEINTRESOURCE( IDI_DBLCLICK ) ) ;
ShellClick_UpdateUI( hDlg, pMstr ) ;
//
// Initialize check/radio button state
//
ShowButtonState(pMstr);
pMstr->OrigDblClkSpeed =
pMstr->ClickSpeed = (SHORT) GetIntFromReg( HKEY_CURRENT_USER,
szRegStr_Mouse,
szDblClkSpeed,
CLICKMIN + (CLICKRANGE / 2) );
pMstr->hWndDblClkScroll = GetDlgItem(hDlg, MOUSE_CLICKSCROLL);
SendMessage( pMstr->hWndDblClkScroll,
TBM_SETRANGE,
0,
MAKELONG(CLICKMIN, CLICKMAX) );
SendMessage( pMstr->hWndDblClkScroll,
TBM_SETPOS,
TRUE,
(LONG)(CLICKMIN + CLICKMAX - pMstr->ClickSpeed) );
SetDoubleClickTime(pMstr->ClickSpeed);
JackStart(hDlg, pMstr);
return (TRUE);
}
////////////////////////////////////////////////////////////////////////////
//
// MouseButDlg
//
////////////////////////////////////////////////////////////////////////////
INT_PTR CALLBACK MouseButDlg(
HWND hDlg,
UINT message,
WPARAM wParam,
LPARAM lParam)
{
PMOUSEBUTSTR pMstr = (PMOUSEBUTSTR)GetWindowLongPtr(hDlg, DWLP_USER);
switch (message)
{
case ( WM_INITDIALOG ) :
{
return (InitMouseButDlg(hDlg));
}
case ( WM_DESTROY ) :
{
DestroyMouseButDlg(pMstr);
break;
}
case ( WM_HSCROLL ) :
{
if ((HWND)lParam == pMstr->hWndDblClkScroll)
{
short temp = CLICKMIN + CLICKMAX -
(short)SendMessage( (HWND)lParam,
TBM_GETPOS,
0,
0L );
if (temp != pMstr->ClickSpeed)
{
pMstr->ClickSpeed = temp;
SetDoubleClickTime(pMstr->ClickSpeed);
SendMessage(GetParent(hDlg), PSM_CHANGED, (WPARAM)hDlg, 0L);
}
}
break;
}
case ( WM_RBUTTONDBLCLK ) :
case ( WM_LBUTTONDBLCLK ) :
{
POINT point = { (int)MAKEPOINTS(lParam).x,
(int)MAKEPOINTS(lParam).y };
if (PtInRect(&pMstr->DblClkRect, point))
{
JackClicked(hDlg, pMstr);
}
break;
}
case ( WM_COMMAND ) :
{
switch (LOWORD(wParam))
{
case ( MOUSE_LEFTHAND ) :
{
if (pMstr->bSwap != RIGHT)
{
SendMessage(GetParent(hDlg), PSM_CHANGED, (WPARAM)hDlg, 0L);
pMstr->bSwap = RIGHT;
ShowButtonState(pMstr);
}
break;
}
case ( MOUSE_RIGHTHAND ) :
{
if (pMstr->bSwap != LEFT)
{
SendMessage(GetParent(hDlg), PSM_CHANGED, (WPARAM)hDlg, 0L);
pMstr->bSwap = LEFT;
ShowButtonState(pMstr);
}
break;
}
case ( MOUSE_DBLCLKBMP ) :
{
if (HIWORD(wParam) == ACN_STOP)
{
JackStopped(hDlg, pMstr);
}
break;
}
case ( MOUSE_SGLCLICK ) :
case ( MOUSE_DBLCLICK ) :
{
if( pMstr->bShellSingleClick != (MOUSE_SGLCLICK == LOWORD(wParam)) )
{
pMstr->bShellSingleClick = (MOUSE_SGLCLICK == LOWORD(wParam)) ;
ShellClick_UpdateUI( hDlg, pMstr ) ;
SendMessage( GetParent(hDlg), PSM_CHANGED, (WPARAM)hDlg, 0L ) ;
}
break ;
}
}
break;
}
case ( WM_NOTIFY ) :
{
switch (((NMHDR *)lParam)->code)
{
case ( PSN_APPLY ) :
{
HourGlass(TRUE);
if (pMstr->bSwap != pMstr->bOrigSwap)
{
SystemParametersInfo( SPI_SETMOUSEBUTTONSWAP,
pMstr->bSwap,
NULL,
SPIF_UPDATEINIFILE |
SPIF_SENDWININICHANGE );
pMstr->bOrigSwap = pMstr->bSwap;
}
if (pMstr->ClickSpeed != pMstr->OrigDblClkSpeed)
{
SystemParametersInfo( SPI_SETDOUBLECLICKTIME,
pMstr->ClickSpeed,
NULL,
SPIF_UPDATEINIFILE |
SPIF_SENDWININICHANGE );
pMstr->OrigDblClkSpeed = pMstr->ClickSpeed;
}
if( pMstr->bOrigShellSingleClick != pMstr->bShellSingleClick )
{
SHELLSTATE shellstate = {0} ;
ULONG dwFlags = SSF_DOUBLECLICKINWEBVIEW ;
shellstate.fWin95Classic =
shellstate.fDoubleClickInWebView = !pMstr->bShellSingleClick ;
// update the WIN95CLASSIC member only if we've chosen single-click.
if( pMstr->bShellSingleClick )
dwFlags |= SSF_WIN95CLASSIC ;
SHGetSetSettings( &shellstate, dwFlags, TRUE ) ;
ShellClick_Refresh( pMstr ) ;
pMstr->bOrigShellSingleClick = pMstr->bShellSingleClick ;
}
HourGlass(FALSE);
break;
}
case ( PSN_RESET ) :
{
SetDoubleClickTime(pMstr->OrigDblClkSpeed);
break;
}
default :
{
return (FALSE);
}
}
break;
}
case ( WM_HELP ) : // F1
{
WinHelp( ((LPHELPINFO)lParam)->hItemHandle,
HELP_FILE,
HELP_WM_HELP,
(DWORD_PTR)(LPTSTR)aMouseButHelpIds );
break;
}
case ( WM_CONTEXTMENU ) : // right mouse click
{
WinHelp( (HWND) wParam,
HELP_FILE,
HELP_CONTEXTMENU,
(DWORD_PTR)(LPTSTR)aMouseButHelpIds );
break;
}
case ( WM_DISPLAYCHANGE ) :
case ( WM_WININICHANGE ) :
case ( WM_SYSCOLORCHANGE ) :
{
SHPropagateMessage(hDlg, message, wParam, lParam, TRUE);
return TRUE;
}
default :
{
return (FALSE);
}
}
return (TRUE);
}
////////////////////////////////////////////////////////////////////////////
//
// ShellClick_UpdateUI
//
// Assigns the appropriate icon for shell single/double click
//
////////////////////////////////////////////////////////////////////////////
void ShellClick_UpdateUI(
HWND hDlg,
PMOUSEBUTSTR pMstr)
{
HICON hicon = pMstr->bShellSingleClick ? pMstr->hIconSglClick :
pMstr->hIconDblClick ;
SendMessage( GetDlgItem( hDlg, MOUSE_CLICKICON ), STM_SETICON,
(WPARAM)hicon, 0L ) ;
}
////////////////////////////////////////////////////////////////////////////
//
// IsShellWindow
//
// Determines whether the specified window is a shell folder window.
//
////////////////////////////////////////////////////////////////////////////
#define c_szExploreClass TEXT("ExploreWClass")
#define c_szIExploreClass TEXT("IEFrame")
#ifdef IE3CLASSNAME
#define c_szCabinetClass TEXT("IEFrame")
#else
#define c_szCabinetClass TEXT("CabinetWClass")
#endif
BOOL IsShellWindow( HWND hwnd )
{
TCHAR szClass[32];
GetClassName(hwnd, szClass, ARRAYSIZE(szClass));
return (lstrcmp(szClass, c_szCabinetClass) == 0) ||
(lstrcmp(szClass, c_szExploreClass) == 0) ||
(lstrcmp(szClass, c_szIExploreClass) == 0) ;
}
//The following value is taken from shdocvw\rcids.h
#ifndef FCIDM_REFRESH
#define FCIDM_REFRESH 0xA220
#endif // FCIDM_REFRESH
////////////////////////////////////////////////////////////////////////////
//
// ShellClick_RefreshEnumProc
//
// EnumWindow callback for shell refresh.
//
////////////////////////////////////////////////////////////////////////////
BOOL CALLBACK ShellClick_RefreshEnumProc( HWND hwnd, LPARAM lParam )
{
if( IsShellWindow(hwnd) )
PostMessage(hwnd, WM_COMMAND, FCIDM_REFRESH, 0L);
return(TRUE);
}
////////////////////////////////////////////////////////////////////////////
//
// ShellClick_Refresh
//
// Re-renders the contents of all shell folder windows.
//
////////////////////////////////////////////////////////////////////////////
void ShellClick_Refresh( PMOUSEBUTSTR pMstr )
{
HWND hwndDesktop = FindWindowEx(NULL, NULL, TEXT(STR_DESKTOPCLASS), NULL);
if( NULL != hwndDesktop )
PostMessage( hwndDesktop, WM_COMMAND, FCIDM_REFRESH, 0L );
EnumWindows( ShellClick_RefreshEnumProc, 0L ) ;
}