Leaked source code of windows server 2003
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/*******************************************************************************
*
* Copyright 1999 American Power Conversion, All Rights Reserved
*
* TITLE: UPSSELECT.C
*
* VERSION: 1.0
*
* AUTHOR: SteveT
*
* DATE: 07 June, 1999
*
* DESCRIPTION: This file contains all of the functions that support the
* UPS Type Selection dialog.
*******************************************************************************/
#include "upstab.h"
//#include "..\powercfg.h"
#include "..\pwrresid.h"
#include "..\PwrMn_cs.h"
/*
* forward declarations
*/
void initUPSSelectDlg(HWND hDlg, UINT uMsg, WPARAM wParam, LPARAM lParam);
void updateVendorList(HWND hDlg) ;
void updateModelList(HWND hDlg) ;
void updatePortList(HWND hDlg) ;
void handleVendorList(HWND hDlg, UINT uMsg, WPARAM wParam, LPARAM lParam) ;
void handleModelList(HWND hDlg, UINT uMsg, WPARAM wParam, LPARAM lParam);
void handlePortList(HWND hDlg, UINT uMsg, WPARAM wParam, LPARAM lParam) ;
void setServiceData(HWND hDlg);
void configPortList(HWND hDlg);
void configModelList(HWND hDlg);
void configFinishButton(HWND hDlg);
BOOL processUPSSelectCtrls(HWND hDlg, UINT uMsg, WPARAM wParam, LPARAM lParam);
/*
* local allocations
*/
static TCHAR g_szCurrentVendor[MAX_PATH] = _T("");
static TCHAR g_szCurrentModel[MAX_PATH] = _T("");
static TCHAR g_szCurrentPort[MAX_PATH] = _T("");
static TCHAR g_szCurrentServiceDLL[MAX_PATH]= _T("");
static DWORD g_dwCurrentOptions = UPS_DEFAULT_SIGMASK;
static DWORD g_dwCurrentCustomOptions = UPS_DEFAULT_SIGMASK;
static struct _customData g_CustomData = { g_szCurrentPort, &g_dwCurrentCustomOptions};
static TCHAR g_szNoUPSVendor[MAX_PATH] = _T("");
static TCHAR g_szOtherUPSVendor[MAX_PATH] = _T("");
static TCHAR g_szCustomUPSModel[MAX_PATH] = _T("");
static TCHAR g_szCOMPortPrefix[MAX_PATH] = _T("");
static const DWORD g_UPSSelectHelpIDs[] =
{
IDC_VENDOR_TEXT,idh_select_manufacturer,
IDC_VENDOR_LIST,idh_select_manufacturer,
IDC_MODEL_TEXT,idh_select_model,
IDC_MODEL_LIST,idh_select_model,
IDC_PORT_TEXT,idh_on_port,
IDC_PORT_LIST,idh_on_port,
IDB_SELECT_FINISH,idh_finish,
IDB_SELECT_NEXT,idh_next,
0,0
};
/*
* define the possible "states" of the controls.
* these states are set whenever a control is altered,
* and are generally used to speed up processing by
* basing decisions on states rather than having to
* continually query controls to find out what they're
* displaying.
*/
static enum _vendorStates {eVendorUnknown, eVendorSelected, eVendorGeneric, eVendorNone} g_vendorState;
static enum _modelStates {eModelUnknown, eModelSelected, eModelCustom} g_modelState;
static enum _portStates {ePortUnknown, ePortSelected} g_portState;
static enum _finishStates {eFinish, eNext} g_finishButtonState;
/*
* Load all used values here
*/
void getUPSConfigValues()
{
GetUPSConfigVendor(g_szCurrentVendor, MAX_PATH);
GetUPSConfigModel(g_szCurrentModel, MAX_PATH);
GetUPSConfigPort(g_szCurrentPort, MAX_PATH);
GetUPSConfigOptions( &g_dwCurrentOptions);
GetUPSConfigCustomOptions( &g_dwCurrentCustomOptions);
GetUPSConfigServiceDLL(g_szCurrentServiceDLL, MAX_PATH);
}
/*
* Save all used values here
*/
void setUPSConfigValues()
{
SetUPSConfigVendor( g_szCurrentVendor);
SetUPSConfigModel( g_szCurrentModel);
SetUPSConfigPort( g_szCurrentPort);
SetUPSConfigOptions( g_dwCurrentOptions);
SetUPSConfigCustomOptions( g_dwCurrentCustomOptions);
SetUPSConfigServiceDLL( g_szCurrentServiceDLL);
AddActiveDataState(SERVICE_DATA_CHANGE);
EnableApplyButton();
}
/*
* BOOL CALLBACK UPSSelectDlgProc (HWND hDlg,
* UINT uMsg,
* WPARAM wParam,
* LPARAM lParam);
*
* Description: This is a standard DialogProc associated with the UPS select dialog
*
* Additional Information: See help on DialogProc
*
* Parameters:
*
* HWND hDlg :- Handle to dialog box
*
* UINT uMsg :- message ID
*
* WPARAM wParam :- Specifies additional message-specific information.
*
* LPARAM lParam :- Specifies additional message-specific information.
*
* Return Value: Except in response to the WM_INITDIALOG message, the dialog
* box procedure should return nonzero if it processes the
* message, and zero if it does not.
*/
INT_PTR CALLBACK UPSSelectDlgProc( HWND hDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
BOOL bRes = TRUE;
switch (uMsg)
{
case WM_INITDIALOG:
{
initUPSSelectDlg(hDlg,uMsg,wParam,lParam);
break;
}
case WM_CLOSE:
{
EndDialog( hDlg, IDCANCEL);
break;
}
case WM_COMMAND:
{
bRes = processUPSSelectCtrls( hDlg, uMsg, wParam, lParam);
break;
}
case WM_HELP: //F1 or question box
{
WinHelp(((LPHELPINFO)lParam)->hItemHandle,
PWRMANHLP,
HELP_WM_HELP,
(ULONG_PTR)(LPTSTR)g_UPSSelectHelpIDs);
break;
}
case WM_CONTEXTMENU: // right mouse click help
{
WinHelp((HWND)wParam,
PWRMANHLP,
HELP_CONTEXTMENU,
(ULONG_PTR)(LPTSTR)g_UPSSelectHelpIDs);
break;
}
default:
{
bRes = FALSE;
break;
}
}
return bRes;
}
/*
* BOOL processUPSSelectCtrls (HWND hDlg,
* UINT uMsg,
* WPARAM wParam,
* LPARAM lParam);
*
* Description: processes WM_COMMAND messages for the UPS select dialog
*
* Additional Information:
*
* Parameters:
*
* HWND hDlg :- Handle to dialog box
*
* UINT uMsg :- message ID
*
* WPARAM wParam :- Specifies additional message-specific information.
*
* LPARAM lParam :- Specifies additional message-specific information.
*
* Return Value: returns TRUE unless the control specified is unknown
*/
BOOL processUPSSelectCtrls(HWND hDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
BOOL bRes = TRUE;
switch (LOWORD(wParam))
{
case IDB_SELECT_FINISH:
{
setServiceData(hDlg);
setUPSConfigValues();
EndDialog(hDlg,wParam);
break;
}
case IDB_SELECT_NEXT:
{
/*
* the user has selected Custom...
*/
INT_PTR iCustomRes;
/*
* bring up the custom config dialog
*/
// ShowWindow(hDlg,SW_HIDE);
iCustomRes = DialogBoxParam(
GetUPSModuleHandle(),
MAKEINTRESOURCE(IDD_UPSCUSTOM),
hDlg,
UPSCustomDlgProc,
(LPARAM)&g_CustomData);
switch (iCustomRes)
{
case IDB_CUSTOM_FINISH:
{
/*
* Save Custom signal values
*/
setServiceData(hDlg);
setUPSConfigValues();
EndDialog(hDlg,wParam);
break;
}
case IDCANCEL: // the escape key
{
EndDialog(hDlg,wParam);
break;
}
case IDB_CUSTOM_BACK:
{
ShowWindow(hDlg,SW_SHOW);
break;
}
}
break;
}
case IDCANCEL: // the escape key
{
EndDialog(hDlg,wParam);
break;
}
case IDC_VENDOR_LIST:
{
handleVendorList(hDlg,uMsg,wParam,lParam);
break;
}
case IDC_MODEL_LIST:
{
handleModelList(hDlg,uMsg,wParam,lParam);
break;
}
case IDC_PORT_LIST:
{
handlePortList(hDlg,uMsg,wParam,lParam);
break;
}
default:
{
bRes = FALSE;
break;
}
}
return bRes;
}
/*
* void initUPSSelectDlg (HWND hDlg,
* UINT uMsg,
* WPARAM wParam,
* LPARAM lParam);
*
* Description: initializes global data and controls for UPS select dialog
*
* Additional Information:
*
* Parameters:
*
* HWND hDlg :- Handle to dialog box
*
* UINT uMsg :- message ID
*
* WPARAM wParam :- Specifies additional message-specific information.
*
* LPARAM lParam :- Specifies additional message-specific information.
*
* Return Value: none
*/
void initUPSSelectDlg(HWND hDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
/*
* load registry settings
*/
getUPSConfigValues();
/*
* load string resources
*/
LoadString( GetUPSModuleHandle(),
IDS_NO_UPS_VENDOR,
g_szNoUPSVendor,
sizeof(g_szNoUPSVendor)/sizeof(TCHAR));
LoadString( GetUPSModuleHandle(),
IDS_OTHER_UPS_VENDOR,
g_szOtherUPSVendor,
sizeof(g_szOtherUPSVendor)/sizeof(TCHAR));
LoadString( GetUPSModuleHandle(),
IDS_CUSTOM_UPS_MODEL,
g_szCustomUPSModel,
sizeof(g_szCustomUPSModel)/sizeof(TCHAR));
LoadString( GetUPSModuleHandle(),
IDS_COM_PORT_PREFIX,
g_szCOMPortPrefix,
sizeof(g_szCOMPortPrefix)/sizeof(TCHAR));
/*
* disable the Finish button, just in case its not disabled by default
*/
//EnableWindow( GetDlgItem( hDlg, IDB_SELECT_FINISH), FALSE);
/*
* init the list controls
*/
updateVendorList( hDlg);
updateModelList( hDlg);
updatePortList( hDlg);
configFinishButton(hDlg);
}
/*
* void updateVendorList (HWND hDlg);
*
* Description: updates the vendor list control in UPS select dialog
*
* Additional Information:
*
* Parameters:
*
* HWND hDlg :- Handle to dialog box
*
* Return Value: none
*/
void updateVendorList(HWND hDlg)
{
HKEY hkResult;
LRESULT lListRes;
g_vendorState = eVendorUnknown;
/*
* clear and disable the list
*/
lListRes = SendDlgItemMessage( hDlg, IDC_VENDOR_LIST, CB_RESETCONTENT,0,0);
EnableWindow( GetDlgItem( hDlg, IDC_VENDOR_LIST), FALSE);
EnableWindow( GetDlgItem( hDlg, IDC_VENDOR_TEXT), FALSE);
// Add "None" as the first item in the list
lListRes = SendDlgItemMessage( hDlg,
IDC_VENDOR_LIST,
CB_ADDSTRING,
0,
(LPARAM)g_szNoUPSVendor);
/*
* Build the rest of the Vendor list from the registry
*/
if (ERROR_SUCCESS == RegOpenKeyEx(HKEY_LOCAL_MACHINE,
UPS_SERVICE_ROOT,
0,
KEY_ENUMERATE_SUB_KEYS,
&hkResult))
{
DWORD dwIndex = 0;
LONG lRes = ERROR_SUCCESS;
TCHAR szKeyName[MAX_PATH] = _T("");
DWORD dwKeyLen;
FILETIME ftLast;
while (ERROR_SUCCESS == lRes)
{
dwKeyLen = sizeof(szKeyName)/sizeof(TCHAR);
lRes = RegEnumKeyEx(hkResult,
dwIndex,
szKeyName, // address of buffer for subkey name
&dwKeyLen, // address for size of subkey buffer
NULL, // reserved
NULL, // address of buffer for class string
NULL, // address for size of class buffer
&ftLast); // address for time key last written to
// The "NoUPS" and "OtherUPS" options are added manually
// before and after spinning through the registry
// (unlike mfg names, these string require localization).
// In RC2 registry keys were created with these values (English only).
// To avoid duplicate entries in the combo, if the registry key name
// matches the "NoUPS" or "OtherUPS" strings then skip over it.
if( (ERROR_SUCCESS == lRes) &&
(0 != _tcsicmp( szKeyName, g_szNoUPSVendor)) &&
(0 != _tcsicmp( szKeyName, g_szOtherUPSVendor)) )
{
lListRes = SendDlgItemMessage( hDlg,
IDC_VENDOR_LIST,
CB_ADDSTRING,
0,
(LPARAM)szKeyName);
}
dwIndex++;
}
RegCloseKey(hkResult);
}
// Add the "Generic" vendor at the end of the list
lListRes = SendDlgItemMessage( hDlg,
IDC_VENDOR_LIST,
CB_ADDSTRING,
0,
(LPARAM)g_szOtherUPSVendor);
EnableWindow( GetDlgItem( hDlg, IDC_VENDOR_LIST), TRUE);
EnableWindow( GetDlgItem( hDlg, IDC_VENDOR_TEXT), TRUE);
// Now find the current vendor in the combo box...
//
lListRes = SendDlgItemMessage(hDlg,
IDC_VENDOR_LIST,
CB_FINDSTRINGEXACT,
-1,
(LPARAM)g_szCurrentVendor);
// ... and select it.
if( CB_ERR != lListRes )
{
lListRes = SendDlgItemMessage( hDlg,
IDC_VENDOR_LIST,
CB_SETCURSEL,
lListRes,
0);
}
// Set the vendor state
//
if (0 == _tcsicmp( g_szCurrentVendor, g_szNoUPSVendor))
{
g_vendorState = eVendorNone;
}
else
{
if (0 == _tcsicmp( g_szCurrentVendor, g_szOtherUPSVendor))
{
g_vendorState = eVendorGeneric;
}
else
{
g_vendorState = eVendorSelected;
}
}
}
/*
* void updateModelList (HWND hDlg);
*
* Description: updates the UPS model list control in UPS select dialog
*
* Additional Information:
*
* Parameters:
*
* HWND hDlg :- Handle to dialog box
*
* Return Value: none
*/
void updateModelList(HWND hDlg)
{
LRESULT lListRes;
g_modelState = eModelUnknown;
/*
* clear and disable the list
*/
lListRes = SendDlgItemMessage( hDlg, IDC_MODEL_LIST, LB_RESETCONTENT,0,0);
configModelList( hDlg);
/*
* load the list, but only if:
* 1) the current vendor is valid and not NONE
*/
if (eVendorGeneric == g_vendorState)
{
lListRes = SendDlgItemMessage( hDlg,
IDC_MODEL_LIST,
LB_ADDSTRING,
0,
(LPARAM)g_szCustomUPSModel);
}
if (eVendorSelected == g_vendorState)
{
HKEY hkResult;
TCHAR szVendorKey[MAX_PATH] = _T("");
wsprintf(szVendorKey,_T("%s\\%s"),UPS_SERVICE_ROOT,g_szCurrentVendor);
if (ERROR_SUCCESS == RegOpenKeyEx(HKEY_LOCAL_MACHINE,
szVendorKey,
0,
KEY_QUERY_VALUE,
&hkResult))
{
DWORD dwIndex = 0;
LONG lRes = ERROR_SUCCESS;
TCHAR szValueName[MAX_PATH] = _T("");
DWORD dwValueLen;
while (ERROR_SUCCESS == lRes)
{
dwValueLen = sizeof(szValueName)/sizeof(TCHAR);
lRes = RegEnumValue(hkResult,
dwIndex,
szValueName, // address of buffer for subkey name
&dwValueLen, // address for size of subkey buffer
NULL, // reserved
NULL, // address of buffer for type code
NULL, // address of buffer for value data
NULL); // address for size of data buffer
if (ERROR_SUCCESS == lRes)
{
lListRes = SendDlgItemMessage( hDlg,
IDC_MODEL_LIST,
LB_ADDSTRING,
0,
(LPARAM)szValueName);
}
dwIndex++;
}
RegCloseKey(hkResult);
}
// Now find the current model in the list box...
//
lListRes = SendDlgItemMessage(hDlg,
IDC_VENDOR_LIST,
LB_FINDSTRINGEXACT,
-1,
(LPARAM)g_szCurrentModel);
// ... and select it.
if( CB_ERR != lListRes )
{
lListRes = SendDlgItemMessage( hDlg,
IDC_VENDOR_LIST,
LB_SETCURSEL,
lListRes,
0);
}
}
/*
* set the model state
*/
if (0 == _tcsicmp( g_szCurrentModel, g_szCustomUPSModel))
{
g_modelState = eModelCustom;
}
else
{
g_modelState = eModelSelected;
}
configModelList( hDlg);
}
/*
* void updatePortList (HWND hDlg);
*
* Description: updates the UPS port list control in UPS select dialog
*
* Additional Information:
*
* Parameters:
*
* HWND hDlg :- Handle to dialog box
*
* Return Value: none
*/
void updatePortList(HWND hDlg)
{
HKEY hkResult;
LPTSTR lpColon;
g_portState = ePortUnknown;
/*
* disable the list
*/
configPortList( hDlg);
/*
* remove possible trailing colon from COM port setting
*/
if (NULL != (lpColon = _tcschr( g_szCurrentPort, (TCHAR)':')))
{
*lpColon = (TCHAR)'\0';
}
/*
* (re)building the port list, its ok to wipe it out
*/
SendDlgItemMessage( hDlg, IDC_PORT_LIST, CB_RESETCONTENT,0,0);
if (ERROR_SUCCESS == RegOpenKeyEx( HKEY_LOCAL_MACHINE,
UPS_PORT_ROOT,
0,
KEY_QUERY_VALUE,
&hkResult))
{
DWORD dwIndex = 0;
LONG lRes = ERROR_SUCCESS;
TCHAR szPortValue[MAX_PATH] = _T("");
TCHAR szPortData[MAX_PATH] = _T("");
DWORD dwPortLen;
while (ERROR_SUCCESS == lRes)
{
dwPortLen = sizeof(szPortValue)/sizeof(TCHAR);
lRes = RegEnumValue(hkResult,
dwIndex,
szPortValue,// address of buffer for subkey name
&dwPortLen, // address for size of subkey buffer
NULL, // reserved
NULL, // address of buffer for type code
NULL, // address of buffer for value data
NULL); // address for size of data buffer
if (ERROR_SUCCESS == lRes)
{
DWORD dwValueLen;
DWORD dwValueType;
// Once we have the szPortValue we need to get its data.
// This is what we'll put in the combobox.
dwValueLen = sizeof(szPortData)/sizeof(TCHAR);
lRes = RegQueryValueEx(
hkResult, // handle to key to query
szPortValue, // address of name of value to query
NULL, // reserved
&dwValueType, // address of buffer for value type
(LPBYTE)szPortData, // address of data buffer
&dwValueLen // address of data buffer size
);
if (ERROR_SUCCESS == lRes)
{
LONG_PTR listRes;
// Add szPortData to the combobox
listRes = SendDlgItemMessage( hDlg,
IDC_PORT_LIST,
CB_ADDSTRING,
0,
(LPARAM)szPortData);
/*
* this item matches the currentPort, so select it.
*/
if (0 ==_tcsicmp( szPortData, g_szCurrentPort) &&
CB_ERR != listRes &&
CB_ERRSPACE != listRes)
{
if( CB_ERR != SendDlgItemMessage( hDlg,
IDC_PORT_LIST,
CB_SETCURSEL,
listRes,0) )
{
// the combobox is enabled based on whether or not
// a port is selected so if the CB_SETCURSEL call
// is successful, we should set the port state accordingly
g_portState = ePortSelected;
}
}
} // RegQueryValueEx
} // RegEnumValue
dwIndex++;
} // while loop
// If I haven't already set the current selection then
// default to the 0th item in the combobox and set the
// g_portState to indicate that we have a selection
if( g_portState != ePortSelected )
{
if( CB_ERR != SendDlgItemMessage( hDlg,
IDC_PORT_LIST,
CB_SETCURSEL,
0,0) )
{
// the combobox is enabled based on whether or not
// a port is selected so if the CB_SETCURSEL call
// is successful, we should set the port state accordingly
g_portState = ePortSelected;
}
}
RegCloseKey(hkResult);
}
configPortList( hDlg);
}
/*
* void handleVendorList (HWND hDlg,
* UINT uMsg,
* WPARAM wParam,
* LPARAM lParam);
*
* Description: handles messages specific to the Vendor List control
*
* Additional Information:
*
* Parameters:
*
* HWND hDlg :- Handle to dialog box
*
* UINT uMsg :- message ID
*
* WPARAM wParam :- Specifies additional message-specific information.
*
* LPARAM lParam :- Specifies additional message-specific information.
*
* Return Value: none
*/
void handleVendorList(HWND hDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
switch (HIWORD(wParam))
{
case CBN_SELCHANGE://CBN_CLOSEUP:
{
LONG_PTR lVendorRes;
TCHAR szVendorName[MAX_PATH] = _T("");
/*
* Get the user's selection
*/
lVendorRes = SendDlgItemMessage( hDlg,
IDC_VENDOR_LIST,
CB_GETCURSEL,
0,0);
if (CB_ERR != lVendorRes)
{
lVendorRes = SendDlgItemMessage( hDlg,
IDC_VENDOR_LIST,
CB_GETLBTEXT,
lVendorRes,
(LPARAM)szVendorName);
if (CB_ERR != lVendorRes)
{
/*
* if its different from the current value, affect a change
*/
_tcscpy(g_szCurrentVendor, szVendorName);
/*
* set new vendor state
*/
if (0 == _tcsicmp(szVendorName,g_szNoUPSVendor))
{
g_vendorState = eVendorNone;
}
else
{
if (0 == _tcsicmp(szVendorName,g_szOtherUPSVendor))
{
g_vendorState = eVendorGeneric;
}
else
{
g_vendorState = eVendorSelected;
}
}
/*
* force user to select a new model
*/
_tcscpy(g_szCurrentModel, _T(""));
/*
* disable the model and port lists
* forcing the user to reselect them
*/
updateModelList(hDlg);
configPortList( hDlg);
}
}
configFinishButton( hDlg);
break;
}
}
}
/*
* void handleModelList (HWND hDlg,
* UINT uMsg,
* WPARAM wParam,
* LPARAM lParam);
*
* Description: handles messages specific to the Model list control
*
* Additional Information:
*
* Parameters:
*
* HWND hDlg :- Handle to dialog box
*
* UINT uMsg :- message ID
*
* WPARAM wParam :- Specifies additional message-specific information.
*
* LPARAM lParam :- Specifies additional message-specific information.
*
* Return Value: none
*/
void handleModelList(HWND hDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
LONG_PTR lModelRes;
switch (HIWORD(wParam))
{
case LBN_SETFOCUS:
{
/*
* focus has come into the list, make sure
* selected item is visible
*/
lModelRes = SendDlgItemMessage( hDlg,
IDC_MODEL_LIST,
LB_GETCURSEL,
0,0);
if (LB_ERR != lModelRes)
{
lModelRes = SendDlgItemMessage( hDlg,
IDC_MODEL_LIST,
LB_SETTOPINDEX,
lModelRes,
0);
}
break;
}
case LBN_DBLCLK:
case LBN_SELCHANGE:
{
TCHAR szModelName[MAX_PATH] = _T("");
/*
* get the user selection
*/
lModelRes = SendDlgItemMessage( hDlg,
IDC_MODEL_LIST,
LB_GETCURSEL,
0,0);
if (LB_ERR != lModelRes)
{
lModelRes = SendDlgItemMessage( hDlg,
IDC_MODEL_LIST,
LB_GETTEXT,
lModelRes,
(LPARAM)szModelName);
if (LB_ERR != lModelRes)
{
_tcscpy( g_szCurrentModel, szModelName);
/*
* set new model state
*/
if (0==_tcsicmp( szModelName,g_szCustomUPSModel))
{
g_modelState = eModelCustom;
}
else
{
g_modelState = eModelSelected;
}
/*
* enable port selection in the event that
* changing Vendors disabled the port selector
*/
configPortList( hDlg);
}
}
configFinishButton( hDlg);
break;
}
}
}
/*
* void handlePortList (HWND hDlg,
* UINT uMsg,
* WPARAM wParam,
* LPARAM lParam);
*
* Description: handles messages specific to the Port list control
*
* Additional Information:
*
* Parameters:
*
* HWND hDlg :- Handle to dialog box
*
* UINT uMsg :- message ID
*
* WPARAM wParam :- Specifies additional message-specific information.
*
* LPARAM lParam :- Specifies additional message-specific information.
*
* Return Value: none
*/
void handlePortList(HWND hDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
switch (HIWORD(wParam))
{
case CBN_SELCHANGE: //CBN_CLOSEUP:
{
LONG_PTR lPortRes;
TCHAR szPortName[MAX_PATH] = _T("");
/*
* get the user selection
*/
lPortRes = SendDlgItemMessage( hDlg,
IDC_PORT_LIST,
CB_GETCURSEL,
0,0);
if (CB_ERR != lPortRes)
{
lPortRes = SendDlgItemMessage( hDlg,
IDC_PORT_LIST,
CB_GETLBTEXT,
lPortRes,
(LPARAM)szPortName);
if (CB_ERR != lPortRes)
{
_tcscpy( g_szCurrentPort, szPortName);
/*
* set port state
*/
g_portState = ePortSelected;
}
}
configFinishButton( hDlg);
break;
}
}
}
/*
* void setServiceData (HWND hDlg);
*
* Description: utility to configure the registry entries that
* contain info used by the UPS service
*
* Additional Information:
*
* Parameters:
*
* HWND hDlg :- Handle to dialog box
*
* Return Value: none
*/
void setServiceData(HWND hDlg)
{
TCHAR szModelEntry[MAX_PATH] = _T("");
DWORD dwTmpOpts = 0;
LPTSTR lpTmpDLL = _T("");
/*
* check that a vendor and model have been selected. If None
* were selected, that is considered a bad model.. and this
* check will fail, however, Custom/Generic is a valid selection
*/
if ((eModelSelected == g_modelState &&
eVendorSelected == g_vendorState)||
(eModelCustom == g_modelState &&
eVendorGeneric == g_vendorState))
{
/*
* If the custom UPS model is selected, don't bother
* reading the registry entry. Custom can only be simple
* signalling and the options come from the custom dialog
*/
if (eModelCustom == g_modelState)
{
dwTmpOpts = g_dwCurrentCustomOptions;
}
else
{
HKEY hkResult;
TCHAR szVendorKey[MAX_PATH] = _T("");
wsprintf( szVendorKey, _T("%s\\%s"), UPS_SERVICE_ROOT, g_szCurrentVendor);
if (ERROR_SUCCESS == RegOpenKeyEx(HKEY_LOCAL_MACHINE,
szVendorKey,
0,
KEY_QUERY_VALUE,
&hkResult))
{
LONG lRes;
DWORD dwValueLen;
DWORD dwValueType;
dwValueLen = sizeof(szModelEntry); //BYTES HERE, NOT CHARS
lRes = RegQueryValueEx(
hkResult, // handle to key to query
g_szCurrentModel, // address of name of value to query
NULL, // reserved
&dwValueType, // address of buffer for value type
(LPBYTE)szModelEntry, // address of data buffer
&dwValueLen // address of data buffer size
);
if ((ERROR_SUCCESS == lRes) &&
(0 != dwValueLen))
{
LPTSTR lpColon = NULL;
/*
* seperate the DLL from the options data
*/
if (NULL != (lpColon = _tcschr( szModelEntry, (TCHAR)';')))
{
*lpColon = (TCHAR)'\0';
lpColon++;
lpTmpDLL = lpColon;
}
/*
* convert options data from string to int
* WARNING:
* wscanf doesn't work
* _tscanf doesn't work
* swscanf does
* _stscanf does
*/
if (swscanf( szModelEntry, _T("%x"), &dwTmpOpts) == 0) {
// options could not be converted properly, set back to previous value
dwTmpOpts = g_dwCurrentCustomOptions;
}
}
RegCloseKey( hkResult);
}
}
}
/*
* Move values into the registry
*/
g_dwCurrentOptions = dwTmpOpts;
_tcscpy(g_szCurrentServiceDLL, lpTmpDLL);
}
/*
* void configPortList (HWND hDlg);
*
* Description: utility to configure port selection list ctrl
*
* Additional Information:
*
* Parameters:
*
* HWND hDlg :- Handle to dialog box
*
* Return Value: none
*/
void configPortList(HWND hDlg)
{
/*
* enable the Port selection list, if
* 1) there is a valid vendor/model selection
* this includes Custom/Generic but NOT (none)
* 2) there is a port or some type specified
*/
if (((eModelSelected == g_modelState &&
eVendorSelected == g_vendorState)||
(eModelCustom == g_modelState &&
eVendorGeneric == g_vendorState)) &&
ePortUnknown != g_portState)
{
EnableWindow( GetDlgItem( hDlg, IDC_PORT_LIST), TRUE);
EnableWindow( GetDlgItem( hDlg, IDC_PORT_TEXT), TRUE);
}
else
{
EnableWindow( GetDlgItem( hDlg, IDC_PORT_LIST), FALSE);
EnableWindow( GetDlgItem( hDlg, IDC_PORT_TEXT), FALSE);
}
}
/*
* void configModelList (HWND hDlg);
*
* Description: utility to configure model selection list ctrl
*
* Additional Information:
*
* Parameters:
*
* HWND hDlg :- Handle to dialog box
*
* Return Value: none
*/
void configModelList(HWND hDlg)
{
LRESULT lModelRes;
/*
* to enable the model list, there has to
* be a valid or generic vendor selection (NOT none)
*/
if ((eVendorGeneric == g_vendorState ||
eVendorSelected == g_vendorState))
{
EnableWindow( GetDlgItem( hDlg, IDC_MODEL_LIST), TRUE);
EnableWindow( GetDlgItem( hDlg, IDC_MODEL_TEXT), TRUE);
/*
* make sure the selected item is visible
*/
lModelRes = SendDlgItemMessage( hDlg,
IDC_MODEL_LIST,
LB_GETCURSEL,
0,0);
if (LB_ERR != lModelRes)
{
SendDlgItemMessage( hDlg,
IDC_MODEL_LIST,
LB_SETTOPINDEX,
lModelRes,0);
}
}
else
{
EnableWindow( GetDlgItem( hDlg, IDC_MODEL_LIST), FALSE);
EnableWindow( GetDlgItem( hDlg, IDC_MODEL_TEXT), FALSE);
}
}
/*
* void configFinishButton (HWND hDlg);
*
* Description: utility to configure the Finish button ctrl
*
* Additional Information:
*
* Parameters:
*
* HWND hDlg :- Handle to dialog box
*
* Return Value: none
*/
void configFinishButton(HWND hDlg)
{
BOOL bFinState = FALSE;
g_finishButtonState = eFinish; // default
/*
* enable Finish if vendor is NONE
*/
if (eVendorNone == g_vendorState)
{
bFinState = TRUE;
}
else
{
/*
* If all other fields are valid, enable the button
*/
if (eVendorUnknown != g_vendorState &&
eModelUnknown != g_modelState &&
ePortUnknown != g_portState)
{
bFinState = TRUE;
/*
* if the vendor/model is other/custom, the text of
* the button is Next
*/
if (eVendorGeneric == g_vendorState &&
eModelCustom == g_modelState)
{
g_finishButtonState = eNext;
}
}
}
/*
* toggle between the finish and next buttons
*/
SendDlgItemMessage( hDlg,
IDB_SELECT_FINISH,
BM_SETSTYLE,
eFinish == g_finishButtonState ? BS_DEFPUSHBUTTON:BS_PUSHBUTTON,
(LPARAM) TRUE);
//
// Set the NExt Button's style
//
SendDlgItemMessage( hDlg,
IDB_SELECT_NEXT,
BM_SETSTYLE,
eNext == g_finishButtonState ? BS_DEFPUSHBUTTON:BS_PUSHBUTTON,
(LPARAM) TRUE);
//
// Set the default push button's control ID.
//
SendMessage ( hDlg,
DM_SETDEFID,
eFinish == g_finishButtonState ? IDB_SELECT_FINISH: IDB_SELECT_NEXT,
0L);
ShowWindow( GetDlgItem( hDlg, IDB_SELECT_FINISH),
(eFinish == g_finishButtonState ? SW_SHOW : SW_HIDE));
ShowWindow( GetDlgItem( hDlg, IDB_SELECT_NEXT),
(eFinish == g_finishButtonState ? SW_HIDE : SW_SHOW));
EnableWindow( GetDlgItem( hDlg, eFinish == g_finishButtonState ?
IDB_SELECT_FINISH : IDB_SELECT_NEXT), bFinState);
}