Leaked source code of windows server 2003
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/*******************************************************************************
*
* (C) COPYRIGHT MICROSOFT CORPORATION, 1998
*
* TITLE: CHOOSDLG.CPP
*
* VERSION: 1.0
*
* AUTHOR: ShaunIv
*
* DATE: 5/12/1998
*
* DESCRIPTION: Dialog class for selecting an WIA device
*
*******************************************************************************/
#include "precomp.h"
#pragma hdrstop
#include <uiexthlp.h>
#include <modlock.h>
#include <wiacsh.h>
#include <wiadevdp.h>
#include <gwiaevnt.h>
#include <psutil.h>
static const DWORD g_HelpIDs[] =
{
IDC_VENDORSTRING_PROMPT, IDH_WIA_MAKER,
IDC_VENDORSTRING, IDH_WIA_MAKER,
IDC_DESCRIPTIONSTRING_PROMPT, IDH_WIA_DESCRIBE,
IDC_DESCRIPTIONSTRING, IDH_WIA_DESCRIBE,
IDC_DEVICELIST, IDH_WIA_DEVICE_LIST,
IDC_SELDLG_PROPERTIES, IDH_WIA_BUTTON_PROP,
IDOK, IDH_OK,
IDCANCEL, IDH_CANCEL,
IDC_BIG_TITLE, -1,
IDC_SETTINGS_GROUP, -1,
0, 0
};
/*
* Add a device to the list view control. We use the LPARAM in the list control
* to store each interface pointer and any other per-device data we need
*/
CChooseDeviceDialog::CChooseDeviceDialog( HWND hwnd )
: m_pChooseDeviceDialogParams(NULL),
m_hWnd(hwnd),
m_hBigFont(NULL)
{
}
/*
* Destructor
*/
CChooseDeviceDialog::~CChooseDeviceDialog(void)
{
m_pChooseDeviceDialogParams = NULL;
m_hWnd = NULL;
}
/*
* Find an item that matches the unique device string. Return <0 if not found.
*/
int CChooseDeviceDialog::FindItemMatch( const CSimpleStringWide &strw )
{
WIA_PUSH_FUNCTION((TEXT("CChooseDeviceDialog::FindItemMatch( %ws )"), strw.String() ));
HWND hwndList = GetDlgItem( m_hWnd, IDC_DEVICELIST );
if (!hwndList)
return -1;
int iCount = ListView_GetItemCount(hwndList);
if (!iCount)
return -1;
CSimpleString str = CSimpleStringConvert::NaturalString(strw);
for (int i=0;i<iCount;i++)
{
LV_ITEM lvItem;
::ZeroMemory(&lvItem,sizeof(LV_ITEM));
lvItem.mask = LVIF_PARAM;
lvItem.iItem = i;
ListView_GetItem( hwndList, &lvItem );
CSimpleStringWide strwDeviceId;
CDeviceInfo *pDevInfo = (CDeviceInfo *)lvItem.lParam;
if (!pDevInfo)
continue;
if (!pDevInfo->GetProperty(WIA_DIP_DEV_ID,strwDeviceId))
continue;
CSimpleString strDeviceId = CSimpleStringConvert::NaturalString(strwDeviceId);
WIA_TRACE((TEXT("Comparing %s to %s"), str.String(), strDeviceId.String()));
if (str.CompareNoCase(strDeviceId)==0)
{
WIA_TRACE((TEXT("Found a match (%s == %s), returning index %d"), str.String(), strDeviceId.String(), i ));
return i;
}
}
return -1;
}
/*
* Set the specified item to selected and focused, all others to neither.
*/
bool CChooseDeviceDialog::SetSelectedItem( int iItem )
{
HWND hwndList = GetDlgItem( m_hWnd, IDC_DEVICELIST );
if (!hwndList)
return false;
int iCount = ListView_GetItemCount(hwndList);
if (!iCount)
return false;
for (int i=0;i<iCount;i++)
{
UINT state = 0;
if ((iItem < 0 && i == 0) || (i == iItem))
state = LVIS_FOCUSED | LVIS_SELECTED;
ListView_SetItemState( hwndList, i, state, (LVIS_FOCUSED|LVIS_SELECTED));
}
return true;
}
HICON CChooseDeviceDialog::LoadDeviceIcon( CDeviceInfo *pdi )
{
CSimpleStringWide strwClassId;
LONG nDeviceType;
HICON hIconLarge = NULL;
if (pdi->GetProperty( WIA_DIP_UI_CLSID, strwClassId ) &&
pdi->GetProperty( WIA_DIP_DEV_TYPE, nDeviceType ))
{
WiaUiExtensionHelper::GetDeviceIcons(CSimpleBStr(strwClassId), nDeviceType, NULL, &hIconLarge );
}
return hIconLarge;
}
/*
* Add a device to the list view control. We use the LPARAM in the list control
* to store each interface pointer and any other per-device data we need
*/
LRESULT CChooseDeviceDialog::OnInitDialog( WPARAM, LPARAM lParam )
{
m_pChooseDeviceDialogParams = (CChooseDeviceDialogParams*)lParam;
if (!m_pChooseDeviceDialogParams || !m_pChooseDeviceDialogParams->pSelectDeviceDlg || !m_pChooseDeviceDialogParams->pDeviceList)
{
EndDialog( m_hWnd, E_INVALIDARG );
return 0;
}
SendMessage( m_hWnd, WM_SETICON, ICON_BIG, reinterpret_cast<LPARAM>(LoadIcon(g_hInstance,MAKEINTRESOURCE(IDI_DEFAULT))));
//
// Create the icon image list
//
HIMAGELIST hLargeDeviceIcons = ImageList_Create( GetSystemMetrics(SM_CXICON), GetSystemMetrics(SM_CYICON), ILC_MASK|PrintScanUtil::CalculateImageListColorDepth(), 5, 5 );
//
// Set the image lists for the device list
//
if (hLargeDeviceIcons)
{
SendDlgItemMessage( m_hWnd, IDC_DEVICELIST, LVM_SETIMAGELIST, LVSIL_NORMAL, (LPARAM)hLargeDeviceIcons );
}
//
// Reduce flicker
//
ListView_SetExtendedListViewStyleEx( GetDlgItem(m_hWnd, IDC_DEVICELIST), LVS_EX_DOUBLEBUFFER, LVS_EX_DOUBLEBUFFER );
//
// Create the large title
//
m_hBigFont = WiaUiUtil::CreateFontWithPointSizeFromWindow( GetDlgItem(m_hWnd,IDC_BIG_TITLE), 14, false, false );
if (m_hBigFont)
{
SendDlgItemMessage( m_hWnd, IDC_BIG_TITLE, WM_SETFONT, reinterpret_cast<WPARAM>(m_hBigFont), MAKELPARAM(TRUE,0));
}
//
// Register for device connection and disconnection events
//
CGenericWiaEventHandler::RegisterForWiaEvent( NULL, WIA_EVENT_DEVICE_DISCONNECTED, &m_pDisconnectEvent, m_hWnd, PWM_WIA_EVENT );
CGenericWiaEventHandler::RegisterForWiaEvent( NULL, WIA_EVENT_DEVICE_CONNECTED, &m_pConnectEvent, m_hWnd, PWM_WIA_EVENT );
AddDevices();
SetSelectedItem(FindItemMatch(m_pChooseDeviceDialogParams->pSelectDeviceDlg->pwszInitialDeviceId));
UpdateDeviceInformation();
WiaUiUtil::CenterWindow(m_hWnd,m_pChooseDeviceDialogParams->pSelectDeviceDlg->hwndParent);
SetForegroundWindow( m_hWnd );
return 0;
}
LRESULT CChooseDeviceDialog::OnDblClkDeviceList( WPARAM, LPARAM )
{
SendMessage( m_hWnd, WM_COMMAND, MAKEWPARAM(IDOK,0), 0 );
return 0;
}
LRESULT CChooseDeviceDialog::OnItemChangedDeviceList( WPARAM, LPARAM )
{
UpdateDeviceInformation();
return 0;
}
LRESULT CChooseDeviceDialog::OnItemDeletedDeviceList( WPARAM, LPARAM lParam )
{
//
// Get the notification information for this message
//
NMLISTVIEW *pNmListView = reinterpret_cast<NMLISTVIEW*>(lParam);
if (pNmListView)
{
//
// Get the lParam, which is a CDeviceInfo *
//
CDeviceInfo *pDeviceInfo = reinterpret_cast<CDeviceInfo*>(pNmListView->lParam);
if (pDeviceInfo)
{
//
// Free it
//
delete pDeviceInfo;
}
}
return 0;
}
/*
* Handle WM_NOTIFY messages.
*/
LRESULT CChooseDeviceDialog::OnNotify( WPARAM wParam, LPARAM lParam )
{
SC_BEGIN_NOTIFY_MESSAGE_HANDLERS()
{
SC_HANDLE_NOTIFY_MESSAGE_CONTROL( NM_DBLCLK, IDC_DEVICELIST, OnDblClkDeviceList );
SC_HANDLE_NOTIFY_MESSAGE_CONTROL( LVN_ITEMCHANGED, IDC_DEVICELIST, OnItemChangedDeviceList );
SC_HANDLE_NOTIFY_MESSAGE_CONTROL( LVN_DELETEITEM, IDC_DEVICELIST, OnItemDeletedDeviceList );
}
SC_END_NOTIFY_MESSAGE_HANDLERS();
}
/*
* Handle WM_DESTROY message, and free all the memory associated with this dialog
*/
LRESULT CChooseDeviceDialog::OnDestroy( WPARAM, LPARAM )
{
if (m_hBigFont)
{
DeleteObject( m_hBigFont );
m_hBigFont = NULL;
}
//
// Clear the image list and list view. This should be unnecessary, but BoundsChecker
// complains if I don't do it.
//
HWND hWndList = GetDlgItem( m_hWnd, IDC_DEVICELIST );
if (hWndList)
{
//
// Remove all of the list view's items
//
ListView_DeleteAllItems( hWndList );
//
// Destroy the list view's image list
//
HIMAGELIST hImgList = ListView_SetImageList( hWndList, NULL, LVSIL_NORMAL );
if (hImgList)
{
ImageList_Destroy(hImgList);
}
}
return 0;
}
/*
* Return the index of the first selected item in the list control
*/
int CChooseDeviceDialog::GetFirstSelectedDevice(void)
{
HWND hwndList = GetDlgItem( m_hWnd, IDC_DEVICELIST );
if (!hwndList)
return -1;
int iCount = ListView_GetItemCount(hwndList);
if (!iCount)
return -1;
for (int i=0;i<iCount;i++)
if (ListView_GetItemState(hwndList,i,LVIS_FOCUSED) & LVIS_FOCUSED)
return i;
return -1;
}
void CChooseDeviceDialog::OnProperties( WPARAM, LPARAM )
{
WIA_PUSHFUNCTION(TEXT("CChooseDeviceDialog::OnProperties"));
int iSelIndex = GetFirstSelectedDevice();
if (iSelIndex < 0)
{
WIA_ERROR((TEXT("GetFirstSelectedDevice failed")));
return;
}
CDeviceInfo *pDevInfo = GetDeviceInfoFromList(iSelIndex);
if (!pDevInfo)
{
WIA_ERROR((TEXT("GetDeviceInfoFromList")));
return;
}
HRESULT hr;
CSimpleStringWide strDeviceId;
if (pDevInfo->GetProperty( WIA_DIP_DEV_ID, strDeviceId ))
{
CSimpleStringWide strName;
if (pDevInfo->GetProperty( WIA_DIP_DEV_NAME, strName ))
{
CComPtr<IWiaItem> pRootItem;
hr = CreateDeviceIfNecessary( pDevInfo, m_hWnd, &pRootItem, NULL );
if (SUCCEEDED(hr))
{
CSimpleString strPropertyPageTitle;
strPropertyPageTitle.Format( IDS_DEVICE_PROPPAGE_TITLE, g_hInstance, CSimpleStringConvert::NaturalString(strName).String() );
hr = WiaUiUtil::SystemPropertySheet( g_hInstance, m_hWnd, pRootItem, strPropertyPageTitle );
}
}
else
{
WIA_ERROR((TEXT("Unable to get property WIA_DIP_DEV_NAME")));
hr = E_FAIL;
}
}
else
{
WIA_ERROR((TEXT("Unable to get property WIA_DIP_DEV_ID")));
hr = E_FAIL;
}
if (!SUCCEEDED(hr))
{
MessageBox( m_hWnd, CSimpleString( IDS_SELDLG_PROPSHEETERROR, g_hInstance ), CSimpleString( IDS_SELDLG_ERROR_TITLE, g_hInstance ), MB_ICONINFORMATION );
WIA_PRINTHRESULT((hr,TEXT("Unable to display property sheet")));
}
}
void CChooseDeviceDialog::OnOk( WPARAM, LPARAM )
{
WIA_PUSHFUNCTION(TEXT("CChooseDeviceDialog::OnOk"));
int iSelIndex = GetFirstSelectedDevice();
WIA_TRACE((TEXT("Selected item: %d\n"), iSelIndex ));
if (iSelIndex < 0)
return;
CDeviceInfo *pDevInfo = GetDeviceInfoFromList(iSelIndex);
if (!pDevInfo)
return;
WIA_TRACE((TEXT("pDevInfo: %08X\n"), pDevInfo ));
CComPtr<IWiaItem> pRootItem;
HRESULT hr = CreateDeviceIfNecessary( pDevInfo,
m_pChooseDeviceDialogParams->pSelectDeviceDlg->hwndParent,
m_pChooseDeviceDialogParams->pSelectDeviceDlg->ppWiaItemRoot,
m_pChooseDeviceDialogParams->pSelectDeviceDlg->pbstrDeviceID );
EndDialog(m_hWnd,hr);
}
void CChooseDeviceDialog::OnCancel( WPARAM, LPARAM )
{
EndDialog(m_hWnd,S_FALSE);
}
/*
* WM_COMMAND handler. IDOK causes the DevInfo interface pointer to be stored in the
* dialog info structure for use elsewhere. Then we delete and zero out that item's
* LPARAM so it won't get deleted in WM_DESTROY.
*/
LRESULT CChooseDeviceDialog::OnCommand( WPARAM wParam, LPARAM lParam )
{
SC_BEGIN_COMMAND_HANDLERS()
{
SC_HANDLE_COMMAND( IDOK, OnOk );
SC_HANDLE_COMMAND( IDCANCEL, OnCancel );
SC_HANDLE_COMMAND( IDC_SELDLG_PROPERTIES, OnProperties );
}
SC_END_COMMAND_HANDLERS();
}
/*
* Shortcut to get the LPARAM (CDeviceInfo*) from a given list control item
*/
CChooseDeviceDialog::CDeviceInfo *CChooseDeviceDialog::GetDeviceInfoFromList( int iIndex )
{
HWND hwndList = GetDlgItem( m_hWnd, IDC_DEVICELIST );
if (!hwndList)
return NULL;
LV_ITEM lvItem;
::ZeroMemory(&lvItem,sizeof(LV_ITEM));
lvItem.mask = LVIF_PARAM;
lvItem.iItem = iIndex;
if (!ListView_GetItem( hwndList, &lvItem ))
return NULL;
return ((CDeviceInfo*)lvItem.lParam);
}
/*
* Set the description strings for the currently selected device.
*/
void CChooseDeviceDialog::UpdateDeviceInformation(void)
{
CSimpleStringWide strVendorDescription;
CSimpleStringWide strDeviceDescription;
int iIndex = GetFirstSelectedDevice();
if (iIndex < 0)
{
EnableWindow( GetDlgItem(m_hWnd,IDOK), FALSE );
EnableWindow( GetDlgItem(m_hWnd,IDC_SELDLG_PROPERTIES), FALSE );
}
else
{
EnableWindow( GetDlgItem(m_hWnd,IDOK), TRUE );
EnableWindow( GetDlgItem(m_hWnd,IDC_SELDLG_PROPERTIES), TRUE );
CDeviceInfo *pDevInfo = GetDeviceInfoFromList( iIndex );
if (pDevInfo)
{
(void)pDevInfo->GetProperty( WIA_DIP_VEND_DESC, strVendorDescription );
(void)pDevInfo->GetProperty( WIA_DIP_DEV_DESC, strDeviceDescription );
}
}
CSimpleStringConvert::NaturalString(strVendorDescription).SetWindowText( GetDlgItem( m_hWnd, IDC_VENDORSTRING ) );
CSimpleStringConvert::NaturalString(strDeviceDescription).SetWindowText( GetDlgItem( m_hWnd, IDC_DESCRIPTIONSTRING ) );
}
/*
* Add a device to the list view control. We use the LPARAM in the list control
* to store each interface pointer and any other per-device data we need
*/
BOOL CChooseDeviceDialog::AddDevice( IWiaPropertyStorage *pIWiaPropertyStorage, int iDevNo )
{
//
// Assume failure
//
BOOL bResult = FALSE;
CDeviceInfo *pDeviceInfo = new CDeviceInfo;
if (pDeviceInfo)
{
CSimpleStringWide strFriendlyName, strServerName;
pDeviceInfo->Initialize(pIWiaPropertyStorage);
pDeviceInfo->GetProperty( WIA_DIP_DEV_NAME, strFriendlyName );
pDeviceInfo->GetProperty( WIA_DIP_SERVER_NAME, strServerName );
//
// Load the icon, and add it to the image list
//
HICON hIcon = LoadDeviceIcon( pDeviceInfo );
if (hIcon)
{
HIMAGELIST hNormalImageList = ListView_GetImageList( GetDlgItem( m_hWnd, IDC_DEVICELIST ), LVSIL_NORMAL );
if (hNormalImageList)
{
int iIconIndex = ImageList_AddIcon( hNormalImageList, hIcon );
//
// Get the device's name
//
CSimpleString strNaturalFriendlyName = CSimpleStringConvert::NaturalString(strFriendlyName);
CSimpleString strNaturalServerName = CSimpleStringConvert::NaturalString(strServerName);
//
// Perpare the LV_ITEM struct to add it to the list view
//
LV_ITEM lvItem;
::ZeroMemory(&lvItem,sizeof(LV_ITEM));
lvItem.lParam = reinterpret_cast<LPARAM>(pDeviceInfo);
lvItem.mask = LVIF_TEXT | LVIF_IMAGE | LVIF_PARAM;
lvItem.iItem = iDevNo;
//
// Append the server name, if there is one
//
if (strServerName.Length() && CSimpleStringConvert::NaturalString(strServerName) != CSimpleString(TEXT("local")))
{
strNaturalFriendlyName += CSimpleString(TEXT(" ("));
strNaturalFriendlyName += strNaturalServerName;
strNaturalFriendlyName += CSimpleString(TEXT(")"));
}
lvItem.pszText = (LPTSTR)strNaturalFriendlyName.String();
lvItem.cchTextMax = strNaturalFriendlyName.Length() + 1;
lvItem.iImage = iIconIndex;
//
// Add it to the list view
//
bResult = (ListView_InsertItem( GetDlgItem( m_hWnd, IDC_DEVICELIST ), &lvItem ) >= 0);
}
//
// Free the icon
//
DestroyIcon( hIcon );
}
//
// If we couldn't add the item for some reason, free the deviceinfo struct
//
if (!bResult)
{
delete pDeviceInfo;
}
}
return bResult;
}
/*
* Enumerate devices and add each to the list
*/
bool CChooseDeviceDialog::AddDevices(void)
{
CWaitCursor wc;
for (int i=0;i<m_pChooseDeviceDialogParams->pDeviceList->Size();i++)
{
AddDevice( m_pChooseDeviceDialogParams->pDeviceList->operator[](i), i );
}
return true;
}
HRESULT CChooseDeviceDialog::CreateDeviceIfNecessary( CDeviceInfo *pDevInfo, HWND hWndParent, IWiaItem **ppRootItem, BSTR *pbstrDeviceId )
{
if (!pDevInfo)
{
return E_POINTER;
}
HRESULT hr = S_OK;
CSimpleStringWide strDeviceId;
if (pDevInfo->GetProperty( WIA_DIP_DEV_ID, strDeviceId ))
{
if (pDevInfo->RootItem())
{
if (ppRootItem)
{
*ppRootItem = pDevInfo->RootItem();
(*ppRootItem)->AddRef();
}
if (pbstrDeviceId)
{
*pbstrDeviceId = SysAllocString( strDeviceId );
if (!pbstrDeviceId)
{
hr = E_OUTOFMEMORY;
}
}
}
else
{
CComPtr<IWiaDevMgr> pWiaDevMgr;
hr = CoCreateInstance( CLSID_WiaDevMgr, NULL, CLSCTX_LOCAL_SERVER, IID_IWiaDevMgr, (void**)&pWiaDevMgr );
if (SUCCEEDED(hr))
{
hr = CreateWiaDevice( pWiaDevMgr, pDevInfo->WiaPropertyStorage(), hWndParent, ppRootItem, pbstrDeviceId );
if (SUCCEEDED(hr))
{
if (ppRootItem)
{
pDevInfo->RootItem(*ppRootItem);
}
}
}
}
}
else
{
hr = E_FAIL;
WIA_ERROR((TEXT("Unable to get property WIA_DIP_DEV_ID")));
}
return hr;
}
// Static helper function for creating a device
HRESULT CChooseDeviceDialog::CreateWiaDevice( IWiaDevMgr *pWiaDevMgr, IWiaPropertyStorage *pWiaPropertyStorage, HWND hWndParent, IWiaItem **ppWiaRootItem, BSTR *pbstrDeviceId )
{
WIA_PUSH_FUNCTION((TEXT("CChooseDeviceDialog::CreateWiaDevice")));
//
// Validate parameters
//
if (!pWiaPropertyStorage || !pWiaDevMgr)
{
return(E_INVALIDARG);
}
//
// Get the device ID
//
CSimpleStringWide strDeviceId;
if (!PropStorageHelpers::GetProperty( pWiaPropertyStorage, WIA_DIP_DEV_ID, strDeviceId ))
{
return(E_INVALIDARG);
}
WIA_TRACE((TEXT("DeviceID: %ws"), strDeviceId.String()));
//
// Assume success
//
HRESULT hr = S_OK;
//
// It is OK to have a NULL item, that means we won't be creating the device
//
if (ppWiaRootItem)
{
//
// Initialize the device pointer to NULL
//
*ppWiaRootItem = NULL;
//
// Get the friendly name for the status dialog
//
CSimpleStringWide strwFriendlyName;
if (!PropStorageHelpers::GetProperty( pWiaPropertyStorage, WIA_DIP_DEV_NAME, strwFriendlyName ))
{
return(E_INVALIDARG);
}
WIA_TRACE((TEXT("DeviceName: %ws"), strwFriendlyName.String()));
//
// Convert the device name to ANSI if needed
//
CSimpleString strFriendlyName = CSimpleStringConvert::NaturalString(strwFriendlyName);
//
// Get the device type for the status dialog
//
LONG nDeviceType;
if (!PropStorageHelpers::GetProperty( pWiaPropertyStorage, WIA_DIP_DEV_TYPE, nDeviceType ))
{
return(E_INVALIDARG);
}
WIA_TRACE((TEXT("DeviceType: %08X"), nDeviceType));
//
// Create the progress dialog
//
CComPtr<IWiaProgressDialog> pWiaProgressDialog;
hr = CoCreateInstance( CLSID_WiaDefaultUi, NULL, CLSCTX_INPROC_SERVER, IID_IWiaProgressDialog, (void**)&pWiaProgressDialog );
if (SUCCEEDED(hr))
{
//
// Figure out which animation to use
//
int nAnimationType = WIA_PROGRESSDLG_ANIM_CAMERA_COMMUNICATE;
if (StiDeviceTypeScanner == GET_STIDEVICE_TYPE(nDeviceType))
{
nAnimationType = WIA_PROGRESSDLG_ANIM_SCANNER_COMMUNICATE;
}
else if (StiDeviceTypeStreamingVideo == GET_STIDEVICE_TYPE(nDeviceType))
{
nAnimationType = WIA_PROGRESSDLG_ANIM_VIDEO_COMMUNICATE;
}
//
// Initialize the progress dialog
//
pWiaProgressDialog->Create( hWndParent, nAnimationType|WIA_PROGRESSDLG_NO_PROGRESS|WIA_PROGRESSDLG_NO_CANCEL|WIA_PROGRESSDLG_NO_TITLE );
pWiaProgressDialog->SetTitle( CSimpleStringConvert::WideString(CSimpleString(IDS_SELECT_PROGDLG_TITLE,g_hInstance)));
pWiaProgressDialog->SetMessage( CSimpleStringConvert::WideString(CSimpleString().Format(IDS_SELECT_PROGDLG_MESSAGE,g_hInstance,strFriendlyName.String())));
//
// Show the progress dialog
//
pWiaProgressDialog->Show();
//
// Create the device
//
WIA_TRACE((TEXT("Calling pWiaDevMgr->CreateDevice")));
hr = pWiaDevMgr->CreateDevice( CSimpleBStr(strDeviceId), ppWiaRootItem );
WIA_PRINTHRESULT((hr,TEXT("pWiaDevMgr->CreateDevice returned")));
//
// Tell the wait dialog to go away
//
pWiaProgressDialog->Destroy();
}
}
//
// If everything is still OK, and the caller wants a device ID, store it.
//
if (SUCCEEDED(hr) && pbstrDeviceId)
{
*pbstrDeviceId = SysAllocString( strDeviceId );
if (!pbstrDeviceId)
{
hr = E_OUTOFMEMORY;
}
}
WIA_PRINTHRESULT((hr,TEXT("CChooseDeviceDialog::CreateWiaDevice returned")));
return(hr);
}
LRESULT CChooseDeviceDialog::OnWiaEvent( WPARAM wParam, LPARAM lParam )
{
WIA_PUSHFUNCTION(TEXT("CAcquisitionManagerControllerWindow::OnEventNotification"));
CGenericWiaEventHandler::CEventMessage *pEventMessage = reinterpret_cast<CGenericWiaEventHandler::CEventMessage *>(lParam);
if (pEventMessage)
{
//
// If this is the connect event, and it matches the allowed device types, add the device to the list
//
if (pEventMessage->EventId() == WIA_EVENT_DEVICE_CONNECTED)
{
IWiaPropertyStorage *pWiaPropertyStorage = NULL;
if (SUCCEEDED(WiaUiUtil::GetDeviceInfoFromId( pEventMessage->DeviceId(), &pWiaPropertyStorage )) && pWiaPropertyStorage)
{
LONG nDeviceType;
if (PropStorageHelpers::GetProperty( pWiaPropertyStorage, WIA_DIP_DEV_TYPE, nDeviceType ))
{
if (m_pChooseDeviceDialogParams->pSelectDeviceDlg->nDeviceType == StiDeviceTypeDefault || (m_pChooseDeviceDialogParams->pSelectDeviceDlg->nDeviceType == GET_STIDEVICE_TYPE(nDeviceType)))
{
AddDevice( pWiaPropertyStorage, ListView_GetItemCount( GetDlgItem( m_hWnd, IDC_DEVICELIST )));
}
else
{
pWiaPropertyStorage->Release();
}
}
else
{
pWiaPropertyStorage->Release();
}
}
}
//
// If this is the disconnect event, remove it from the list
//
else if (pEventMessage->EventId() == WIA_EVENT_DEVICE_DISCONNECTED)
{
int nItemIndex = FindItemMatch( pEventMessage->DeviceId() );
if (nItemIndex >= 0)
{
WIA_TRACE((TEXT("Removing device %ws (%d)"), pEventMessage->DeviceId().String(), nItemIndex ));
int nSelectedItem = GetFirstSelectedDevice();
ListView_DeleteItem( GetDlgItem( m_hWnd, IDC_DEVICELIST ), nItemIndex );
int nItemCount = ListView_GetItemCount(GetDlgItem( m_hWnd, IDC_DEVICELIST ));
if (nItemCount)
{
if (nSelectedItem == nItemIndex)
{
nSelectedItem = nItemCount-1;
}
SetSelectedItem( nSelectedItem );
}
}
}
//
// Delete the message
//
delete pEventMessage;
}
//
// Update all of the controls
//
UpdateDeviceInformation();
return HANDLED_EVENT_MESSAGE;
}
LRESULT CChooseDeviceDialog::OnSysColorChange( WPARAM wParam, LPARAM lParam )
{
SendDlgItemMessage( m_hWnd, IDC_DEVICELIST, WM_SYSCOLORCHANGE, wParam, lParam );
return 0;
}
LRESULT CChooseDeviceDialog::OnHelp( WPARAM wParam, LPARAM lParam )
{
return WiaHelp::HandleWmHelp( wParam, lParam, g_HelpIDs );
}
LRESULT CChooseDeviceDialog::OnContextMenu( WPARAM wParam, LPARAM lParam )
{
return WiaHelp::HandleWmContextMenu( wParam, lParam, g_HelpIDs );
}
/*
* Main dialog proc
*/
INT_PTR CALLBACK CChooseDeviceDialog::DialogProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam )
{
SC_BEGIN_DIALOG_MESSAGE_HANDLERS(CChooseDeviceDialog)
{
SC_HANDLE_DIALOG_MESSAGE( WM_INITDIALOG, OnInitDialog );
SC_HANDLE_DIALOG_MESSAGE( WM_COMMAND, OnCommand );
SC_HANDLE_DIALOG_MESSAGE( WM_DESTROY, OnDestroy );
SC_HANDLE_DIALOG_MESSAGE( WM_NOTIFY, OnNotify );
SC_HANDLE_DIALOG_MESSAGE( PWM_WIA_EVENT, OnWiaEvent );
SC_HANDLE_DIALOG_MESSAGE( WM_HELP, OnHelp );
SC_HANDLE_DIALOG_MESSAGE( WM_CONTEXTMENU, OnContextMenu );
SC_HANDLE_DIALOG_MESSAGE( WM_SYSCOLORCHANGE, OnSysColorChange );
}
SC_END_DIALOG_MESSAGE_HANDLERS();
}