Source code of Windows XP (NT5)
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119 lines
5.0 KiB

#include "precomp.h"
#pragma hdrstop
#include <initguid.h>
#include "pviewids.h"
#include "wiatextc.h"
#include "wiascand.h"
#include "pshelper.h"
#include "devprop.h"
HRESULT WINAPI ScannerDeviceDialog( PDEVICEDIALOGDATA pDialogDeviceData )
{
HRESULT hr = E_FAIL;
if (pDialogDeviceData && pDialogDeviceData->cbSize == sizeof(DEVICEDIALOGDATA))
{
InitCommonControls();
RegisterWiaPreviewClasses( g_hInstance );
CWiaTextControl::RegisterClass( g_hInstance );
WIA_ERROR((TEXT("GetWindowThreadProcessId( pDialogDeviceData->hwndParent ): %08X, GetCurrentThreadId(): %08X"), GetWindowThreadProcessId( pDialogDeviceData->hwndParent, NULL ), GetCurrentThreadId() ));
LONG nProps = ScannerProperties::GetDeviceProps( pDialogDeviceData->pIWiaItemRoot );
int nDialogId = 0;
//
// Determine which dialog resource to use, based on which properties the scanner has, as follows:
//
// HasFlatBed HasDocumentFeeder SupportsPreview SupportsPageSize
// 1 1 1 1 IDD_SCAN_ADF
// 1 0 1 0 IDD_SCAN_NORMAL
// 0 1 1 1 IDD_SCAN_ADF
// 0 1 0 0 IDD_SCAN_NO_PREVIEW
//
// otheriwse return E_NOTIMPL
//
const int nMaxControllingProps = 4;
static struct
{
LONG ControllingProps[nMaxControllingProps];
int pszDialogTemplate;
}
s_DialogResourceData[] =
{
{ ScannerProperties::HasFlatBed, ScannerProperties::HasDocumentFeeder, ScannerProperties::SupportsPreview, ScannerProperties::SupportsPageSize, NULL },
{ ScannerProperties::HasFlatBed, ScannerProperties::HasDocumentFeeder, ScannerProperties::SupportsPreview, ScannerProperties::SupportsPageSize, IDD_SCAN_ADF },
{ ScannerProperties::HasFlatBed, 0, ScannerProperties::SupportsPreview, 0, IDD_SCAN },
{ 0, ScannerProperties::HasDocumentFeeder, ScannerProperties::SupportsPreview, ScannerProperties::SupportsPageSize, IDD_SCAN_ADF },
{ 0, ScannerProperties::HasDocumentFeeder, 0, 0, IDD_SCAN_NO_PREVIEW },
{ 0, ScannerProperties::HasDocumentFeeder, 0, ScannerProperties::SupportsPageSize, IDD_SCAN_ADF },
{ ScannerProperties::HasFlatBed, ScannerProperties::HasDocumentFeeder, 0, ScannerProperties::SupportsPageSize, IDD_SCAN_ADF }
};
//
// Find the set of flags that match this device. If they match, use this resource.
// Loop through each resource description.
//
for (int nCurrentResourceFlags=1;nCurrentResourceFlags<ARRAYSIZE(s_DialogResourceData) && !nDialogId;nCurrentResourceFlags++)
{
//
// Loop through each controlling property
//
for (int nControllingProp=0;nControllingProp<nMaxControllingProps;nControllingProp++)
{
//
// If this property DOESN'T match, break out prematurely
//
if ((nProps & s_DialogResourceData[0].ControllingProps[nControllingProp]) != s_DialogResourceData[nCurrentResourceFlags].ControllingProps[nControllingProp])
{
break;
}
}
//
// If the current controlling property is equal to the maximum controlling property,
// we had matches all the way through, so use this resource
//
if (nControllingProp == nMaxControllingProps)
{
nDialogId = s_DialogResourceData[nCurrentResourceFlags].pszDialogTemplate;
}
}
//
// If we didn't find a match, return E_NOTIMPL
//
if (!nDialogId)
{
return E_NOTIMPL;
}
//
// Open the dialog
//
INT_PTR nResult = DialogBoxParam( g_hInstance, MAKEINTRESOURCE(nDialogId), pDialogDeviceData->hwndParent, CScannerAcquireDialog::DialogProc, (LPARAM)pDialogDeviceData );
if (-1 == nResult)
{
//
// Some kind of system error occurred
//
hr = HRESULT_FROM_WIN32(GetLastError());
//
// Make sure we return some kind of error
//
if (hr == S_OK)
{
hr = E_FAIL;
}
}
else
{
//
// Just cast the return value to an HRESULT
//
hr = static_cast<HRESULT>(nResult);
}
}
return hr;
}