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