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diff --git a/vcl/workben/win/dtrans/XTDo.cxx b/vcl/workben/win/dtrans/XTDo.cxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <osl/diagnose.h>
+
+#include "../DTransHelper.hxx"
+
+#include "XTDo.hxx"
+
+#if defined _MSC_VER
+#pragma warning(push,1)
+#endif
+#include <windows.h>
+#include <ole2.h>
+#if defined _MSC_VER
+#pragma warning(pop)
+#endif
+#include <memory>
+
+using namespace ::std;
+
+// OTWrapperDataObject
+
+/*
+ in the constructor we enumerate all formats offered by the transferable
+ and convert the formats into formatetc structures
+ if the transferable supports text in different charsets we use either
+ the charset equal to the charset of the current thread or an arbitrary
+ charset supported by the transferable and the system
+ if the transferable supports only unicodetext we offer in addition to
+ this text in the charset of the current thread
+ in order to allow the consumer of the clipboard to query for the charset
+ of the text in the clipboard we offer a CF_LOCALE
+*/
+CXTDataObject::CXTDataObject( ) :
+ m_nRefCnt( 0 )
+{
+
+}
+
+// IUnknown->QueryInterface
+
+STDMETHODIMP CXTDataObject::QueryInterface( REFIID iid, LPVOID* ppvObject )
+{
+ OSL_ASSERT( NULL != ppvObject );
+
+ if ( NULL == ppvObject )
+ return E_INVALIDARG;
+
+ HRESULT hr = E_NOINTERFACE;
+
+ *ppvObject = NULL;
+
+ if ( ( __uuidof( IUnknown ) == iid ) || ( __uuidof( IDataObject ) == iid ) )
+ {
+ *ppvObject = static_cast< IUnknown* >( this );
+ ( (LPUNKNOWN)*ppvObject )->AddRef( );
+ hr = S_OK;
+ }
+
+ return hr;
+}
+
+// IUnknown->AddRef
+
+STDMETHODIMP_(ULONG) CXTDataObject::AddRef( )
+{
+ return static_cast< ULONG >( InterlockedIncrement( &m_nRefCnt ) );
+}
+
+// IUnknown->Release
+
+STDMETHODIMP_(ULONG) CXTDataObject::Release( )
+{
+ // we need a helper variable because it's
+ // not allowed to access a member variable
+ // after an object is destroyed
+ ULONG nRefCnt = static_cast< ULONG >( InterlockedDecrement( &m_nRefCnt ) );
+
+ if ( 0 == nRefCnt )
+ {
+ delete this;
+ }
+
+ return nRefCnt;
+}
+
+/*------------------------------------------------------------------------
+
+ IDataObject->GetData
+ we deliver data only into global memory
+
+ algo:
+ 1. convert the given formatect struct into a valid dataflavor
+ 2. if the transferable directly supports the requested format
+ 2.1. if text data requested add a trailing '\0' in order to prevent
+ problems (windows needs '\0' terminated strings
+ 2.2. we expect unicode data as Sequence< sal_Unicode > and all other
+ text and raw data as Sequence< sal_Int8 >
+
+------------------------------------------------------------------------*/
+
+STDMETHODIMP CXTDataObject::GetData( LPFORMATETC pFormatetc, LPSTGMEDIUM pmedium )
+{
+ if ( ( NULL == pFormatetc ) || ( NULL == pmedium ) )
+ return E_INVALIDARG;
+
+ HRESULT hr = E_FAIL;
+
+ if ( CF_TEXT == pFormatetc->cfFormat )
+ {
+ CHGlobalHelper hGlobHlp( TRUE );
+
+ char pBuff[] = "Test OleClipboard";
+ hGlobHlp.Write( pBuff, sizeof( pBuff ), NULL );
+
+ pmedium->tymed = TYMED_HGLOBAL;
+ pmedium->hGlobal = hGlobHlp.GetHGlobal( );
+ pmedium->pUnkForRelease = NULL;
+
+ hr = S_OK;
+ }
+
+ return hr;
+}
+
+// IDataObject->EnumFormatEtc
+
+STDMETHODIMP CXTDataObject::EnumFormatEtc( DWORD dwDirection, IEnumFORMATETC** ppenumFormatetc )
+{
+ if ( ( NULL == ppenumFormatetc ) || ( DATADIR_SET == dwDirection ) )
+ return E_INVALIDARG;
+
+ *ppenumFormatetc = NULL;
+
+ HRESULT hr = E_FAIL;
+
+ if ( DATADIR_GET == dwDirection )
+ {
+ *ppenumFormatetc = new CEnumFormatEtc( this );
+ static_cast< LPUNKNOWN >( *ppenumFormatetc )->AddRef( );
+ hr = S_OK;
+ }
+
+ return hr;
+}
+
+// IDataObject->QueryGetData
+
+STDMETHODIMP CXTDataObject::QueryGetData( LPFORMATETC pFormatetc )
+{
+ return E_NOTIMPL;
+}
+
+// IDataObject->GetDataHere
+
+STDMETHODIMP CXTDataObject::GetDataHere( LPFORMATETC, LPSTGMEDIUM )
+{
+ return E_NOTIMPL;
+}
+
+// IDataObject->GetCanonicalFormatEtc
+
+STDMETHODIMP CXTDataObject::GetCanonicalFormatEtc( LPFORMATETC, LPFORMATETC )
+{
+ return E_NOTIMPL;
+}
+
+// IDataObject->SetData
+
+STDMETHODIMP CXTDataObject::SetData( LPFORMATETC, LPSTGMEDIUM, BOOL )
+{
+ return E_NOTIMPL;
+}
+
+// IDataObject->DAdvise
+
+STDMETHODIMP CXTDataObject::DAdvise( LPFORMATETC, DWORD, LPADVISESINK, DWORD * )
+{
+ return E_NOTIMPL;
+}
+
+// IDataObject->DUnadvise
+
+STDMETHODIMP CXTDataObject::DUnadvise( DWORD )
+{
+ return E_NOTIMPL;
+}
+
+// IDataObject->EnumDAdvise
+
+STDMETHODIMP CXTDataObject::EnumDAdvise( LPENUMSTATDATA * )
+{
+ return E_NOTIMPL;
+}
+
+CXTDataObject::operator IDataObject*( )
+{
+ return static_cast< IDataObject* >( this );
+}
+
+CEnumFormatEtc::CEnumFormatEtc( LPUNKNOWN pUnkDataObj ) :
+ m_nRefCnt( 0 ),
+ m_pUnkDataObj( pUnkDataObj ),
+ m_nCurrPos( 0 )
+{
+}
+
+// IUnknown->QueryInterface
+
+STDMETHODIMP CEnumFormatEtc::QueryInterface( REFIID iid, LPVOID* ppvObject )
+{
+ if ( NULL == ppvObject )
+ return E_INVALIDARG;
+
+ HRESULT hr = E_NOINTERFACE;
+
+ *ppvObject = NULL;
+
+ if ( ( __uuidof( IUnknown ) == iid ) || ( __uuidof( IEnumFORMATETC ) == iid ) )
+ {
+ *ppvObject = static_cast< IUnknown* >( this );
+ static_cast< LPUNKNOWN >( *ppvObject )->AddRef( );
+ hr = S_OK;
+ }
+
+ return hr;
+}
+
+// IUnknown->AddRef
+
+STDMETHODIMP_(ULONG) CEnumFormatEtc::AddRef( )
+{
+ // keep the dataobject alive
+ m_pUnkDataObj->AddRef( );
+ return InterlockedIncrement( &m_nRefCnt );
+}
+
+// IUnknown->Release
+
+STDMETHODIMP_(ULONG) CEnumFormatEtc::Release( )
+{
+ // release the outer dataobject
+ m_pUnkDataObj->Release( );
+
+ // we need a helper variable because it's
+ // not allowed to access a member variable
+ // after an object is destroyed
+ ULONG nRefCnt = InterlockedDecrement( &m_nRefCnt );
+ if ( 0 == nRefCnt )
+ delete this;
+
+ return nRefCnt;
+}
+
+// IEnumFORMATETC->Next
+
+STDMETHODIMP CEnumFormatEtc::Next( ULONG celt, LPFORMATETC rgelt, ULONG* pceltFetched )
+{
+ if ( ( 0 != celt ) && ( NULL == rgelt ) )
+ return E_INVALIDARG;
+
+ ULONG ulFetched = 0;
+ ULONG ulToFetch = celt;
+ HRESULT hr = S_FALSE;
+
+ while( m_nCurrPos < 1 )
+ {
+ rgelt->cfFormat = CF_TEXT;
+ rgelt->ptd = NULL;
+ rgelt->dwAspect = DVASPECT_CONTENT;
+ rgelt->lindex = -1;
+ rgelt->tymed = TYMED_HGLOBAL;
+
+ ++m_nCurrPos;
+ ++rgelt;
+ --ulToFetch;
+ ++ulFetched;
+ }
+
+ if ( ulFetched == celt )
+ hr = S_OK;
+
+ if ( NULL != pceltFetched )
+ {
+ *pceltFetched = ulFetched;
+ }
+
+ return hr;
+}
+
+// IEnumFORMATETC->Skip
+
+STDMETHODIMP CEnumFormatEtc::Skip( ULONG celt )
+{
+ HRESULT hr = S_FALSE;
+
+ /*
+ if ( ( m_nCurrPos + celt ) < m_nClipFormats )
+ {
+ m_nCurrPos += celt;
+ hr = S_OK;
+ }
+ */
+
+ return hr;
+}
+
+// IEnumFORMATETC->Reset
+
+STDMETHODIMP CEnumFormatEtc::Reset( )
+{
+ m_nCurrPos = 0;
+ return S_OK;
+}
+
+// IEnumFORMATETC->Clone
+
+STDMETHODIMP CEnumFormatEtc::Clone( IEnumFORMATETC** ppenum )
+{
+ OSL_ASSERT( NULL != ppenum );
+
+ if ( NULL == ppenum )
+ return E_INVALIDARG;
+
+ HRESULT hr = E_FAIL;
+
+ *ppenum = NULL;
+
+ CEnumFormatEtc* pCEnumFEtc = new CEnumFormatEtc( m_pUnkDataObj );
+ if ( NULL != pCEnumFEtc )
+ {
+ pCEnumFEtc->m_nCurrPos = m_nCurrPos;
+ *ppenum = static_cast< IEnumFORMATETC* >( pCEnumFEtc );
+ static_cast< LPUNKNOWN >( *ppenum )->AddRef( );
+ hr = NOERROR;
+ }
+
+ return hr;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-25 09:36:42 +0000