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Diffstat (limited to '')
| -rw-r--r-- | dtrans/source/win32/workbench/XTDo.cxx | 358 |
1 files changed, 358 insertions, 0 deletions
diff --git a/dtrans/source/win32/workbench/XTDo.cxx b/dtrans/source/win32/workbench/XTDo.cxx new file mode 100644 index 000000000..f8da707d9 --- /dev/null +++ b/dtrans/source/win32/workbench/XTDo.cxx @@ -0,0 +1,358 @@ +/* -*- 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: */ |