Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 358 insertions, 0 deletions

diff --git a/vcl/workben/win/dtrans/XTDo.cxx b/vcl/workben/win/dtrans/XTDo.cxx
new file mode 100644
index 000000000..f8da707d9
--- /dev/null
+++ b/vcl/workben/win/dtrans/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: */