130486015f
there's no different from GetSystemClipboard except potentially for the libreofficekit case where per-frame clipboards are possible Change-Id: I3173e39f81a03a7cbe114ebca6020d5ed36a659a Reviewed-on: https://gerrit.libreoffice.org/c/core/+/115179 Tested-by: Jenkins Reviewed-by: Caolán McNamara <caolanm@redhat.com>
347 lines
12 KiB
C++
347 lines
12 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <fmexch.hxx>
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#include <sot/formats.hxx>
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#include <tools/debug.hxx>
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#include <tools/diagnose_ex.h>
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namespace svxform
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{
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using namespace ::com::sun::star::uno;
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using namespace ::com::sun::star::datatransfer;
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OLocalExchange::OLocalExchange( )
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:m_bDragging( false )
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,m_bClipboardOwner( false )
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{
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}
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void OLocalExchange::copyToClipboard(const weld::Widget& rWidget, const GrantAccess&)
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{
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if ( m_bClipboardOwner )
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{ // simulate a lostOwnership to notify parties interested in
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m_aClipboardListener.Call( *this );
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}
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m_bClipboardOwner = true;
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CopyToClipboard(rWidget.get_clipboard());
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}
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void OLocalExchange::clear()
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{
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if ( !isClipboardOwner() )
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return;
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try
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{
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Reference< clipboard::XClipboard > xClipBoard( getOwnClipboard() );
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if ( xClipBoard.is() )
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xClipBoard->setContents( nullptr, nullptr );
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}
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catch( const Exception& )
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{
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DBG_UNHANDLED_EXCEPTION("svx");
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}
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m_bClipboardOwner = false;
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}
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void SAL_CALL OLocalExchange::lostOwnership( const Reference< clipboard::XClipboard >& _rxClipboard, const Reference< XTransferable >& _rxTrans )
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{
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TransferDataContainer::implCallOwnLostOwnership( _rxClipboard, _rxTrans );
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m_bClipboardOwner = false;
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m_aClipboardListener.Call( *this );
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}
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void OLocalExchange::setDragging(bool bDragging)
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{
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m_bDragging = bDragging;
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}
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void OLocalExchange::DragFinished( sal_Int8 nDropAction )
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{
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TransferDataContainer::DragFinished( nDropAction );
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setDragging(false);
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}
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bool OLocalExchange::hasFormat( const DataFlavorExVector& _rFormats, SotClipboardFormatId _nFormatId )
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{
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return std::any_of(_rFormats.begin(), _rFormats.end(),
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[&_nFormatId](const DataFlavorEx& rFormat) { return rFormat.mnSotId == _nFormatId; });
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}
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bool OLocalExchange::GetData( const css::datatransfer::DataFlavor& /*_rFlavor*/, const OUString& /*rDestDoc*/ )
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{
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return false; // do not have any formats by default
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}
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OControlTransferData::OControlTransferData( )
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: m_bFocusEntry(false)
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{
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}
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OControlTransferData::OControlTransferData( const Reference< XTransferable >& _rxTransferable )
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: m_bFocusEntry(false)
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{
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TransferableDataHelper aExchangedData( _rxTransferable );
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// try the formats we know
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if ( OControlExchange::hasControlPathFormat( aExchangedData.GetDataFlavorExVector() ) )
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{ // paths to the controls, relative to a root
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Sequence< Any > aControlPathData;
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if ( aExchangedData.GetAny(OControlExchange::getControlPathFormatId(), OUString()) >>= aControlPathData )
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{
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DBG_ASSERT( aControlPathData.getLength() >= 2, "OControlTransferData::OControlTransferData: invalid data for the control path format!" );
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if ( aControlPathData.getLength() >= 2 )
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{
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aControlPathData[0] >>= m_xFormsRoot;
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aControlPathData[1] >>= m_aControlPaths;
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}
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}
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else
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{
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OSL_FAIL( "OControlTransferData::OControlTransferData: invalid data for the control path format (2)!" );
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}
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}
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if ( OControlExchange::hasHiddenControlModelsFormat( aExchangedData.GetDataFlavorExVector() ) )
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{ // sequence of models of hidden controls
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aExchangedData.GetAny(OControlExchange::getHiddenControlModelsFormatId(), OUString()) >>= m_aHiddenControlModels;
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}
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updateFormats( );
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}
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static bool lcl_fillDataFlavorEx( SotClipboardFormatId nId, DataFlavorEx& _rFlavor )
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{
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_rFlavor.mnSotId = nId;
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return SotExchange::GetFormatDataFlavor( _rFlavor.mnSotId, _rFlavor );
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}
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void OControlTransferData::updateFormats( )
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{
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m_aCurrentFormats.clear();
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m_aCurrentFormats.reserve( 3 );
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DataFlavorEx aFlavor;
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if ( m_aHiddenControlModels.hasElements() )
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{
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if ( lcl_fillDataFlavorEx( OControlExchange::getHiddenControlModelsFormatId(), aFlavor ) )
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m_aCurrentFormats.push_back( aFlavor );
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}
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if ( m_xFormsRoot.is() && m_aControlPaths.hasElements() )
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{
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if ( lcl_fillDataFlavorEx( OControlExchange::getControlPathFormatId(), aFlavor ) )
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m_aCurrentFormats.push_back( aFlavor );
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}
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if ( !m_aSelectedEntries.empty() )
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{
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if ( lcl_fillDataFlavorEx( OControlExchange::getFieldExchangeFormatId(), aFlavor ) )
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m_aCurrentFormats.push_back( aFlavor );
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}
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}
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size_t OControlTransferData::onEntryRemoved(const weld::TreeView* pView, const weld::TreeIter* _pEntry)
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{
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auto aIter = std::find_if(m_aSelectedEntries.begin(), m_aSelectedEntries.end(),
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[pView, _pEntry](const auto& rElem) {
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return pView->iter_compare(*rElem, *_pEntry) == 0;
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});
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if (aIter != m_aSelectedEntries.end())
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m_aSelectedEntries.erase(aIter);
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return m_aSelectedEntries.size();
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}
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void OControlTransferData::addSelectedEntry(std::unique_ptr<weld::TreeIter> xEntry)
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{
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m_aSelectedEntries.emplace(std::move(xEntry));
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}
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void OControlTransferData::setFocusEntry(bool _bFocusEntry)
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{
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m_bFocusEntry = _bFocusEntry;
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}
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void OControlTransferData::addHiddenControlsFormat(const css::uno::Sequence< css::uno::Reference< css::uno::XInterface > >& seqInterfaces)
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{
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m_aHiddenControlModels = seqInterfaces;
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}
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void OControlTransferData::buildPathFormat(const weld::TreeView* pTreeBox, const weld::TreeIter* pRoot)
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{
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m_aControlPaths.realloc(0);
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sal_Int32 nEntryCount = m_aSelectedEntries.size();
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if (nEntryCount == 0)
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return;
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m_aControlPaths.realloc(nEntryCount);
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css::uno::Sequence<sal_uInt32>* pAllPaths = m_aControlPaths.getArray();
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for (const auto& rCurrentEntry : m_aSelectedEntries)
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{
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// first we collect the path in an array
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::std::vector< sal_uInt32 > aCurrentPath;
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std::unique_ptr<weld::TreeIter> xLoop(pTreeBox->make_iterator(rCurrentEntry.get()));
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while (pTreeBox->iter_compare(*xLoop, *pRoot) != 0)
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{
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aCurrentPath.push_back(pTreeBox->get_iter_index_in_parent(*xLoop));
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bool bLoop = pTreeBox->iter_parent(*xLoop);
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assert(bLoop && "OControlTransferData::buildPathFormat: invalid root or entry !"); (void)bLoop;
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}
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// then we can transfer it into css::uno::Sequence
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Sequence<sal_uInt32>& rCurrentPath = *pAllPaths;
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sal_Int32 nDepth = aCurrentPath.size();
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rCurrentPath.realloc(nDepth);
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sal_uInt32* pSeq = rCurrentPath.getArray();
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sal_Int32 j,k;
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for (j = nDepth - 1, k = 0; k<nDepth; --j, ++k)
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pSeq[j] = aCurrentPath[k];
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++pAllPaths;
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}
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}
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void OControlTransferData::buildListFromPath(const weld::TreeView* pTreeBox, const weld::TreeIter* pRoot)
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{
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ListBoxEntrySet().swap(m_aSelectedEntries);
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for (const css::uno::Sequence<sal_uInt32>& rPaths : std::as_const(m_aControlPaths))
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{
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std::unique_ptr<weld::TreeIter> xSearch(pTreeBox->make_iterator(pRoot));
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for (const sal_uInt32 nThisPath : rPaths)
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pTreeBox->iter_nth_child(*xSearch, nThisPath);
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m_aSelectedEntries.emplace(std::move(xSearch));
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}
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}
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OControlExchange::OControlExchange( )
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{
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}
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bool OControlExchange::GetData( const DataFlavor& _rFlavor, const OUString& rDestDoc )
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{
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const SotClipboardFormatId nFormatId = SotExchange::GetFormat( _rFlavor );
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if ( getControlPathFormatId( ) == nFormatId )
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{
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// ugly. We have to pack all the info into one object
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Sequence< Any > aCompleteInfo( 2 );
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OSL_ENSURE( m_xFormsRoot.is(), "OLocalExchange::GetData: invalid forms root for this format!" );
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aCompleteInfo.getArray()[ 0 ] <<= m_xFormsRoot;
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aCompleteInfo.getArray()[ 1 ] <<= m_aControlPaths;
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SetAny( makeAny( aCompleteInfo ) );
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}
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else if ( getHiddenControlModelsFormatId() == nFormatId )
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{
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// just need to transfer the models
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SetAny( makeAny( m_aHiddenControlModels ) );
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}
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else
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return OLocalExchange::GetData(_rFlavor, rDestDoc);
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return true;
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}
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void OControlExchange::AddSupportedFormats()
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{
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if (m_bFocusEntry && !m_aSelectedEntries.empty())
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AddFormat(getFieldExchangeFormatId());
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if (m_aControlPaths.hasElements())
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AddFormat(getControlPathFormatId());
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if (m_aHiddenControlModels.hasElements())
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AddFormat(getHiddenControlModelsFormatId());
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}
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SotClipboardFormatId OControlExchange::getControlPathFormatId()
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{
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static SotClipboardFormatId s_nFormat =
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SotExchange::RegisterFormatName("application/x-openoffice;windows_formatname=\"svxform.ControlPathExchange\"");
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DBG_ASSERT(static_cast<SotClipboardFormatId>(-1) != s_nFormat, "OControlExchange::getControlPathFormatId: bad exchange id!");
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return s_nFormat;
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}
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SotClipboardFormatId OControlExchange::getHiddenControlModelsFormatId()
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{
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static SotClipboardFormatId s_nFormat =
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SotExchange::RegisterFormatName("application/x-openoffice;windows_formatname=\"svxform.HiddenControlModelsExchange\"");
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DBG_ASSERT(static_cast<SotClipboardFormatId>(-1) != s_nFormat, "OControlExchange::getHiddenControlModelsFormatId: bad exchange id!");
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return s_nFormat;
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}
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SotClipboardFormatId OControlExchange::getFieldExchangeFormatId()
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{
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static SotClipboardFormatId s_nFormat =
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SotExchange::RegisterFormatName("application/x-openoffice;windows_formatname=\"svxform.FieldNameExchange\"");
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DBG_ASSERT(static_cast<SotClipboardFormatId>(-1) != s_nFormat, "OControlExchange::getFieldExchangeFormatId: bad exchange id!");
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return s_nFormat;
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}
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//= OControlExchangeHelper
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rtl::Reference<OLocalExchange> OControlExchangeHelper::createExchange() const
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{
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return new OControlExchange;
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}
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OLocalExchangeHelper::OLocalExchangeHelper()
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{
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}
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OLocalExchangeHelper::~OLocalExchangeHelper()
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{
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implReset();
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}
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void OLocalExchangeHelper::copyToClipboard(const weld::Widget& rWidget) const
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{
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DBG_ASSERT( m_xTransferable.is(), "OLocalExchangeHelper::copyToClipboard: not prepared!" );
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m_xTransferable->copyToClipboard(rWidget, OLocalExchange::GrantAccess());
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}
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void OLocalExchangeHelper::implReset()
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{
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if (m_xTransferable.is())
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{
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m_xTransferable->setClipboardListener( Link<OLocalExchange&,void>() );
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m_xTransferable.clear();
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}
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}
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void OLocalExchangeHelper::prepareDrag( )
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{
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DBG_ASSERT(!m_xTransferable.is() || !m_xTransferable->isDragging(), "OLocalExchangeHelper::prepareDrag: recursive DnD?");
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implReset();
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m_xTransferable = createExchange();
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}
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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