From ed5640d8b587fbcfed7dd7967f3de04b37a76f26 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 11:06:44 +0200 Subject: Adding upstream version 4:7.4.7. Signed-off-by: Daniel Baumann --- svx/source/form/fmexch.cxx | 347 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 347 insertions(+) create mode 100644 svx/source/form/fmexch.cxx (limited to 'svx/source/form/fmexch.cxx') diff --git a/svx/source/form/fmexch.cxx b/svx/source/form/fmexch.cxx new file mode 100644 index 000000000..5a5429b10 --- /dev/null +++ b/svx/source/form/fmexch.cxx @@ -0,0 +1,347 @@ +/* -*- 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 + +#include +#include +#include + +namespace svxform +{ + using namespace ::com::sun::star::uno; + using namespace ::com::sun::star::datatransfer; + + OLocalExchange::OLocalExchange( ) + :m_bDragging( false ) + ,m_bClipboardOwner( false ) + { + } + + void OLocalExchange::copyToClipboard(const weld::Widget& rWidget, const GrantAccess&) + { + if ( m_bClipboardOwner ) + { // simulate a lostOwnership to notify parties interested in + m_aClipboardListener.Call( *this ); + } + + m_bClipboardOwner = true; + CopyToClipboard(rWidget.get_clipboard()); + } + + void OLocalExchange::clear() + { + if ( !isClipboardOwner() ) + return; + + try + { + Reference< clipboard::XClipboard > xClipBoard( getOwnClipboard() ); + if ( xClipBoard.is() ) + xClipBoard->setContents( nullptr, nullptr ); + } + catch( const Exception& ) + { + DBG_UNHANDLED_EXCEPTION("svx"); + } + m_bClipboardOwner = false; + } + + void SAL_CALL OLocalExchange::lostOwnership( const Reference< clipboard::XClipboard >& _rxClipboard, const Reference< XTransferable >& _rxTrans ) + { + TransferDataContainer::implCallOwnLostOwnership( _rxClipboard, _rxTrans ); + m_bClipboardOwner = false; + + m_aClipboardListener.Call( *this ); + } + + void OLocalExchange::setDragging(bool bDragging) + { + m_bDragging = bDragging; + } + + void OLocalExchange::DragFinished( sal_Int8 nDropAction ) + { + TransferDataContainer::DragFinished( nDropAction ); + setDragging(false); + } + + bool OLocalExchange::hasFormat( const DataFlavorExVector& _rFormats, SotClipboardFormatId _nFormatId ) + { + return std::any_of(_rFormats.begin(), _rFormats.end(), + [&_nFormatId](const DataFlavorEx& rFormat) { return rFormat.mnSotId == _nFormatId; }); + } + + bool OLocalExchange::GetData( const css::datatransfer::DataFlavor& /*_rFlavor*/, const OUString& /*rDestDoc*/ ) + { + return false; // do not have any formats by default + } + + OControlTransferData::OControlTransferData( ) + : m_bFocusEntry(false) + { + } + + OControlTransferData::OControlTransferData( const Reference< XTransferable >& _rxTransferable ) + : m_bFocusEntry(false) + { + TransferableDataHelper aExchangedData( _rxTransferable ); + + // try the formats we know + if ( OControlExchange::hasControlPathFormat( aExchangedData.GetDataFlavorExVector() ) ) + { // paths to the controls, relative to a root + Sequence< Any > aControlPathData; + if ( aExchangedData.GetAny(OControlExchange::getControlPathFormatId(), OUString()) >>= aControlPathData ) + { + DBG_ASSERT( aControlPathData.getLength() >= 2, "OControlTransferData::OControlTransferData: invalid data for the control path format!" ); + if ( aControlPathData.getLength() >= 2 ) + { + aControlPathData[0] >>= m_xFormsRoot; + aControlPathData[1] >>= m_aControlPaths; + } + } + else + { + OSL_FAIL( "OControlTransferData::OControlTransferData: invalid data for the control path format (2)!" ); + } + } + if ( OControlExchange::hasHiddenControlModelsFormat( aExchangedData.GetDataFlavorExVector() ) ) + { // sequence of models of hidden controls + aExchangedData.GetAny(OControlExchange::getHiddenControlModelsFormatId(), OUString()) >>= m_aHiddenControlModels; + } + + updateFormats( ); + } + + + static bool lcl_fillDataFlavorEx( SotClipboardFormatId nId, DataFlavorEx& _rFlavor ) + { + _rFlavor.mnSotId = nId; + return SotExchange::GetFormatDataFlavor( _rFlavor.mnSotId, _rFlavor ); + } + + + void OControlTransferData::updateFormats( ) + { + m_aCurrentFormats.clear(); + m_aCurrentFormats.reserve( 3 ); + + DataFlavorEx aFlavor; + + if ( m_aHiddenControlModels.hasElements() ) + { + if ( lcl_fillDataFlavorEx( OControlExchange::getHiddenControlModelsFormatId(), aFlavor ) ) + m_aCurrentFormats.push_back( aFlavor ); + } + + if ( m_xFormsRoot.is() && m_aControlPaths.hasElements() ) + { + if ( lcl_fillDataFlavorEx( OControlExchange::getControlPathFormatId(), aFlavor ) ) + m_aCurrentFormats.push_back( aFlavor ); + } + + if ( !m_aSelectedEntries.empty() ) + { + if ( lcl_fillDataFlavorEx( OControlExchange::getFieldExchangeFormatId(), aFlavor ) ) + m_aCurrentFormats.push_back( aFlavor ); + } + } + + size_t OControlTransferData::onEntryRemoved(const weld::TreeView* pView, const weld::TreeIter* _pEntry) + { + auto aIter = std::find_if(m_aSelectedEntries.begin(), m_aSelectedEntries.end(), + [pView, _pEntry](const auto& rElem) { + return pView->iter_compare(*rElem, *_pEntry) == 0; + }); + if (aIter != m_aSelectedEntries.end()) + m_aSelectedEntries.erase(aIter); + + return m_aSelectedEntries.size(); + } + + void OControlTransferData::addSelectedEntry(std::unique_ptr xEntry) + { + m_aSelectedEntries.emplace(std::move(xEntry)); + } + + void OControlTransferData::setFocusEntry(bool _bFocusEntry) + { + m_bFocusEntry = _bFocusEntry; + } + + void OControlTransferData::addHiddenControlsFormat(const css::uno::Sequence< css::uno::Reference< css::uno::XInterface > >& seqInterfaces) + { + m_aHiddenControlModels = seqInterfaces; + } + + void OControlTransferData::buildPathFormat(const weld::TreeView* pTreeBox, const weld::TreeIter* pRoot) + { + m_aControlPaths.realloc(0); + + sal_Int32 nEntryCount = m_aSelectedEntries.size(); + if (nEntryCount == 0) + return; + + m_aControlPaths.realloc(nEntryCount); + css::uno::Sequence* pAllPaths = m_aControlPaths.getArray(); + for (const auto& rCurrentEntry : m_aSelectedEntries) + { + // first we collect the path in an array + ::std::vector< sal_uInt32 > aCurrentPath; + + std::unique_ptr xLoop(pTreeBox->make_iterator(rCurrentEntry.get())); + while (pTreeBox->iter_compare(*xLoop, *pRoot) != 0) + { + aCurrentPath.push_back(pTreeBox->get_iter_index_in_parent(*xLoop)); + bool bLoop = pTreeBox->iter_parent(*xLoop); + assert(bLoop && "OControlTransferData::buildPathFormat: invalid root or entry !"); (void)bLoop; + } + + // then we can transfer it into css::uno::Sequence + Sequence& rCurrentPath = *pAllPaths; + sal_Int32 nDepth = aCurrentPath.size(); + + rCurrentPath.realloc(nDepth); + sal_uInt32* pSeq = rCurrentPath.getArray(); + sal_Int32 j,k; + for (j = nDepth - 1, k = 0; k& rPaths : std::as_const(m_aControlPaths)) + { + std::unique_ptr xSearch(pTreeBox->make_iterator(pRoot)); + for (const sal_uInt32 nThisPath : rPaths) + pTreeBox->iter_nth_child(*xSearch, nThisPath); + m_aSelectedEntries.emplace(std::move(xSearch)); + } + } + + OControlExchange::OControlExchange( ) + { + } + + bool OControlExchange::GetData( const DataFlavor& _rFlavor, const OUString& rDestDoc ) + { + const SotClipboardFormatId nFormatId = SotExchange::GetFormat( _rFlavor ); + + if ( getControlPathFormatId( ) == nFormatId ) + { + // ugly. We have to pack all the info into one object + Sequence< Any > aCompleteInfo( 2 ); + OSL_ENSURE( m_xFormsRoot.is(), "OLocalExchange::GetData: invalid forms root for this format!" ); + aCompleteInfo.getArray()[ 0 ] <<= m_xFormsRoot; + aCompleteInfo.getArray()[ 1 ] <<= m_aControlPaths; + + SetAny( Any( aCompleteInfo ) ); + } + else if ( getHiddenControlModelsFormatId() == nFormatId ) + { + // just need to transfer the models + SetAny( Any( m_aHiddenControlModels ) ); + } + else + return OLocalExchange::GetData(_rFlavor, rDestDoc); + + return true; + } + + void OControlExchange::AddSupportedFormats() + { + if (m_bFocusEntry && !m_aSelectedEntries.empty()) + AddFormat(getFieldExchangeFormatId()); + + if (m_aControlPaths.hasElements()) + AddFormat(getControlPathFormatId()); + + if (m_aHiddenControlModels.hasElements()) + AddFormat(getHiddenControlModelsFormatId()); + } + + SotClipboardFormatId OControlExchange::getControlPathFormatId() + { + static SotClipboardFormatId s_nFormat = + SotExchange::RegisterFormatName("application/x-openoffice;windows_formatname=\"svxform.ControlPathExchange\""); + DBG_ASSERT(static_cast(-1) != s_nFormat, "OControlExchange::getControlPathFormatId: bad exchange id!"); + return s_nFormat; + } + + SotClipboardFormatId OControlExchange::getHiddenControlModelsFormatId() + { + static SotClipboardFormatId s_nFormat = + SotExchange::RegisterFormatName("application/x-openoffice;windows_formatname=\"svxform.HiddenControlModelsExchange\""); + DBG_ASSERT(static_cast(-1) != s_nFormat, "OControlExchange::getHiddenControlModelsFormatId: bad exchange id!"); + return s_nFormat; + } + + + SotClipboardFormatId OControlExchange::getFieldExchangeFormatId() + { + static SotClipboardFormatId s_nFormat = + SotExchange::RegisterFormatName("application/x-openoffice;windows_formatname=\"svxform.FieldNameExchange\""); + DBG_ASSERT(static_cast(-1) != s_nFormat, "OControlExchange::getFieldExchangeFormatId: bad exchange id!"); + return s_nFormat; + } + + //= OControlExchangeHelper + rtl::Reference OControlExchangeHelper::createExchange() const + { + return new OControlExchange; + } + + OLocalExchangeHelper::OLocalExchangeHelper() + { + } + + OLocalExchangeHelper::~OLocalExchangeHelper() + { + implReset(); + } + + void OLocalExchangeHelper::copyToClipboard(const weld::Widget& rWidget) const + { + DBG_ASSERT( m_xTransferable.is(), "OLocalExchangeHelper::copyToClipboard: not prepared!" ); + m_xTransferable->copyToClipboard(rWidget, OLocalExchange::GrantAccess()); + } + + void OLocalExchangeHelper::implReset() + { + if (m_xTransferable.is()) + { + m_xTransferable->setClipboardListener( Link() ); + m_xTransferable.clear(); + } + } + + void OLocalExchangeHelper::prepareDrag( ) + { + DBG_ASSERT(!m_xTransferable.is() || !m_xTransferable->isDragging(), "OLocalExchangeHelper::prepareDrag: recursive DnD?"); + + implReset(); + m_xTransferable = createExchange(); + } +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ -- cgit v1.2.3