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Diffstat (limited to 'editeng/source/uno/unoedhlp.cxx')
| -rw-r--r-- | editeng/source/uno/unoedhlp.cxx | 254 |
1 files changed, 254 insertions, 0 deletions
diff --git a/editeng/source/uno/unoedhlp.cxx b/editeng/source/uno/unoedhlp.cxx new file mode 100644 index 000000000..19e14fcfc --- /dev/null +++ b/editeng/source/uno/unoedhlp.cxx @@ -0,0 +1,254 @@ +/* -*- 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 <memory> +#include <editeng/unoedhlp.hxx> +#include <editeng/editdata.hxx> +#include <editeng/editeng.hxx> +#include <svl/itemset.hxx> + +#include <osl/diagnose.h> + + +SvxEditSourceHint::SvxEditSourceHint( SfxHintId _nId ) : + TextHint( _nId ), + mnStart( 0 ), + mnEnd( 0 ) +{ +} + +SvxEditSourceHint::SvxEditSourceHint( SfxHintId _nId, sal_uLong nValue, sal_Int32 nStart, sal_Int32 nEnd ) : + TextHint( _nId, nValue ), + mnStart( nStart), + mnEnd( nEnd ) +{ +} + + +std::unique_ptr<SfxHint> SvxEditSourceHelper::EENotification2Hint( EENotify const * aNotify ) +{ + if( aNotify ) + { + switch( aNotify->eNotificationType ) + { + case EE_NOTIFY_TEXTMODIFIED: + return std::unique_ptr<SfxHint>( new TextHint( SfxHintId::TextModified, aNotify->nParagraph ) ); + + case EE_NOTIFY_PARAGRAPHINSERTED: + return std::unique_ptr<SfxHint>( new TextHint( SfxHintId::TextParaInserted, aNotify->nParagraph ) ); + + case EE_NOTIFY_PARAGRAPHREMOVED: + return std::unique_ptr<SfxHint>( new TextHint( SfxHintId::TextParaRemoved, aNotify->nParagraph ) ); + + case EE_NOTIFY_PARAGRAPHSMOVED: + return std::unique_ptr<SfxHint>( new SvxEditSourceHint( SfxHintId::EditSourceParasMoved, aNotify->nParagraph, aNotify->nParam1, aNotify->nParam2 ) ); + + case EE_NOTIFY_TextHeightChanged: + return std::unique_ptr<SfxHint>( new TextHint( SfxHintId::TextHeightChanged, aNotify->nParagraph ) ); + + case EE_NOTIFY_TEXTVIEWSCROLLED: + return std::unique_ptr<SfxHint>( new TextHint( SfxHintId::TextViewScrolled ) ); + + case EE_NOTIFY_TEXTVIEWSELECTIONCHANGED: + return std::unique_ptr<SfxHint>( new SvxEditSourceHint( SfxHintId::EditSourceSelectionChanged ) ); + + case EE_NOTIFY_PROCESSNOTIFICATIONS: + return std::unique_ptr<SfxHint>( new TextHint( SfxHintId::TextProcessNotifications )); + + case EE_NOTIFY_TEXTVIEWSELECTIONCHANGED_ENDD_PARA: + return std::unique_ptr<SfxHint>( new SvxEditSourceHintEndPara ); + default: + OSL_FAIL( "SvxEditSourceHelper::EENotification2Hint unknown notification" ); + break; + } + } + + return std::make_unique<SfxHint>( ); +} + +void SvxEditSourceHelper::GetAttributeRun( sal_Int32& nStartIndex, sal_Int32& nEndIndex, const EditEngine& rEE, sal_Int32 nPara, sal_Int32 nIndex, bool bInCell ) +{ + // IA2 CWS introduced bInCell, but also did many other changes here. + // Need to verify implementation with AT (IA2 and ATK) + // Old implementation at the end of the method for reference... + + //added dummy attributes for the default text + std::vector<EECharAttrib> aCharAttribs, aTempCharAttribs; + rEE.GetCharAttribs( nPara, aTempCharAttribs ); + + if (!aTempCharAttribs.empty()) + { + sal_Int32 nIndex2 = 0; + sal_Int32 nParaLen = rEE.GetTextLen(nPara); + for (size_t nAttr = 0; nAttr < aTempCharAttribs.size(); ++nAttr) + { + if (nIndex2 < aTempCharAttribs[nAttr].nStart) + { + EECharAttrib aEEAttr; + aEEAttr.nStart = nIndex2; + aEEAttr.nEnd = aTempCharAttribs[nAttr].nStart; + aCharAttribs.insert(aCharAttribs.begin() + nAttr, aEEAttr); + } + nIndex2 = aTempCharAttribs[nAttr].nEnd; + aCharAttribs.push_back(aTempCharAttribs[nAttr]); + } + if ( nIndex2 != nParaLen ) + { + EECharAttrib aEEAttr; + aEEAttr.nStart = nIndex2; + aEEAttr.nEnd = nParaLen; + aCharAttribs.push_back(aEEAttr); + } + } + // find closest index in front of nIndex + sal_Int32 nCurrIndex; + sal_Int32 nClosestStartIndex_s = 0, nClosestStartIndex_e = 0; + for (auto const& charAttrib : aCharAttribs) + { + nCurrIndex = charAttrib.nStart; + + if( nCurrIndex > nClosestStartIndex_s && + nCurrIndex <= nIndex) + { + nClosestStartIndex_s = nCurrIndex; + } + nCurrIndex = charAttrib.nEnd; + if ( nCurrIndex > nClosestStartIndex_e && + nCurrIndex < nIndex ) + { + nClosestStartIndex_e = nCurrIndex; + } + } + sal_Int32 nClosestStartIndex = std::max(nClosestStartIndex_s, nClosestStartIndex_e); + + // find closest index behind of nIndex + sal_Int32 nClosestEndIndex_s, nClosestEndIndex_e; + nClosestEndIndex_s = nClosestEndIndex_e = rEE.GetTextLen(nPara); + for (auto const& charAttrib : aCharAttribs) + { + nCurrIndex = charAttrib.nEnd; + + if( nCurrIndex > nIndex && + nCurrIndex < nClosestEndIndex_e ) + { + nClosestEndIndex_e = nCurrIndex; + } + nCurrIndex = charAttrib.nStart; + if ( nCurrIndex > nIndex && + nCurrIndex < nClosestEndIndex_s) + { + nClosestEndIndex_s = nCurrIndex; + } + } + sal_Int32 nClosestEndIndex = std::min(nClosestEndIndex_s, nClosestEndIndex_e); + + nStartIndex = nClosestStartIndex; + nEndIndex = nClosestEndIndex; + + if ( !bInCell ) + return; + + EPosition aStartPos( nPara, nStartIndex ), aEndPos( nPara, nEndIndex ); + sal_Int32 nParaCount = rEE.GetParagraphCount(); + sal_Int32 nCrrntParaLen = rEE.GetTextLen(nPara); + //need to find closest index in front of nIndex in the previous paragraphs + if ( aStartPos.nIndex == 0 ) + { + SfxItemSet aCrrntSet = rEE.GetAttribs( nPara, 0, 1, GetAttribsFlags::CHARATTRIBS ); + for ( sal_Int32 nParaIdx = nPara-1; nParaIdx >= 0; nParaIdx-- ) + { + sal_uInt32 nLen = rEE.GetTextLen(nParaIdx); + if ( nLen ) + { + sal_Int32 nStartIdx, nEndIdx; + GetAttributeRun( nStartIdx, nEndIdx, rEE, nParaIdx, nLen ); + SfxItemSet aSet = rEE.GetAttribs( nParaIdx, nLen-1, nLen, GetAttribsFlags::CHARATTRIBS ); + if ( aSet == aCrrntSet ) + { + aStartPos.nPara = nParaIdx; + aStartPos.nIndex = nStartIdx; + if ( aStartPos.nIndex != 0 ) + { + break; + } + } + } + } + } + //need find closest index behind nIndex in the following paragraphs + if ( aEndPos.nIndex == nCrrntParaLen ) + { + SfxItemSet aCrrntSet = rEE.GetAttribs( nPara, nCrrntParaLen-1, nCrrntParaLen, GetAttribsFlags::CHARATTRIBS ); + for ( sal_Int32 nParaIdx = nPara+1; nParaIdx < nParaCount; nParaIdx++ ) + { + sal_Int32 nLen = rEE.GetTextLen( nParaIdx ); + if ( nLen ) + { + sal_Int32 nStartIdx, nEndIdx; + GetAttributeRun( nStartIdx, nEndIdx, rEE, nParaIdx, 0 ); + SfxItemSet aSet = rEE.GetAttribs( nParaIdx, 0, 1, GetAttribsFlags::CHARATTRIBS ); + if ( aSet == aCrrntSet ) + { + aEndPos.nPara = nParaIdx; + aEndPos.nIndex = nEndIdx; + if ( aEndPos.nIndex != nLen ) + { + break; + } + } + } + } + } + nStartIndex = 0; + if ( aStartPos.nPara > 0 ) + { + for ( sal_Int32 i = 0; i < aStartPos.nPara; i++ ) + { + nStartIndex += rEE.GetTextLen(i)+1; + } + } + nStartIndex += aStartPos.nIndex; + nEndIndex = 0; + if ( aEndPos.nPara > 0 ) + { + for ( sal_Int32 i = 0; i < aEndPos.nPara; i++ ) + { + nEndIndex += rEE.GetTextLen(i)+1; + } + } + nEndIndex += aEndPos.nIndex; +} + +Point SvxEditSourceHelper::EEToUserSpace( const Point& rPoint, const Size& rEESize, bool bIsVertical ) +{ + return bIsVertical ? Point( -rPoint.Y() + rEESize.Height(), rPoint.X() ) : rPoint; +} + +Point SvxEditSourceHelper::UserSpaceToEE( const Point& rPoint, const Size& rEESize, bool bIsVertical ) +{ + return bIsVertical ? Point( rPoint.Y(), -rPoint.X() + rEESize.Height() ) : rPoint; +} + +tools::Rectangle SvxEditSourceHelper::EEToUserSpace( const tools::Rectangle& rRect, const Size& rEESize, bool bIsVertical ) +{ + return bIsVertical ? tools::Rectangle( EEToUserSpace(rRect.BottomLeft(), rEESize, bIsVertical), + EEToUserSpace(rRect.TopRight(), rEESize, bIsVertical) ) : rRect; +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |