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libreoffice/editeng/source/uno/unoedhlp.cxx
Daniel Baumann 8e63e14cf6
Adding upstream version 4:25.2.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-22 16:20:04 +02:00

250 lines
9 KiB
C++

/* -*- 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_Int32 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>( SfxHintId::NONE );
}
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(nIndex2, aTempCharAttribs[nAttr].nStart);
aCharAttribs.insert(aCharAttribs.begin() + nAttr, aEEAttr);
}
nIndex2 = aTempCharAttribs[nAttr].nEnd;
aCharAttribs.push_back(aTempCharAttribs[nAttr]);
}
if ( nIndex2 != nParaLen )
{
EECharAttrib aEEAttr(nIndex2, 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;
EPaM 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: */