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/* -*- 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 <algorithm>
#include <com/sun/star/i18n/ScriptType.hpp>
#include <editeng/langitem.hxx>
#include <osl/diagnose.h>
#include <svl/languageoptions.hxx>
#include <vcl/commandevent.hxx>
#include <hintids.hxx>
#include <extinput.hxx>
#include <doc.hxx>
#include <IDocumentUndoRedo.hxx>
#include <index.hxx>
#include <ndtxt.hxx>
#include <swundo.hxx>
using namespace ::com::sun::star;
SwExtTextInput::SwExtTextInput( const SwPaM& rPam, Ring* pRing )
: SwPaM( *rPam.GetPoint(), static_cast<SwPaM*>(pRing) ),
m_eInputLanguage(LANGUAGE_DONTKNOW)
{
m_bIsOverwriteCursor = false;
m_bInsText = true;
}
SwExtTextInput::~SwExtTextInput()
{
SwDoc *const pDoc = GetDoc();
if (pDoc->IsInDtor()) { return; /* #i58606# */ }
SwTextNode* pTNd = GetPoint()->nNode.GetNode().GetTextNode();
if( pTNd )
{
SwIndex& rIdx = GetPoint()->nContent;
sal_Int32 nSttCnt = rIdx.GetIndex();
sal_Int32 nEndCnt = GetMark()->nContent.GetIndex();
if( nEndCnt != nSttCnt )
{
// Prevent IME edited text being grouped with non-IME edited text.
bool bKeepGroupUndo = pDoc->GetIDocumentUndoRedo().DoesGroupUndo();
pDoc->GetIDocumentUndoRedo().DoGroupUndo(false);
if( nEndCnt < nSttCnt )
{
std::swap(nSttCnt, nEndCnt);
}
// In order to get Undo/Redlining etc. working correctly,
// we need to go through the Doc interface
rIdx = nSttCnt;
const OUString sText( pTNd->GetText().copy(nSttCnt, nEndCnt - nSttCnt));
if( m_bIsOverwriteCursor && !m_sOverwriteText.isEmpty() )
{
const sal_Int32 nLen = sText.getLength();
const sal_Int32 nOWLen = m_sOverwriteText.getLength();
if( nLen > nOWLen )
{
rIdx += nOWLen;
pTNd->EraseText( rIdx, nLen - nOWLen );
rIdx = nSttCnt;
pTNd->ReplaceText( rIdx, nOWLen, m_sOverwriteText );
if( m_bInsText )
{
rIdx = nSttCnt;
pDoc->GetIDocumentUndoRedo().StartUndo( SwUndoId::OVERWRITE, nullptr );
pDoc->getIDocumentContentOperations().Overwrite( *this, sText.copy( 0, nOWLen ) );
pDoc->getIDocumentContentOperations().InsertString( *this, sText.copy( nOWLen ) );
pDoc->GetIDocumentUndoRedo().EndUndo( SwUndoId::OVERWRITE, nullptr );
}
}
else
{
pTNd->ReplaceText( rIdx, nLen, m_sOverwriteText.copy( 0, nLen ));
if( m_bInsText )
{
rIdx = nSttCnt;
pDoc->getIDocumentContentOperations().Overwrite( *this, sText );
}
}
}
else
{
pTNd->EraseText( rIdx, nEndCnt - nSttCnt );
if( m_bInsText )
{
pDoc->getIDocumentContentOperations().InsertString( *this, sText );
}
}
pDoc->GetIDocumentUndoRedo().DoGroupUndo(bKeepGroupUndo);
if (m_eInputLanguage != LANGUAGE_DONTKNOW)
{
sal_uInt16 nWhich = RES_CHRATR_LANGUAGE;
sal_Int16 nScriptType = SvtLanguageOptions::GetI18NScriptTypeOfLanguage(m_eInputLanguage);
switch(nScriptType)
{
case i18n::ScriptType::ASIAN:
nWhich = RES_CHRATR_CJK_LANGUAGE; break;
case i18n::ScriptType::COMPLEX:
nWhich = RES_CHRATR_CTL_LANGUAGE; break;
}
// #i41974# Only set language attribute for CJK/CTL scripts.
if (RES_CHRATR_LANGUAGE != nWhich && pTNd->GetLang( nSttCnt, nEndCnt-nSttCnt, nScriptType) != m_eInputLanguage)
{
SvxLanguageItem aLangItem( m_eInputLanguage, nWhich );
rIdx = nSttCnt;
GetMark()->nContent = nEndCnt;
pDoc->getIDocumentContentOperations().InsertPoolItem(*this, aLangItem );
}
}
}
}
}
void SwExtTextInput::SetInputData( const CommandExtTextInputData& rData )
{
SwTextNode* pTNd = GetPoint()->nNode.GetNode().GetTextNode();
if( pTNd )
{
sal_Int32 nSttCnt = GetPoint()->nContent.GetIndex();
sal_Int32 nEndCnt = GetMark()->nContent.GetIndex();
if( nEndCnt < nSttCnt )
{
std::swap(nSttCnt, nEndCnt);
}
SwIndex aIdx( pTNd, nSttCnt );
const OUString& rNewStr = rData.GetText();
if( m_bIsOverwriteCursor && !m_sOverwriteText.isEmpty() )
{
sal_Int32 nReplace = nEndCnt - nSttCnt;
const sal_Int32 nNewLen = rNewStr.getLength();
if( nNewLen < nReplace )
{
// We have to insert some characters from the saved original text
nReplace -= nNewLen;
aIdx += nNewLen;
pTNd->ReplaceText( aIdx, nReplace,
m_sOverwriteText.copy( nNewLen, nReplace ));
aIdx = nSttCnt;
nReplace = nNewLen;
}
else
{
const sal_Int32 nOWLen = m_sOverwriteText.getLength();
if( nOWLen < nReplace )
{
aIdx += nOWLen;
pTNd->EraseText( aIdx, nReplace-nOWLen );
aIdx = nSttCnt;
nReplace = nOWLen;
}
else
{
nReplace = std::min(nOWLen, nNewLen);
}
}
pTNd->ReplaceText( aIdx, nReplace, rNewStr );
if( !HasMark() )
SetMark();
GetMark()->nContent = aIdx;
}
else
{
if( nSttCnt < nEndCnt )
{
pTNd->EraseText( aIdx, nEndCnt - nSttCnt );
}
pTNd->InsertText( rNewStr, aIdx,
SwInsertFlags::EMPTYEXPAND );
if( !HasMark() )
SetMark();
}
GetPoint()->nContent = nSttCnt;
m_aAttrs.clear();
if( rData.GetTextAttr() )
{
const ExtTextInputAttr *pAttrs = rData.GetTextAttr();
m_aAttrs.insert( m_aAttrs.begin(), pAttrs, pAttrs + rData.GetText().getLength() );
}
}
}
void SwExtTextInput::SetOverwriteCursor( bool bFlag )
{
m_bIsOverwriteCursor = bFlag;
if (!m_bIsOverwriteCursor)
return;
const SwTextNode *const pTNd = GetPoint()->nNode.GetNode().GetTextNode();
if (pTNd)
{
const sal_Int32 nSttCnt = GetPoint()->nContent.GetIndex();
const sal_Int32 nEndCnt = GetMark()->nContent.GetIndex();
m_sOverwriteText = pTNd->GetText().copy( std::min(nSttCnt, nEndCnt) );
if( !m_sOverwriteText.isEmpty() )
{
const sal_Int32 nInPos = m_sOverwriteText.indexOf( CH_TXTATR_INWORD );
const sal_Int32 nBrkPos = m_sOverwriteText.indexOf( CH_TXTATR_BREAKWORD );
// Find the first attr found, if any.
sal_Int32 nPos = std::min(nInPos, nBrkPos);
if (nPos<0)
{
nPos = std::max(nInPos, nBrkPos);
}
if (nPos>=0)
{
m_sOverwriteText = m_sOverwriteText.copy( 0, nPos );
}
}
}
}
// The Doc interfaces
SwExtTextInput* SwDoc::CreateExtTextInput( const SwPaM& rPam )
{
SwExtTextInput* pNew = new SwExtTextInput( rPam, mpExtInputRing );
if( !mpExtInputRing )
mpExtInputRing = pNew;
pNew->SetMark();
return pNew;
}
void SwDoc::DeleteExtTextInput( SwExtTextInput* pDel )
{
if( pDel == mpExtInputRing )
{
if( pDel->GetNext() != mpExtInputRing )
mpExtInputRing = pDel->GetNext();
else
mpExtInputRing = nullptr;
}
delete pDel;
}
SwExtTextInput* SwDoc::GetExtTextInput( const SwNode& rNd,
sal_Int32 nContentPos ) const
{
SwExtTextInput* pRet = nullptr;
if( mpExtInputRing )
{
sal_uLong nNdIdx = rNd.GetIndex();
SwExtTextInput* pTmp = mpExtInputRing;
do {
sal_uLong nPt = pTmp->GetPoint()->nNode.GetIndex(),
nMk = pTmp->GetMark()->nNode.GetIndex();
sal_Int32 nPtCnt = pTmp->GetPoint()->nContent.GetIndex();
sal_Int32 nMkCnt = pTmp->GetMark()->nContent.GetIndex();
if( nPt < nMk || ( nPt == nMk && nPtCnt < nMkCnt ))
{
sal_uLong nTmp = nMk; nMk = nPt; nPt = nTmp;
sal_Int32 nTmp2 = nMkCnt; nMkCnt = nPtCnt; nPtCnt = nTmp2;
}
if( nMk <= nNdIdx && nNdIdx <= nPt &&
( nContentPos<0 ||
( nMkCnt <= nContentPos && nContentPos <= nPtCnt )))
{
pRet = pTmp;
break;
}
pTmp = pTmp->GetNext();
} while ( pTmp!=mpExtInputRing );
}
return pRet;
}
SwExtTextInput* SwDoc::GetExtTextInput() const
{
OSL_ENSURE( !mpExtInputRing || !mpExtInputRing->IsMultiSelection(),
"more than one InputEngine available" );
return mpExtInputRing;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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