300 lines
9.6 KiB
C++
300 lines
9.6 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 <algorithm>
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#include <com/sun/star/i18n/ScriptType.hpp>
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#include <editeng/langitem.hxx>
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#include <editeng/scripttypeitem.hxx>
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#include <vcl/keycodes.hxx>
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#include <vcl/cmdevt.hxx>
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#include <hintids.hxx>
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#include <extinput.hxx>
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#include <doc.hxx>
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#include <IDocumentUndoRedo.hxx>
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#include <index.hxx>
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#include <ndtxt.hxx>
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#include <txtfrm.hxx>
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#include <swundo.hxx>
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using namespace ::com::sun::star;
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SwExtTextInput::SwExtTextInput( const SwPaM& rPam, Ring* pRing )
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: SwPaM( *rPam.GetPoint(), (SwPaM*)pRing ),
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eInputLanguage(LANGUAGE_DONTKNOW)
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{
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bIsOverwriteCursor = sal_False;
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bInsText = sal_True;
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}
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SwExtTextInput::~SwExtTextInput()
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{
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SwDoc *const pDoc = GetDoc();
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if (pDoc->IsInDtor()) { return; /* #i58606# */ }
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SwTxtNode* pTNd = GetPoint()->nNode.GetNode().GetTxtNode();
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if( pTNd )
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{
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SwIndex& rIdx = GetPoint()->nContent;
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sal_Int32 nSttCnt = rIdx.GetIndex();
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sal_Int32 nEndCnt = GetMark()->nContent.GetIndex();
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if( nEndCnt != nSttCnt )
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{
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if( nEndCnt < nSttCnt )
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{
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std::swap(nSttCnt, nEndCnt);
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}
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// In order to get Undo/Redlining etc. working correctly,
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// we need to go through the Doc interface
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if(eInputLanguage != LANGUAGE_DONTKNOW)
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{
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// #i41974# Only set language attribute
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// for CJK/CTL scripts.
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bool bLang = true;
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sal_uInt16 nWhich = RES_CHRATR_LANGUAGE;
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switch(GetI18NScriptTypeOfLanguage(eInputLanguage))
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{
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case i18n::ScriptType::ASIAN: nWhich = RES_CHRATR_CJK_LANGUAGE; break;
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case i18n::ScriptType::COMPLEX: nWhich = RES_CHRATR_CTL_LANGUAGE; break;
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default: bLang = false;
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}
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if ( bLang )
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{
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SvxLanguageItem aLangItem( eInputLanguage, nWhich );
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pDoc->InsertPoolItem(*this, aLangItem, 0 );
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}
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}
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rIdx = nSttCnt;
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const OUString sTxt( pTNd->GetTxt().copy(nSttCnt, nEndCnt - nSttCnt));
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if( bIsOverwriteCursor && !sOverwriteText.isEmpty() )
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{
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const sal_Int32 nLen = sTxt.getLength();
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const sal_Int32 nOWLen = sOverwriteText.getLength();
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if( nLen > nOWLen )
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{
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rIdx += nOWLen;
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pTNd->EraseText( rIdx, nLen - nOWLen );
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rIdx = nSttCnt;
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pTNd->ReplaceText( rIdx, nOWLen, sOverwriteText );
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if( bInsText )
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{
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rIdx = nSttCnt;
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pDoc->GetIDocumentUndoRedo().StartUndo( UNDO_OVERWRITE, NULL );
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pDoc->Overwrite( *this, sTxt.copy( 0, nOWLen ) );
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pDoc->InsertString( *this, sTxt.copy( nOWLen ) );
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pDoc->GetIDocumentUndoRedo().EndUndo( UNDO_OVERWRITE, NULL );
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}
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}
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else
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{
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pTNd->ReplaceText( rIdx, nLen, sOverwriteText.copy( 0, nLen ));
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if( bInsText )
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{
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rIdx = nSttCnt;
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pDoc->Overwrite( *this, sTxt );
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}
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}
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}
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else
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{
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pTNd->EraseText( rIdx, nEndCnt - nSttCnt );
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if( bInsText )
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{
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pDoc->InsertString( *this, sTxt );
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}
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}
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}
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}
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}
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void SwExtTextInput::SetInputData( const CommandExtTextInputData& rData )
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{
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SwTxtNode* pTNd = GetPoint()->nNode.GetNode().GetTxtNode();
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if( pTNd )
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{
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sal_Int32 nSttCnt = GetPoint()->nContent.GetIndex();
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sal_Int32 nEndCnt = GetMark()->nContent.GetIndex();
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if( nEndCnt < nSttCnt )
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{
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std::swap(nSttCnt, nEndCnt);
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}
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SwIndex aIdx( pTNd, nSttCnt );
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const OUString rNewStr = rData.GetText();
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if( bIsOverwriteCursor && !sOverwriteText.isEmpty() )
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{
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sal_Int32 nReplace = nEndCnt - nSttCnt;
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const sal_Int32 nNewLen = rNewStr.getLength();
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if( nNewLen < nReplace )
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{
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// We have to insert some characters from the saved original text
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nReplace -= nNewLen;
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aIdx += nNewLen;
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pTNd->ReplaceText( aIdx, nReplace,
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sOverwriteText.copy( nNewLen, nReplace ));
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aIdx = nSttCnt;
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nReplace = nNewLen;
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}
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else
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{
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const sal_Int32 nOWLen = sOverwriteText.getLength();
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if( nOWLen < nReplace )
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{
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aIdx += nOWLen;
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pTNd->EraseText( aIdx, nReplace-nOWLen );
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aIdx = nSttCnt;
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nReplace = nOWLen;
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}
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else
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{
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nReplace = std::min(nOWLen, nNewLen);
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}
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}
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pTNd->ReplaceText( aIdx, nReplace, rNewStr );
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if( !HasMark() )
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SetMark();
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GetMark()->nContent = aIdx;
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}
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else
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{
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if( nSttCnt < nEndCnt )
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{
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pTNd->EraseText( aIdx, nEndCnt - nSttCnt );
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}
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pTNd->InsertText( rNewStr, aIdx,
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IDocumentContentOperations::INS_EMPTYEXPAND );
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if( !HasMark() )
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SetMark();
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}
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GetPoint()->nContent = nSttCnt;
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aAttrs.clear();
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if( rData.GetTextAttr() )
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{
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const sal_uInt16 *pAttrs = rData.GetTextAttr();
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aAttrs.insert( aAttrs.begin(), pAttrs, pAttrs + rData.GetText().getLength() );
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}
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}
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}
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void SwExtTextInput::SetOverwriteCursor( sal_Bool bFlag )
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{
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bIsOverwriteCursor = bFlag;
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if (!bIsOverwriteCursor)
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return;
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const SwTxtNode *const pTNd = GetPoint()->nNode.GetNode().GetTxtNode();
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if (pTNd)
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{
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const sal_Int32 nSttCnt = GetPoint()->nContent.GetIndex();
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const sal_Int32 nEndCnt = GetMark()->nContent.GetIndex();
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sOverwriteText = pTNd->GetTxt().copy( std::min(nSttCnt, nEndCnt) );
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if( !sOverwriteText.isEmpty() )
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{
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const sal_Int32 nInPos = sOverwriteText.indexOf( CH_TXTATR_INWORD );
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const sal_Int32 nBrkPos = sOverwriteText.indexOf( CH_TXTATR_BREAKWORD );
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// Find the first attr found, if any.
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sal_Int32 nPos = std::min(nInPos, nBrkPos);
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if (nPos<0)
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{
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nPos = std::max(nInPos, nBrkPos);
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}
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if (nPos>=0)
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{
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sOverwriteText = sOverwriteText.copy( 0, nPos );
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}
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}
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}
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}
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// The Doc interfaces
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SwExtTextInput* SwDoc::CreateExtTextInput( const SwPaM& rPam )
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{
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SwExtTextInput* pNew = new SwExtTextInput( rPam, mpExtInputRing );
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if( !mpExtInputRing )
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mpExtInputRing = pNew;
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pNew->SetMark();
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return pNew;
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}
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void SwDoc::DeleteExtTextInput( SwExtTextInput* pDel )
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{
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if( pDel == mpExtInputRing )
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{
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if( pDel->GetNext() != mpExtInputRing )
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mpExtInputRing = (SwPaM*)pDel->GetNext();
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else
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mpExtInputRing = 0;
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}
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delete pDel;
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}
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SwExtTextInput* SwDoc::GetExtTextInput( const SwNode& rNd,
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sal_Int32 nCntntPos ) const
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{
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SwExtTextInput* pRet = 0;
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if( mpExtInputRing )
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{
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sal_uLong nNdIdx = rNd.GetIndex();
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SwExtTextInput* pTmp = (SwExtTextInput*)mpExtInputRing;
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do {
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sal_uLong nPt = pTmp->GetPoint()->nNode.GetIndex(),
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nMk = pTmp->GetMark()->nNode.GetIndex();
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sal_Int32 nPtCnt = pTmp->GetPoint()->nContent.GetIndex();
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sal_Int32 nMkCnt = pTmp->GetMark()->nContent.GetIndex();
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if( nPt < nMk || ( nPt == nMk && nPtCnt < nMkCnt ))
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{
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sal_uLong nTmp = nMk; nMk = nPt; nPt = nTmp;
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sal_Int32 nTmp2 = nMkCnt; nMkCnt = nPtCnt; nPtCnt = nTmp2;
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}
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if( nMk <= nNdIdx && nNdIdx <= nPt &&
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( nCntntPos<0 ||
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( nMkCnt <= nCntntPos && nCntntPos <= nPtCnt )))
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{
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pRet = pTmp;
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break;
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}
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pTmp = static_cast<SwExtTextInput*>(pTmp->GetNext());
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} while ( pTmp!=mpExtInputRing );
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}
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return pRet;
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}
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SwExtTextInput* SwDoc::GetExtTextInput() const
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{
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OSL_ENSURE( !mpExtInputRing || mpExtInputRing == mpExtInputRing->GetNext(),
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"more then one InputEngine available" );
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return (SwExtTextInput*)mpExtInputRing;
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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