f97008c50f
This would assert: frminf.cxx:139: void AddRange(): Assertion `rRanges.empty() || rRanges.back().second <= nPos' failed. Change-Id: Ib41f4c6c971fee9307140c108e74d5df7d94c973 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/168824 Tested-by: Jenkins Reviewed-by: Michael Stahl <michael.stahl@allotropia.de>
292 lines
9.3 KiB
C++
292 lines
9.3 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 <sal/config.h>
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#include <frminf.hxx>
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#include "itrtxt.hxx"
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TextFrameIndex SwTextMargin::GetTextStart() const
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{
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const OUString &rText = GetInfo().GetText();
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const TextFrameIndex nEnd = m_nStart + m_pCurr->GetLen();
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for (TextFrameIndex i = m_nStart; i < nEnd; ++i)
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{
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const sal_Unicode aChar = rText[sal_Int32(i)];
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if( CH_TAB != aChar && ' ' != aChar )
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return i;
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}
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return nEnd;
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}
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TextFrameIndex SwTextMargin::GetTextEnd() const
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{
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const OUString &rText = GetInfo().GetText();
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const TextFrameIndex nEnd = m_nStart + m_pCurr->GetLen();
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for (TextFrameIndex i = nEnd - TextFrameIndex(1); i >= m_nStart; --i)
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{
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const sal_Unicode aChar = rText[sal_Int32(i)];
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if( CH_TAB != aChar && CH_BREAK != aChar && ' ' != aChar )
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return i + TextFrameIndex(1);
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}
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return m_nStart;
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}
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// Does the paragraph fit into one line?
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bool SwTextFrameInfo::IsOneLine() const
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{
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const SwLineLayout *pLay = m_pFrame->GetPara();
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if( !pLay )
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return false;
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// For follows false of course
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if( m_pFrame->GetFollow() )
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return false;
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pLay = pLay->GetNext();
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while( pLay )
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{
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if( pLay->GetLen() )
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return false;
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pLay = pLay->GetNext();
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}
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return true;
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}
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// Is the line filled for X percent?
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bool SwTextFrameInfo::IsFilled( const sal_uInt8 nPercent ) const
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{
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const SwLineLayout *pLay = m_pFrame->GetPara();
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if( !pLay )
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return false;
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tools::Long nWidth = m_pFrame->getFramePrintArea().Width();
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nWidth *= nPercent;
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nWidth /= 100;
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return nWidth <= pLay->Width();
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}
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// Where does the text start (without whitespace)? (document global)
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SwTwips SwTextFrameInfo::GetLineStart( const SwTextCursor &rLine )
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{
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const TextFrameIndex nTextStart = rLine.GetTextStart();
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if( rLine.GetStart() == nTextStart )
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return rLine.GetLineStart();
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SwRect aRect;
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const_cast<SwTextCursor&>(rLine).GetCharRect( &aRect, nTextStart );
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return aRect.Left();
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}
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// Where does the text start (without whitespace)? (relative in the Frame)
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SwTwips SwTextFrameInfo::GetLineStart() const
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{
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SwTextSizeInfo aInf( const_cast<SwTextFrame*>(m_pFrame) );
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SwTextCursor aLine( const_cast<SwTextFrame*>(m_pFrame), &aInf );
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return GetLineStart( aLine ) - m_pFrame->getFrameArea().Left() - m_pFrame->getFramePrintArea().Left();
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}
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// Calculates the character's position and returns the middle position
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SwTwips SwTextFrameInfo::GetCharPos(TextFrameIndex const nChar, bool bCenter) const
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{
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SwRectFnSet aRectFnSet(m_pFrame);
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SwFrameSwapper aSwapper( m_pFrame, true );
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SwTextSizeInfo aInf( const_cast<SwTextFrame*>(m_pFrame) );
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SwTextCursor aLine( const_cast<SwTextFrame*>(m_pFrame), &aInf );
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SwTwips nStt, nNext;
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SwRect aRect;
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aLine.GetCharRect( &aRect, nChar );
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if ( aRectFnSet.IsVert() )
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m_pFrame->SwitchHorizontalToVertical( aRect );
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nStt = aRectFnSet.GetLeft(aRect);
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if( !bCenter )
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return nStt - aRectFnSet.GetLeft(m_pFrame->getFrameArea());
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aLine.GetCharRect( &aRect, nChar + TextFrameIndex(1) );
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if ( aRectFnSet.IsVert() )
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m_pFrame->SwitchHorizontalToVertical( aRect );
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nNext = aRectFnSet.GetLeft(aRect);
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return (( nNext + nStt ) / 2 ) - aRectFnSet.GetLeft(m_pFrame->getFrameArea());
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}
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static void
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AddRange(std::vector<std::pair<TextFrameIndex, TextFrameIndex>> & rRanges,
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TextFrameIndex const nPos, TextFrameIndex const nLen)
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{
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assert(rRanges.empty() || rRanges.back().second <= nPos);
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if( nLen )
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{
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if (!rRanges.empty() && nPos == rRanges.back().second)
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{
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rRanges.back().second += nLen;
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}
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else
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{
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rRanges.emplace_back(nPos, nPos + nLen);
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}
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}
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}
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// Accumulates the whitespace at line start and end in the vector
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void SwTextFrameInfo::GetSpaces(
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std::vector<std::pair<TextFrameIndex, TextFrameIndex>> & rRanges,
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bool const bWithLineBreak) const
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{
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SwTextSizeInfo aInf( const_cast<SwTextFrame*>(m_pFrame) );
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SwTextMargin aLine( const_cast<SwTextFrame*>(m_pFrame), &aInf );
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bool bFirstLine = true;
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do {
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if( aLine.GetCurr()->GetLen() )
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{
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TextFrameIndex nPos = aLine.GetTextStart();
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// Do NOT include the blanks/tabs from the first line
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// in the selection
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if( !bFirstLine && nPos > aLine.GetStart() )
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AddRange( rRanges, aLine.GetStart(), nPos - aLine.GetStart() );
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// Do NOT include the blanks/tabs from the last line
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// in the selection
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if( aLine.GetNext() )
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{
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TextFrameIndex const nEndPos{aLine.GetTextEnd()};
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// if only whitespace in line, nEndPos < nPos !
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if (nPos < nEndPos && nEndPos < aLine.GetEnd())
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{
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TextFrameIndex const nOff( !bWithLineBreak && CH_BREAK ==
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aLine.GetInfo().GetChar(aLine.GetEnd() - TextFrameIndex(1))
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? 1 : 0 );
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AddRange(rRanges, nEndPos, aLine.GetEnd() - nEndPos - nOff);
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}
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}
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}
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bFirstLine = false;
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}
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while( aLine.Next() );
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}
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// Is there a bullet/symbol etc. at the text position?
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// Fonts: CharSet, SYMBOL and DONTKNOW
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bool SwTextFrameInfo::IsBullet(TextFrameIndex const nTextStart) const
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{
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SwTextSizeInfo aInf( const_cast<SwTextFrame*>(m_pFrame) );
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SwTextMargin aLine( const_cast<SwTextFrame*>(m_pFrame), &aInf );
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aInf.SetIdx( nTextStart );
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return aLine.IsSymbol( nTextStart );
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}
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// Get first line indent
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// The precondition for a positive or negative first line indent:
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// All lines (except for the first one) have the same left margin.
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// We do not want to be so picky and work with a tolerance of TOLERANCE twips.
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SwTwips SwTextFrameInfo::GetFirstIndent() const
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{
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SwTextSizeInfo aInf( const_cast<SwTextFrame*>(m_pFrame) );
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SwTextCursor aLine( const_cast<SwTextFrame*>(m_pFrame), &aInf );
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const SwTwips nFirst = GetLineStart( aLine );
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const SwTwips TOLERANCE = 20;
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if( !aLine.Next() )
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return 0;
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SwTwips nLeft = GetLineStart( aLine );
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while( aLine.Next() )
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{
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if( aLine.GetCurr()->GetLen() )
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{
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const SwTwips nCurrLeft = GetLineStart( aLine );
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if( nLeft + TOLERANCE < nCurrLeft ||
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nLeft - TOLERANCE > nCurrLeft )
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return 0;
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}
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}
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// At first we only return +1, -1 and 0
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if( nLeft == nFirst )
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return 0;
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if( nLeft > nFirst )
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return -1;
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return 1;
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}
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sal_Int32 SwTextFrameInfo::GetBigIndent(TextFrameIndex& rFndPos,
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const SwTextFrame *pNextFrame ) const
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{
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SwTextSizeInfo aInf( const_cast<SwTextFrame*>(m_pFrame) );
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SwTextCursor aLine( const_cast<SwTextFrame*>(m_pFrame), &aInf );
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SwTwips nNextIndent = 0;
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if( pNextFrame )
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{
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// I'm a single line
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SwTextSizeInfo aNxtInf( const_cast<SwTextFrame*>(pNextFrame) );
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SwTextCursor aNxtLine( const_cast<SwTextFrame*>(pNextFrame), &aNxtInf );
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nNextIndent = GetLineStart( aNxtLine );
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}
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else
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{
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// I'm multi-line
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if( aLine.Next() )
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{
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nNextIndent = GetLineStart( aLine );
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aLine.Prev();
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}
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}
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if( nNextIndent <= GetLineStart( aLine ) )
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return 0;
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const Point aPoint( nNextIndent, aLine.Y() );
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rFndPos = aLine.GetModelPositionForViewPoint( nullptr, aPoint, false );
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if (TextFrameIndex(1) >= rFndPos)
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return 0;
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// Is on front of a non-space
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const OUString& rText = aInf.GetText();
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sal_Unicode aChar = rText[sal_Int32(rFndPos)];
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if( CH_TAB == aChar || CH_BREAK == aChar || ' ' == aChar ||
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(( CH_TXTATR_BREAKWORD == aChar || CH_TXTATR_INWORD == aChar ) &&
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aInf.HasHint( rFndPos ) ) )
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return 0;
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// and after a space
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aChar = rText[sal_Int32(rFndPos) - 1];
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if( CH_TAB != aChar && CH_BREAK != aChar &&
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( ( CH_TXTATR_BREAKWORD != aChar && CH_TXTATR_INWORD != aChar ) ||
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!aInf.HasHint(rFndPos - TextFrameIndex(1))) &&
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// More than two Blanks!
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(' ' != aChar || ' ' != rText[sal_Int32(rFndPos) - 2]))
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return 0;
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SwRect aRect;
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aLine.GetCharRect( &aRect, rFndPos );
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return static_cast<sal_Int32>(aRect.Left() - m_pFrame->getFrameArea().Left() - m_pFrame->getFramePrintArea().Left());
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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