7e9c23894b
Change-Id: I9179b55eb27f1bf2f28c2c86f1e67f2a4daf4819 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/168341 Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com> Tested-by: Jenkins
316 lines
11 KiB
C++
316 lines
11 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 <viewopt.hxx>
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#include <IDocumentSettingAccess.hxx>
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#include <SwPortionHandler.hxx>
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#include "inftxt.hxx"
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#include "porexp.hxx"
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TextFrameIndex SwExpandPortion::GetModelPositionForViewPoint(const SwTwips nOfst) const
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{ return SwLinePortion::GetModelPositionForViewPoint( nOfst ); }
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bool SwExpandPortion::GetExpText( const SwTextSizeInfo&, OUString &rText ) const
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{
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rText.clear();
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// Do not do: return 0 != rText.Len();
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// Reason being: empty fields replace CH_TXTATR with an empty string
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return true;
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}
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void SwExpandPortion::HandlePortion( SwPortionHandler& rPH ) const
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{
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rPH.Special( GetLen(), OUString(), GetWhichPor() );
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}
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void SwExpandPortion::dumpAsXml(xmlTextWriterPtr pWriter, const OUString& rText,
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TextFrameIndex& nOffset) const
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{
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(void)xmlTextWriterStartElement(pWriter, BAD_CAST("SwExpandPortion"));
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dumpAsXmlAttributes(pWriter, rText, nOffset);
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nOffset += GetLen();
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(void)xmlTextWriterEndElement(pWriter);
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}
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SwPosSize SwExpandPortion::GetTextSize( const SwTextSizeInfo &rInf ) const
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{
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SwTextSlot aDiffText( &rInf, this, false, false );
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return rInf.GetTextSize();
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}
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bool SwExpandPortion::Format( SwTextFormatInfo &rInf )
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{
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SwTextSlot aDiffText( &rInf, this, true, false );
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TextFrameIndex const nFullLen = rInf.GetLen();
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// As odd as it may seem: the query for GetLen() must return
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// false due to the ExpandPortions _after_ the aDiffText (see SoftHyphs)
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// caused by the SetFull ...
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if( !nFullLen )
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{
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// Do not Init(), because we need height and ascent
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Width(0);
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return false;
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}
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return SwTextPortion::Format( rInf );
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}
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void SwExpandPortion::Paint( const SwTextPaintInfo &rInf ) const
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{
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rInf.DrawCSDFHighlighting(*this); // here it detects as CS and not DF
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SwTextSlot aDiffText( &rInf, this, true, true );
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const SwFont aOldFont = *rInf.GetFont();
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if( GetJoinBorderWithPrev() )
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const_cast<SwTextPaintInfo&>(rInf).GetFont()->SetLeftBorder(nullptr);
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if( GetJoinBorderWithNext() )
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const_cast<SwTextPaintInfo&>(rInf).GetFont()->SetRightBorder(nullptr);
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// rInf.DrawCSDFHighlighting(*this); // here it detects as DF and only the '/' is detected as CS
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rInf.DrawBackBrush( *this );
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rInf.DrawBorder( *this );
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// Do we have to repaint a post it portion?
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if( rInf.OnWin() && mpNextPortion && !mpNextPortion->Width() )
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mpNextPortion->PrePaint( rInf, this );
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// The contents of field portions is not considered during the
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// calculation of the directions. Therefore we let vcl handle
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// the calculation by removing the BIDI_STRONG_FLAG temporarily.
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SwLayoutModeModifier aLayoutModeModifier( *rInf.GetOut() );
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aLayoutModeModifier.SetAuto();
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// ST2
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if ( rInf.GetSmartTags() || rInf.GetGrammarCheckList() )
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rInf.DrawMarkedText( *this, rInf.GetLen(), false,
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nullptr != rInf.GetSmartTags(), nullptr != rInf.GetGrammarCheckList() );
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else
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rInf.DrawText( *this, rInf.GetLen() );
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if( GetJoinBorderWithPrev() || GetJoinBorderWithNext() )
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*const_cast<SwTextPaintInfo&>(rInf).GetFont() = aOldFont;
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}
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SwLinePortion *SwBlankPortion::Compress() { return this; }
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/**
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* If a Line is full of HardBlanks and overflows, we must not generate
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* underflows!
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* Causes problems with Fly
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*/
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sal_uInt16 SwBlankPortion::MayUnderflow( const SwTextFormatInfo &rInf,
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TextFrameIndex const nIdx, bool bUnderflow)
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{
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if( rInf.StopUnderflow() )
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return 0;
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const SwLinePortion *pPos = rInf.GetRoot();
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if( pPos->GetNextPortion() )
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pPos = pPos->GetNextPortion();
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while( pPos && pPos->IsBlankPortion() )
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pPos = pPos->GetNextPortion();
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if( !pPos || !rInf.GetIdx() || ( !pPos->GetLen() && pPos == rInf.GetRoot() ) )
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return 0; // There are just BlankPortions left
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// If a Blank is preceding us, we do not need to trigger underflow
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// If a Blank is succeeding us, we do not need to pass on the underflow
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if (bUnderflow
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&& nIdx + TextFrameIndex(1) < TextFrameIndex(rInf.GetText().getLength())
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&& CH_BLANK == rInf.GetText()[sal_Int32(nIdx) + 1])
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{
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return 0;
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}
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if( nIdx && !const_cast<SwTextFormatInfo&>(rInf).GetFly() )
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{
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while( pPos && !pPos->IsFlyPortion() )
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pPos = pPos->GetNextPortion();
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if( !pPos )
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{
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// We check to see if there are useful line breaks, blanks or fields etc. left
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// In case there still are some, no underflow
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// If there are Flys, we still allow the underflow
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TextFrameIndex nBlank = nIdx;
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while( --nBlank > rInf.GetLineStart() )
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{
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const sal_Unicode cCh = rInf.GetChar( nBlank );
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if( CH_BLANK == cCh ||
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(( CH_TXTATR_BREAKWORD == cCh || CH_TXTATR_INWORD == cCh )
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&& rInf.HasHint( nBlank ) ) )
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break;
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}
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if( nBlank <= rInf.GetLineStart() )
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return 0;
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}
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}
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if (nIdx < TextFrameIndex(2))
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return 1;
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sal_Unicode const cCh(rInf.GetChar(nIdx - TextFrameIndex(1)));
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if (CH_BLANK == cCh)
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return 1;
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if( CH_BREAK == cCh )
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return 0;
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return 2;
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}
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/**
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* Format End of Line
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*/
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void SwBlankPortion::FormatEOL( SwTextFormatInfo &rInf )
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{
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sal_uInt16 nMay = MayUnderflow( rInf, rInf.GetIdx() - mnLineLength, true );
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if( !nMay )
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return;
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if( nMay > 1 )
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{
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if( rInf.GetLast() == this )
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rInf.SetLast( FindPrevPortion( rInf.GetRoot() ) );
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rInf.X( rInf.X() - PrtWidth() );
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rInf.SetIdx( rInf.GetIdx() - GetLen() );
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}
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Truncate();
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rInf.SetUnderflow( this );
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if( rInf.GetLast()->IsKernPortion() )
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rInf.SetUnderflow( rInf.GetLast() );
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}
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/**
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* Pass on the underflows and trigger them ourselves!
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*/
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bool SwBlankPortion::Format( SwTextFormatInfo &rInf )
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{
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const bool bFull = rInf.IsUnderflow() || SwExpandPortion::Format( rInf );
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if( bFull && MayUnderflow( rInf, rInf.GetIdx(), rInf.IsUnderflow() ) )
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{
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Truncate();
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rInf.SetUnderflow( this );
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if( rInf.GetLast()->IsKernPortion() )
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rInf.SetUnderflow( rInf.GetLast() );
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}
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return bFull;
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}
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void SwBlankPortion::Paint( const SwTextPaintInfo &rInf ) const
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{
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// Draw field shade (can be disabled individually)
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if (!m_bMulti) // No gray background for multiportion brackets
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rInf.DrawViewOpt(*this, PortionType::Blank);
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SwExpandPortion::Paint(rInf);
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if (rInf.GetOpt().IsViewMetaChars() && rInf.GetOpt().IsHardBlank())
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{
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// Draw tilde or degree sign
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OUString aMarker = (m_cChar == CHAR_HARDBLANK ?
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rInf.GetTextFrame()->GetDoc().getIDocumentSettingAccess()
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.get(DocumentSettingId::USE_VARIABLE_WIDTH_NBSP)
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? u"~"_ustr
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: u"°"_ustr
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: u"-"_ustr); //CHAR_HARDHYPHEN
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SwPosSize aMarkerSize(rInf.GetTextSize(aMarker));
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Point aPos(rInf.GetPos());
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std::shared_ptr<SwRect> pPortionRect = std::make_shared<SwRect>();
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rInf.CalcRect(*this, pPortionRect.get());
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aPos.AdjustX((pPortionRect->Width() / 2) - (aMarkerSize.Width() / 2));
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SwTextPaintInfo aInf(rInf, &aMarker);
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aInf.SetPos(aPos);
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SwTextPortion aMarkerPor;
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aMarkerPor.Width(aMarkerSize.Width());
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aMarkerPor.Height(aMarkerSize.Height());
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aMarkerPor.SetAscent(GetAscent());
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Color colorBackup = aInf.GetFont()->GetColor();
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aInf.GetFont()->SetColor(NON_PRINTING_CHARACTER_COLOR);
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aInf.DrawText(aMarkerPor, TextFrameIndex(aMarker.getLength()), true);
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aInf.GetFont()->SetColor(colorBackup);
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}
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}
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bool SwBlankPortion::GetExpText( const SwTextSizeInfo& rInf, OUString &rText ) const
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{
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if (m_cChar == CHAR_HARDBLANK
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&& rInf.GetTextFrame()->GetDoc().getIDocumentSettingAccess().get(
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DocumentSettingId::USE_VARIABLE_WIDTH_NBSP))
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rText = OUString(CH_BLANK);
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else
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rText = OUString(m_cChar);
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return true;
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}
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void SwBlankPortion::HandlePortion( SwPortionHandler& rPH ) const
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{
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rPH.Special( GetLen(), OUString( m_cChar ), GetWhichPor() );
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}
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void SwBlankPortion::dumpAsXml(xmlTextWriterPtr pWriter, const OUString& rText,
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TextFrameIndex& nOffset) const
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{
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(void)xmlTextWriterStartElement(pWriter, BAD_CAST("SwBlankPortion"));
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dumpAsXmlAttributes(pWriter, rText, nOffset);
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nOffset += GetLen();
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(void)xmlTextWriterWriteAttribute(pWriter, BAD_CAST("char"),
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BAD_CAST(OUString(m_cChar).toUtf8().getStr()));
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(void)xmlTextWriterWriteAttribute(pWriter, BAD_CAST("multi"),
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BAD_CAST(OString::boolean(m_bMulti).getStr()));
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(void)xmlTextWriterEndElement(pWriter);
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}
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SwPostItsPortion::SwPostItsPortion( bool bScrpt )
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: m_bScript( bScrpt )
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{
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mnLineLength = TextFrameIndex(1);
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SetWhichPor( PortionType::PostIts );
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}
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void SwPostItsPortion::Paint( const SwTextPaintInfo &rInf ) const
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{
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if( rInf.OnWin() && Width() )
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rInf.DrawPostIts( IsScript() );
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}
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SwTwips SwPostItsPortion::GetViewWidth(const SwTextSizeInfo& rInf) const
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{
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// Unbelievable: PostIts are always visible
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return rInf.OnWin() ? SwViewOption::GetPostItsWidth( rInf.GetOut() ) : 0;
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}
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bool SwPostItsPortion::Format( SwTextFormatInfo &rInf )
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{
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const bool bRet = SwLinePortion::Format( rInf );
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// PostIts should not have an effect on line height etc.
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SetAscent( 1 );
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Height( 1 );
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return bRet;
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}
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bool SwPostItsPortion::GetExpText( const SwTextSizeInfo &rInf, OUString &rText ) const
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{
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if( rInf.OnWin() && rInf.GetOpt().IsPostIts() )
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rText = " ";
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else
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rText.clear();
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return true;
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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