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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 <viewopt.hxx>
#include <SwPortionHandler.hxx>
#include <inftxt.hxx>
#include <porexp.hxx>
sal_Int32 SwExpandPortion::GetCursorOfst( const sal_uInt16 nOfst ) const
{ return SwLinePortion::GetCursorOfst( nOfst ); }
bool SwExpandPortion::GetExpText( const SwTextSizeInfo&, OUString &rText ) const
{
rText.clear();
// Do not do: return 0 != rText.Len();
// Reason being: empty fields replace CH_TXTATR with an empty string
return true;
}
void SwExpandPortion::HandlePortion( SwPortionHandler& rPH ) const
{
rPH.Special( GetLen(), OUString(), GetWhichPor() );
}
SwPosSize SwExpandPortion::GetTextSize( const SwTextSizeInfo &rInf ) const
{
SwTextSlot aDiffText( &rInf, this, false, false );
return rInf.GetTextSize();
}
bool SwExpandPortion::Format( SwTextFormatInfo &rInf )
{
SwTextSlot aDiffText( &rInf, this, true, false );
const sal_Int32 nFullLen = rInf.GetLen();
// As odd as it may seem: the query for GetLen() must return
// false due to the ExpandPortions _after_ the aDiffText (see SoftHyphs)
// caused by the SetFull ...
if( !nFullLen )
{
// Do not Init(), because we need height and ascent
Width(0);
return false;
}
return SwTextPortion::Format( rInf );
}
void SwExpandPortion::Paint( const SwTextPaintInfo &rInf ) const
{
SwTextSlot aDiffText( &rInf, this, true, true );
const SwFont aOldFont = *rInf.GetFont();
if( GetJoinBorderWithPrev() )
const_cast<SwTextPaintInfo&>(rInf).GetFont()->SetLeftBorder(nullptr);
if( GetJoinBorderWithNext() )
const_cast<SwTextPaintInfo&>(rInf).GetFont()->SetRightBorder(nullptr);
rInf.DrawBackBrush( *this );
rInf.DrawBorder( *this );
// Do we have to repaint a post it portion?
if( rInf.OnWin() && pPortion && !pPortion->Width() )
pPortion->PrePaint( rInf, this );
// The contents of field portions is not considered during the
// calculation of the directions. Therefore we let vcl handle
// the calculation by removing the BIDI_STRONG_FLAG temporarily.
SwLayoutModeModifier aLayoutModeModifier( *rInf.GetOut() );
aLayoutModeModifier.SetAuto();
// ST2
if ( rInf.GetSmartTags() || rInf.GetGrammarCheckList() )
rInf.DrawMarkedText( *this, rInf.GetLen(), false, false,
nullptr != rInf.GetSmartTags(), nullptr != rInf.GetGrammarCheckList() );
else
rInf.DrawText( *this, rInf.GetLen() );
if( GetJoinBorderWithPrev() || GetJoinBorderWithNext() )
*const_cast<SwTextPaintInfo&>(rInf).GetFont() = aOldFont;
}
SwLinePortion *SwBlankPortion::Compress() { return this; }
/**
* If a Line is full of HardBlanks and overflows, we must not generate
* underflows!
* Causes problems with Fly
*/
sal_uInt16 SwBlankPortion::MayUnderflow( const SwTextFormatInfo &rInf,
sal_Int32 nIdx, bool bUnderflow )
{
if( rInf.StopUnderflow() )
return 0;
const SwLinePortion *pPos = rInf.GetRoot();
if( pPos->GetPortion() )
pPos = pPos->GetPortion();
while( pPos && pPos->IsBlankPortion() )
pPos = pPos->GetPortion();
if( !pPos || !rInf.GetIdx() || ( !pPos->GetLen() && pPos == rInf.GetRoot() ) )
return 0; // There are just BlankPortions left
// If a Blank is preceding us, we do not need to trigger underflow
// If a Blank is succeeding us, we do not need to pass on the underflow
if (bUnderflow && nIdx + 1 < rInf.GetText().getLength() && CH_BLANK == rInf.GetText()[nIdx + 1])
return 0;
if( nIdx && !const_cast<SwTextFormatInfo&>(rInf).GetFly() )
{
while( pPos && !pPos->IsFlyPortion() )
pPos = pPos->GetPortion();
if( !pPos )
{
// We check to see if there are useful line breaks, blanks or fields etc. left
// In case there still are some, no underflow
// If there are Flys, we still allow the underflow
sal_Int32 nBlank = nIdx;
while( --nBlank > rInf.GetLineStart() )
{
const sal_Unicode cCh = rInf.GetChar( nBlank );
if( CH_BLANK == cCh ||
(( CH_TXTATR_BREAKWORD == cCh || CH_TXTATR_INWORD == cCh )
&& rInf.HasHint( nBlank ) ) )
break;
}
if( nBlank <= rInf.GetLineStart() )
return 0;
}
}
sal_Unicode cCh;
if( nIdx < 2 || CH_BLANK == (cCh = rInf.GetChar( nIdx - 1 )) )
return 1;
if( CH_BREAK == cCh )
return 0;
return 2;
}
/**
* Format End of Line
*/
void SwBlankPortion::FormatEOL( SwTextFormatInfo &rInf )
{
sal_uInt16 nMay = MayUnderflow( rInf, rInf.GetIdx() - nLineLength, true );
if( nMay )
{
if( nMay > 1 )
{
if( rInf.GetLast() == this )
rInf.SetLast( FindPrevPortion( rInf.GetRoot() ) );
rInf.X( rInf.X() - PrtWidth() );
rInf.SetIdx( rInf.GetIdx() - GetLen() );
}
Truncate();
rInf.SetUnderflow( this );
if( rInf.GetLast()->IsKernPortion() )
rInf.SetUnderflow( rInf.GetLast() );
}
}
/**
* Pass on the underflows and trigger them ourselves!
*/
bool SwBlankPortion::Format( SwTextFormatInfo &rInf )
{
const bool bFull = rInf.IsUnderflow() || SwExpandPortion::Format( rInf );
if( bFull && MayUnderflow( rInf, rInf.GetIdx(), rInf.IsUnderflow() ) )
{
Truncate();
rInf.SetUnderflow( this );
if( rInf.GetLast()->IsKernPortion() )
rInf.SetUnderflow( rInf.GetLast() );
}
return bFull;
}
void SwBlankPortion::Paint( const SwTextPaintInfo &rInf ) const
{
if( !bMulti ) // No gray background for multiportion brackets
rInf.DrawViewOpt( *this, POR_BLANK );
SwExpandPortion::Paint( rInf );
}
bool SwBlankPortion::GetExpText( const SwTextSizeInfo&, OUString &rText ) const
{
rText = OUString(cChar);
return true;
}
void SwBlankPortion::HandlePortion( SwPortionHandler& rPH ) const
{
rPH.Special( GetLen(), OUString( cChar ), GetWhichPor() );
}
SwPostItsPortion::SwPostItsPortion( bool bScrpt )
: bScript( bScrpt )
{
nLineLength = 1;
SetWhichPor( POR_POSTITS );
}
void SwPostItsPortion::Paint( const SwTextPaintInfo &rInf ) const
{
if( rInf.OnWin() && Width() )
rInf.DrawPostIts( *this, IsScript() );
}
sal_uInt16 SwPostItsPortion::GetViewWidth( const SwTextSizeInfo &rInf ) const
{
// Unbelievable: PostIts are always visible
return rInf.OnWin() ? SwViewOption::GetPostItsWidth( rInf.GetOut() ) : 0;
}
bool SwPostItsPortion::Format( SwTextFormatInfo &rInf )
{
const bool bRet = SwLinePortion::Format( rInf );
// PostIts should not have an effect on line height etc.
SetAscent( 1 );
Height( 1 );
return bRet;
}
bool SwPostItsPortion::GetExpText( const SwTextSizeInfo &rInf, OUString &rText ) const
{
if( rInf.OnWin() && rInf.GetOpt().IsPostIts() )
rText = " ";
else
rText.clear();
return true;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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