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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::GetCrsrOfst( const MSHORT nOfst ) const
{ return SwLinePortion::GetCrsrOfst( nOfst ); }
bool SwExpandPortion::GetExpTxt( const SwTxtSizeInfo&, OUString &rTxt ) const
{
rTxt = OUString();
// Nicht etwa: return 0 != rTxt.Len();
// Weil: leere Felder ersetzen CH_TXTATR gegen einen Leerstring
return true;
}
void SwExpandPortion::HandlePortion( SwPortionHandler& rPH ) const
{
OUString aString;
rPH.Special( GetLen(), aString, GetWhichPor() );
}
SwPosSize SwExpandPortion::GetTxtSize( const SwTxtSizeInfo &rInf ) const
{
SwTxtSlot aDiffTxt( &rInf, this, false, false );
return rInf.GetTxtSize();
}
// 5010: Exp und Tabs
bool SwExpandPortion::Format( SwTxtFormatInfo &rInf )
{
SwTxtSlot aDiffTxt( &rInf, this, true, false );
const sal_Int32 nFullLen = rInf.GetLen();
// So komisch es aussieht, die Abfrage auf GetLen() muss wegen der
// ExpandPortions _hinter_ aDiffTxt (vgl. SoftHyphs)
// false returnen wegen SetFull ...
if( !nFullLen )
{
// nicht Init(), weil wir Hoehe und Ascent brauchen
Width(0);
return false;
}
return SwTxtPortion::Format( rInf );
}
void SwExpandPortion::Paint( const SwTxtPaintInfo &rInf ) const
{
SwTxtSlot aDiffTxt( &rInf, this, true, true );
const SwFont aOldFont = *rInf.GetFont();
if( GetJoinBorderWithPrev() )
const_cast<SwTxtPaintInfo&>(rInf).GetFont()->SetLeftBorder(0);
if( GetJoinBorderWithNext() )
const_cast<SwTxtPaintInfo&>(rInf).GetFont()->SetRightBorder(0);
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,
0 != rInf.GetSmartTags(), 0 != rInf.GetGrammarCheckList() );
else
rInf.DrawText( *this, rInf.GetLen(), false );
if( GetJoinBorderWithPrev() || GetJoinBorderWithNext() )
*const_cast<SwTxtPaintInfo&>(rInf).GetFont() = aOldFont;
}
SwLinePortion *SwBlankPortion::Compress() { return this; }
// 5497: Es gibt schon Gemeinheiten auf der Welt...
// Wenn eine Zeile voll mit HardBlanks ist und diese ueberlaeuft,
// dann duerfen keine Underflows generiert werden!
// Komplikationen bei Flys...
MSHORT SwBlankPortion::MayUnderflow( const SwTxtFormatInfo &rInf,
sal_Int32 nIdx, bool bUnderflow ) const
{
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; // Nur noch BlankPortions unterwegs
// Wenn vor uns ein Blank ist, brauchen wir kein Underflow ausloesen,
// wenn hinter uns ein Blank ist, brauchen wir kein Underflow weiterreichen
if (bUnderflow && nIdx + 1 < rInf.GetTxt().getLength() && CH_BLANK == rInf.GetTxt()[nIdx + 1])
return 0;
if( nIdx && !((SwTxtFormatInfo&)rInf).GetFly() )
{
while( pPos && !pPos->IsFlyPortion() )
pPos = pPos->GetPortion();
if( !pPos )
{
//Hier wird ueberprueft, ob es in dieser Zeile noch sinnvolle Umbrueche
//gibt, Blanks oder Felder etc., wenn nicht, kein Underflow.
//Wenn Flys im Spiel sind, lassen wir das Underflow trotzdem zu.
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( SwTxtFormatInfo &rInf )
{
MSHORT 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() );
}
}
// 7771: Underflows weiterreichen und selbst ausloesen!
bool SwBlankPortion::Format( SwTxtFormatInfo &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 SwTxtPaintInfo &rInf ) const
{
if( !bMulti ) // No gray background for multiportion brackets
rInf.DrawViewOpt( *this, POR_BLANK );
SwExpandPortion::Paint( rInf );
}
bool SwBlankPortion::GetExpTxt( const SwTxtSizeInfo&, OUString &rTxt ) const
{
rTxt = OUString(cChar);
return true;
}
void SwBlankPortion::HandlePortion( SwPortionHandler& rPH ) const
{
OUString aString( cChar );
rPH.Special( GetLen(), aString, GetWhichPor() );
}
SwPostItsPortion::SwPostItsPortion( bool bScrpt )
: bScript( bScrpt )
{
nLineLength = 1;
SetWhichPor( POR_POSTITS );
}
void SwPostItsPortion::Paint( const SwTxtPaintInfo &rInf ) const
{
if( rInf.OnWin() && Width() )
rInf.DrawPostIts( *this, IsScript() );
}
KSHORT SwPostItsPortion::GetViewWidth( const SwTxtSizeInfo &rInf ) const
{
// Nicht zu fassen: PostIts sind immer zu sehen.
return rInf.OnWin() ?
(KSHORT)rInf.GetOpt().GetPostItsWidth( rInf.GetOut() ) : 0;
}
bool SwPostItsPortion::Format( SwTxtFormatInfo &rInf )
{
const bool bRet = SwLinePortion::Format( rInf );
// 32749: PostIts sollen keine Auswirkung auf Zeilenhoehe etc. haben
SetAscent( 1 );
Height( 1 );
return bRet;
}
bool SwPostItsPortion::GetExpTxt( const SwTxtSizeInfo &rInf, OUString &rTxt ) const
{
if( rInf.OnWin() && rInf.GetOpt().IsPostIts() )
rTxt = OUString(' ');
else
rTxt = OUString();
return true;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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