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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 .
*/
#ifndef _WIDORP_HXX
#define _WIDORP_HXX
class SwTxtFrm;
#include "swtypes.hxx"
#include "itrtxt.hxx"
namespace binfilter {
class SwTxtFrmBreak
{
private:
SwTwips nRstHeight;
#ifdef VERTICAL_LAYOUT
SwTwips nOrigin;
#else
const SwTwips nOrigin;
#endif
protected:
SwTxtFrm *pFrm;
sal_Bool bBreak;
sal_Bool bKeep;
public:
SwTxtFrmBreak( SwTxtFrm *pFrm, const SwTwips nRst = 0 );
sal_Bool IsBreakNow( SwTxtMargin &rLine );
sal_Bool IsBroken() const { return bBreak; }
sal_Bool IsKeepAlways() const { return bKeep; }
void Keep() { bKeep = sal_True; }
void Break() { bKeep = sal_False; bBreak = sal_True; }
inline sal_Bool GetKeep() const { return bKeep; }
inline void SetKeep( const sal_Bool bNew ) { bKeep = bNew; }
sal_Bool IsInside( SwTxtMargin &rLine ) const;
// Um Sonderfaelle mit Ftn behandeln zu koennen.
// Mit SetRstHeight wird dem SwTxtFrmBreak die Resthoehe eingestellt,
// Um TruncLines() rufen zu koennen, ohne dass IsBreakNow() einen
// anderen Wert zurueckliefert.
// Es wird dabei davon ausgegangen, dass rLine auf der letzten Zeile
// steht, die nicht mehr passt.
#ifdef VERTICAL_LAYOUT
void SetRstHeight( const SwTxtMargin &rLine )
{
if ( !pFrm->IsVertical() )
nRstHeight = rLine.Y() - nOrigin;
}
#else
void SetRstHeight( const SwTxtMargin &rLine ) { nRstHeight = rLine.Y() - nOrigin; }
#endif
SwTwips GetRstHeight() const { return nRstHeight; }
};
class WidowsAndOrphans : public SwTxtFrmBreak
{
private:
MSHORT nWidLines, nOrphLines;
public:
WidowsAndOrphans( SwTxtFrm *pFrm, const SwTwips nRst = 0,
sal_Bool bCheckKeep = sal_True );
sal_Bool FindWidows( SwTxtFrm *pFrm, SwTxtMargin &rLine );
MSHORT GetWidowsLines() const
{ return nWidLines; }
MSHORT GetOrphansLines() const
{ return nOrphLines; }
void ClrOrphLines(){ nOrphLines = 0; }
sal_Bool FindBreak( SwTxtFrm *pFrm, SwTxtMargin &rLine, sal_Bool bHasToFit );
sal_Bool WouldFit( SwTxtMargin &rLine, SwTwips &rMaxHeight );
sal_Bool IsBreakNow( SwTxtMargin &rLine )
{ return ( rLine.GetLineNr() > nOrphLines ) &&
SwTxtFrmBreak::IsBreakNow( rLine ); }
};
} //namespace binfilter
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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