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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 .
*/
#pragma once
#include <swtypes.hxx>
#include "itrtxt.hxx"
class SwTextFrame;
class SwTextFrameBreak
{
private:
SwTwips m_nRstHeight;
SwTwips m_nOrigin;
protected:
SwTextFrame *m_pFrame;
bool m_bBreak;
bool m_bKeep;
public:
SwTextFrameBreak( SwTextFrame *pFrame, const SwTwips nRst = 0 );
bool IsBreakNow( SwTextMargin &rLine );
bool IsKeepAlways() const { return m_bKeep; }
void SetKeep( const bool bNew ) { m_bKeep = bNew; }
bool IsInside( SwTextMargin const &rLine ) const;
// In order to be able to handle special cases with Footnote.
// SetRstHeight sets the rest height for SwTextFrameBreak. This is needed
// to call TruncLines() without IsBreakNow() returning another value.
// We assume that rLine is pointing to the last non-fitting line.
void SetRstHeight( const SwTextMargin &rLine );
};
class WidowsAndOrphans : public SwTextFrameBreak
{
private:
sal_uInt16 m_nWidLines, m_nOrphLines;
public:
WidowsAndOrphans( SwTextFrame *pFrame, const SwTwips nRst = 0,
bool bCheckKeep = true );
bool FindWidows( SwTextFrame *pFrame, SwTextMargin &rLine );
sal_uInt16 GetOrphansLines() const
{ return m_nOrphLines; }
void ClrOrphLines(){ m_nOrphLines = 0; }
bool FindBreak( SwTextFrame *pFrame, SwTextMargin &rLine, bool bHasToFit );
bool WouldFit( SwTextMargin &rLine, SwTwips &rMaxHeight, bool bTest, bool bMoveBwd );
// i#16128 - This method is named this way to avoid confusion with
// base class method <SwTextFrameBreak::IsBreakNow>, which isn't virtual.
bool IsBreakNowWidAndOrp( SwTextMargin &rLine )
{
bool isOnFirstLine = (rLine.GetLineNr() == 1 && !rLine.GetPrev());
if ( isOnFirstLine && rLine.GetCurr()->IsDummy()) {
return IsBreakNow( rLine );
}
if ( rLine.GetLineNr() > m_nOrphLines ) {
return IsBreakNow( rLine );
}
return false;
}
};
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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