lyx_mirror/src/lyxgluelength.h
Lars Gullik Bjønnes ff9b02aaba split vspace into smaller files.
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@3136 a592a061-630c-0410-9148-cb99ea01b6c8
2001-12-02 23:47:06 +00:00

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1.8 KiB
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// -*- C++ -*-
/* This file is part of
* ======================================================
*
* LyX, The Document Processor
*
* Copyright 1995 Matthias Ettrich
* Copyright 1995-2001 The LyX Team.
*
* ====================================================== */
#ifndef LYX_GLUE_LENGTH_H
#define LYX_GLUE_LENGTH_H
#ifdef __GNUG__
#pragma interface
#endif
#include "lyxlength.h"
#include "LString.h"
class BufferParams;
class BufferView;
class LyXGlueLength {
public:
///
LyXGlueLength() {}
///
explicit LyXGlueLength(LyXLength const & len);
///
LyXGlueLength(LyXLength const & len,
LyXLength const & plus,
LyXLength const & minus);
/** "data" must be a decimal number, followed by a unit, and
optional "glue" indicated by "+" and "-". You may abbreviate
reasonably. Examples:
1.2 cm // 4mm +2pt // 2cm -4mm +2mm // 4+0.1-0.2cm
The traditional Latex format is also accepted, like
4cm plus 10pt minus 10pt */
explicit LyXGlueLength(string const & data);
///
LyXLength const & len() const;
///
LyXLength const & plus() const;
///
LyXLength const & minus() const;
/// conversion
string const asString() const;
///
string const asLatexString() const;
/** If "data" is valid, the length represented by it is
stored into "result", if that is not 0. */
friend bool isValidGlueLength(string const & data,
LyXGlueLength* result = 0);
private:
/// the normal vlaue
LyXLength len_;
/// extra stretch
LyXLength plus_;
/// extra shrink
LyXLength minus_;
};
///
bool operator==(LyXGlueLength const & l1, LyXGlueLength const & l2);
///
bool operator!=(LyXGlueLength const & l1, LyXGlueLength const & l2);
///
bool isValidGlueLength(string const & data, LyXGlueLength * result);
#endif