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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@3136 a592a061-630c-0410-9148-cb99ea01b6c8
82 lines
1.8 KiB
C++
82 lines
1.8 KiB
C++
// -*- C++ -*-
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/* This file is part of
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* ======================================================
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*
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* LyX, The Document Processor
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*
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* Copyright 1995 Matthias Ettrich
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* Copyright 1995-2001 The LyX Team.
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*
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* ====================================================== */
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#ifndef LYX_GLUE_LENGTH_H
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#define LYX_GLUE_LENGTH_H
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#ifdef __GNUG__
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#pragma interface
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#endif
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#include "lyxlength.h"
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#include "LString.h"
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class BufferParams;
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class BufferView;
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class LyXGlueLength {
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public:
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///
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LyXGlueLength() {}
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///
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explicit LyXGlueLength(LyXLength const & len);
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///
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LyXGlueLength(LyXLength const & len,
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LyXLength const & plus,
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LyXLength const & minus);
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/** "data" must be a decimal number, followed by a unit, and
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optional "glue" indicated by "+" and "-". You may abbreviate
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reasonably. Examples:
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1.2 cm // 4mm +2pt // 2cm -4mm +2mm // 4+0.1-0.2cm
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The traditional Latex format is also accepted, like
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4cm plus 10pt minus 10pt */
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explicit LyXGlueLength(string const & data);
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///
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LyXLength const & len() const;
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///
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LyXLength const & plus() const;
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///
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LyXLength const & minus() const;
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/// conversion
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string const asString() const;
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///
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string const asLatexString() const;
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/** If "data" is valid, the length represented by it is
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stored into "result", if that is not 0. */
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friend bool isValidGlueLength(string const & data,
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LyXGlueLength* result = 0);
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private:
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/// the normal vlaue
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LyXLength len_;
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/// extra stretch
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LyXLength plus_;
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/// extra shrink
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LyXLength minus_;
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};
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///
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bool operator==(LyXGlueLength const & l1, LyXGlueLength const & l2);
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///
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bool operator!=(LyXGlueLength const & l1, LyXGlueLength const & l2);
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///
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bool isValidGlueLength(string const & data, LyXGlueLength * result);
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#endif
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