lyx_mirror/src/vspace.h

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// -*- C++ -*-
/**
* \file vspace.h
* Copyright 1995-2002 the LyX Team
* Read the file COPYING
*
* \author Matthias Ettrich
*/
#ifndef VSPACE_H
#define VSPACE_H
#ifdef __GNUG__
#pragma interface
#endif
#include "lyxgluelength.h"
#include "LString.h"
class BufferParams;
class BufferView;
/// A class representing latex vertical spacing
class VSpace {
public:
/// The different kinds of spaces.
enum vspace_kind {
NONE, ///< no added vertical space
DEFSKIP,
SMALLSKIP,
MEDSKIP,
BIGSKIP,
VFILL,
LENGTH ///< user-defined length
};
VSpace();
explicit VSpace(vspace_kind k);
explicit VSpace(LyXLength const & l);
explicit VSpace(LyXGlueLength const & l);
/// Constructor for reading from a .lyx file
explicit VSpace(string const & data);
/// return the type of vertical space
vspace_kind kind() const;
/// return the length of this space
LyXGlueLength length() const;
// a flag that switches between \vspace and \vspace*
bool keep() const;
/// if set true, use \vspace* when type is not DEFSKIP
void setKeep(bool val);
///
bool operator==(VSpace const &) const;
// conversion
/// how it goes into the LyX file
string const asLyXCommand() const;
/// the latex representation
string const asLatexCommand(BufferParams const & params) const;
/// the size of the space on-screen
int inPixels(BufferView * bv) const;
private:
/// This VSpace kind
vspace_kind kind_;
/// the specified length
LyXGlueLength len_;
/// if true, use \vspace* type
bool keep_;
};
#endif