src/vspace.h

   1 // -*- C++ -*-
   2 /**
   3  * \file vspace.h
   4  * This file is part of LyX, the document processor.
   5  * Licence details can be found in the file COPYING.
   6  *
   7  * \author Matthias Ettrich
   8  *
   9  * Full author contact details are available in file CREDITS.
  10  */
  11
  12 #ifndef VSPACE_H
  13 #define VSPACE_H
  14
  15 #include "lyxgluelength.h"
  16
  17
  18 class BufferParams;
  19 class BufferView;
  20
  21
  22 /// A class representing latex vertical spacing
  23 class VSpace {
  24 public:
  25         /// The different kinds of spaces.
  26         enum vspace_kind {
  27                 DEFSKIP,
  28                 SMALLSKIP,
  29                 MEDSKIP,
  30                 BIGSKIP,
  31                 VFILL,
  32                 LENGTH ///< user-defined length
  33         };
  34
  35         VSpace();
  36
  37         explicit VSpace(vspace_kind k);
  38
  39         explicit VSpace(LyXLength const & l);
  40
  41         explicit VSpace(LyXGlueLength const & l);
  42
  43         /// Constructor for reading from a .lyx file
  44         explicit VSpace(std::string const & data);
  45
  46         /// return the type of vertical space
  47         vspace_kind kind() const;
  48         /// return the length of this space
  49         LyXGlueLength const & length() const;
  50
  51         // a flag that switches between \vspace and \vspace*
  52         bool keep() const;
  53         /// if set true, use \vspace* when type is not DEFSKIP
  54         void setKeep(bool val);
  55         ///
  56         bool operator==(VSpace const &) const;
  57
  58         // conversion
  59
  60         /// how it goes into the LyX file
  61         std::string const asLyXCommand() const;
  62         /// the latex representation
  63         std::string const asLatexCommand(BufferParams const & params) const;
  64         /// how it is seen in the LyX window
  65         std::string const VSpace::asGUIName() const;
  66         /// the size of the space on-screen
  67         int inPixels(BufferView const & bv) const;
  68
  69 private:
  70         /// This VSpace kind
  71         vspace_kind kind_;
  72         /// the specified length
  73         LyXGlueLength len_;
  74         /// if true, use \vspace* type
  75         bool keep_;
  76 };
  77
  78 #endif // VSPACE_H