src/LColor.h

   1 // -*- C++ -*-
   2 /**
   3  * \file LColor.h
   4  * This file is part of LyX, the document processor.
   5  * Licence details can be found in the file COPYING.
   6  *
   7  * \author Asger Alstrup
   8  * \author Lars Gullik Bjønnes
   9  * \author Matthias Ettrich
  10  * \author Jean-Marc Lasgouttes
  11  * \author Angus Leeming
  12  * \author John Levon
  13  * \author André Pönitz
  14  * \author Martin Vermeer
  15  *
  16  * Full author contact details are available in file CREDITS.
  17  */
  18
  19 #ifndef LCOLOR_H
  20 #define LCOLOR_H
  21
  22 #include <boost/scoped_ptr.hpp>
  23 #include <string>
  24
  25 /**
  26  * This is a stateless class.
  27  *
  28  * It has one basic purposes:
  29  * To serve as a color-namespace container (the Color enum).
  30  */
  31 /**
  32  * \class LColor
  33  *
  34  * A class holding color definitions and associated names for
  35  * LaTeX, X11, the GUI, and LyX internally.
  36  *
  37  * A color can be one of the following kinds:
  38  *
  39  * - A real, predefined color, such as black, white, red or green.
  40  * - A logical color, such as no color, inherit, math
  41  */
  42
  43 class LColor
  44 // made copyable for same reasons as LyXRC was made copyable. See there for
  45 // explanation.
  46 {
  47 public:
  48         /// Names of colors, including all logical colors
  49         enum color {
  50                 /// No particular color---clear or default
  51                 none,
  52                 /// The different text colors
  53                 black,
  54                 ///
  55                 white,
  56                 ///
  57                 red,
  58                 ///
  59                 green,
  60                 ///
  61                 blue,
  62                 ///
  63                 cyan,
  64                 ///
  65                 magenta,
  66                 ///
  67                 yellow,
  68
  69                 // Needed interface colors
  70
  71                 /// Cursor color
  72                 cursor,
  73                 /// Background color
  74                 background,
  75                 /// Foreground color
  76                 foreground,
  77                 /// Background color of selected text
  78                 selection,
  79                 /// Text color in LaTeX mode
  80                 latex,
  81                 /// The color used for previews
  82                 preview,
  83
  84                 /// Text color for notes
  85                 note,
  86                 /// Background color of notes
  87                 notebg,
  88                 /// Text color for comments
  89                 comment,
  90                 /// Background color of comments
  91                 commentbg,
  92                 /// Text color for greyedout inset
  93                 greyedout,
  94                 /// Background color of greyedout inset
  95                 greyedoutbg,
  96
  97
  98                 /// Color for the depth bars in the margin
  99                 depthbar,
 100                 /// Color for marking foreign language words
 101                 language,
 102
 103                 /// Text color for command insets
 104                 command,
 105                 /// Background color for command insets
 106                 commandbg,
 107                 /// Frame color for command insets
 108                 commandframe,
 109
 110                 /// Special chars text color
 111                 special,
 112
 113                 /// Graphics inset background color
 114                 graphicsbg,
 115                 /// Math inset text color
 116                 math,
 117                 /// Math inset background color
 118                 mathbg,
 119                 /// Macro math inset background color
 120                 mathmacrobg,
 121                 /// Math inset frame color
 122                 mathframe,
 123                 /// Math line color
 124                 mathline,
 125
 126                 /// caption frame color
 127                 captionframe,
 128
 129                 /// collapsable insets text
 130                 collapsable,
 131                 /// collapsable insets frame
 132                 collapsableframe,
 133
 134                 /// Inset marker background color
 135                 insetbg,
 136                 /// Inset marker frame color
 137                 insetframe,
 138
 139                 /// Error box text color
 140                 error,
 141                 /// EOL marker color
 142                 eolmarker,
 143                 /// Added space colour
 144                 added_space,
 145                 /// Appendix marker color
 146                 appendix,
 147                 /// changebar color
 148                 changebar,
 149                 /// strike-out color
 150                 strikeout,
 151                 /// added text color
 152                 newtext,
 153                 /// Top and bottom line color
 154                 topline,
 155                 /// Table line color
 156                 tabularline,
 157                 /// Table line color
 158                 tabularonoffline,
 159                 /// Bottom area color
 160                 bottomarea,
 161                 /// Page break color
 162                 pagebreak,
 163
 164                 // FIXME: why are the next four separate ??
 165                 /// Color used for top of boxes
 166                 top,
 167                 /// Color used for bottom of boxes
 168                 bottom,
 169                 /// Color used for left side of boxes
 170                 left,
 171                 /// Color used for right side of boxes
 172                 right,
 173                 /// Color used for bottom background
 174                 buttonbg,
 175
 176                 // Logical attributes
 177
 178                 /// Color is inherited
 179                 inherit,
 180                 /// For ignoring updates of a color
 181                 ignore
 182         };
 183
 184
 185         ///
 186         LColor();
 187         ///
 188         LColor(LColor const &);
 189         ///
 190         ~LColor();
 191         ///
 192         LColor & operator=(LColor);
 193
 194         /** set the given LyX color to the color defined by the X11 name given
 195          *  \returns true if successful.
 196          */
 197         bool setColor(LColor::color col, std::string const & x11name);
 198
 199         /** set the given LyX color to the color defined by the X11
 200          *  name given \returns true if successful. A new color entry
 201          *  is created if the color is unknown
 202          */
 203         bool setColor(std::string const & lyxname, std::string const & x11name);
 204
 205         /// Get the GUI name of \c color.
 206         std::string const getGUIName(LColor::color c) const;
 207
 208         /// Get the X11 name of \c color.
 209         std::string const getX11Name(LColor::color c) const;
 210
 211         /// Get the LaTeX name of \c color.
 212         std::string const getLaTeXName(LColor::color c) const;
 213
 214         /// Get the LyX name of \c color.
 215         std::string const getLyXName(LColor::color c) const;
 216
 217         /// \returns the LColor::color associated with the GUI name.
 218         LColor::color getFromGUIName(std::string const & guiname) const;
 219         /// \returns the LColor::color associated with the LyX name.
 220         LColor::color getFromLyXName(std::string const & lyxname) const;
 221         /// \returns the LColor::color associated with the LaTeX name.
 222         LColor::color getFromLaTeXName(std::string const & latexname) const;
 223 private:
 224         ///
 225         void addColor(LColor::color c, std::string const & lyxname) const;
 226         ///
 227         class Pimpl;
 228         ///
 229         boost::scoped_ptr<Pimpl> pimpl_;
 230 };
 231
 232
 233 /** \c LColor_color is a wrapper for LColor::color. It can be forward-declared and
 234  *  passed as a function argument without having to expose LColor.h.
 235  */
 236 class LColor_color {
 237         LColor::color val_;
 238 public:
 239         /** The default constructor is nasty,
 240          *  but allows us to use LColor_color in STL containers.
 241          */
 242         LColor_color() : val_(static_cast<LColor::color>(-1)) {}
 243
 244         LColor_color(LColor::color val) : val_(val) {}
 245         operator LColor::color() const{ return val_; }
 246 };
 247
 248
 249 /// the current color definitions
 250 extern LColor lcolor;
 251 /// the system color definitions
 252 extern LColor system_lcolor;
 253
 254 #endif