src/Color.cpp

   1 /**
   2  * \file Color.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Asger Alstrup
   7  * \author Lars Gullik Bjønnes
   8  * \author Matthias Ettrich
   9  * \author Jean-Marc Lasgouttes
  10  * \author John Levon
  11  * \author André Pönitz
  12  * \author Martin Vermeer
  13  *
  14  * Full author contact details are available in file CREDITS.
  15  */
  16
  17 #include <config.h>
  18
  19 #include "debug.h"
  20 #include "gettext.h"
  21 #include "Color.h"
  22 #include "support/lstrings.h"
  23
  24 #include <map>
  25 #include <cmath>
  26 #include <sstream>
  27 #include <iomanip>
  28
  29
  30 #ifndef CXX_GLOBAL_CSTD
  31 using std::floor;
  32 #endif
  33
  34 using std::max;
  35 using std::min;
  36 using std::setw;
  37
  38 using std::istringstream;
  39 using std::ostringstream;
  40 using std::string;
  41 using std::endl;
  42
  43 using lyx::support::compare_ascii_no_case;
  44 using lyx::support::ascii_lowercase;
  45
  46
  47 namespace {
  48
  49 struct ColorEntry {
  50         lyx::Color::color lcolor;
  51         char const * guiname;
  52         char const * latexname;
  53         char const * x11name;
  54         char const * lyxname;
  55 };
  56
  57 int const nohue = -1;
  58
  59 int hexstrToInt(string const & str)
  60 {
  61         int val = 0;
  62         istringstream is(str);
  63         is >> std::setbase(16) >> val;
  64         return val;
  65 }
  66
  67 } // namespace anon
  68
  69
  70
  71 namespace lyx {
  72
  73
  74 /////////////////////////////////////////////////////////////////////
  75 //
  76 // RGBColor
  77 //
  78 /////////////////////////////////////////////////////////////////////
  79
  80
  81 string const X11hexname(RGBColor const & col)
  82 {
  83         ostringstream ostr;
  84
  85         ostr << '#' << std::setbase(16) << std::setfill('0')
  86              << setw(2) << col.r
  87              << setw(2) << col.g
  88              << setw(2) << col.b;
  89
  90         return ostr.str();
  91 }
  92
  93
  94 RGBColor::RGBColor(string const & x11hexname)
  95         : r(0), g(0), b(0)
  96 {
  97         BOOST_ASSERT(x11hexname.size() == 7 && x11hexname[0] == '#');
  98         r = hexstrToInt(x11hexname.substr(1,2));
  99         g = hexstrToInt(x11hexname.substr(3,2));
 100         b = hexstrToInt(x11hexname.substr(5,2));
 101 }
 102
 103
 104 /////////////////////////////////////////////////////////////////////
 105 //
 106 // Color::Pimpl
 107 //
 108 /////////////////////////////////////////////////////////////////////
 109
 110 class Color::Pimpl {
 111 public:
 112         ///
 113         class information {
 114         public:
 115                 /// the name as it appears in the GUI
 116                 string guiname;
 117                 /// the name used in LaTeX
 118                 string latexname;
 119                 /// the name for X11
 120                 string x11name;
 121                 /// the name for LyX
 122                 string lyxname;
 123         };
 124
 125         /// initialise a color entry
 126         void fill(ColorEntry const & entry)
 127         {
 128                 information in;
 129                 in.lyxname   = entry.lyxname;
 130                 in.latexname = entry.latexname;
 131                 in.x11name   = entry.x11name;
 132                 in.guiname   = entry.guiname;
 133                 infotab[entry.lcolor] = in;
 134                 lyxcolors[entry.lyxname] = entry.lcolor;
 135                 latexcolors[entry.latexname] = entry.lcolor;
 136         }
 137
 138         ///
 139         typedef std::map<Color::color, information> InfoTab;
 140         /// the table of color information
 141         InfoTab infotab;
 142
 143         typedef std::map<string, Color::color> Transform;
 144         /// the transform between LyX color name string and integer code.
 145         Transform lyxcolors;
 146         /// the transform between LaTeX color name string and integer code.
 147         Transform latexcolors;
 148
 149 };
 150
 151
 152 Color::Color()
 153         : pimpl_(new Pimpl)
 154 {
 155         //  Color::color, gui, latex, x11, lyx
 156         static ColorEntry const items[] = {
 157         { none, N_("none"), "none", "black", "none" },
 158         { black, N_("black"), "black", "black", "black" },
 159         { white, N_("white"), "white", "white", "white" },
 160         { red, N_("red"), "red", "red", "red" },
 161         { green, N_("green"), "green", "green", "green" },
 162         { blue, N_("blue"), "blue", "blue", "blue" },
 163         { cyan, N_("cyan"), "cyan", "cyan", "cyan" },
 164         { magenta, N_("magenta"), "magenta", "magenta", "magenta" },
 165         { yellow, N_("yellow"), "yellow", "yellow", "yellow" },
 166         { cursor, N_("cursor"), "cursor", "black", "cursor" },
 167         { background, N_("background"), "background", "linen", "background" },
 168         { foreground, N_("text"), "foreground", "black", "foreground" },
 169         { selection, N_("selection"), "selection", "LightBlue", "selection" },
 170         { latex, N_("LaTeX text"), "latex", "DarkRed", "latex" },
 171         { preview, N_("previewed snippet"), "preview", "black", "preview" },
 172         { note, N_("note"), "note", "blue", "note" },
 173         { notebg, N_("note background"), "notebg", "yellow", "notebg" },
 174         { comment, N_("comment"), "comment", "magenta", "comment" },
 175         { commentbg, N_("comment background"), "commentbg", "linen", "commentbg" },
 176         { greyedout, N_("greyedout inset"), "greyedout", "red", "greyedout" },
 177         { greyedoutbg, N_("greyedout inset background"), "greyedoutbg", "linen", "greyedoutbg" },
 178         { shadedbg, N_("shaded box"), "shaded", "#ff0000", "shaded" },
 179         { depthbar, N_("depth bar"), "depthbar", "IndianRed", "depthbar" },
 180         { language, N_("language"), "language", "Blue", "language" },
 181         { command, N_("command inset"), "command", "black", "command" },
 182         { commandbg, N_("command inset background"), "commandbg", "azure", "commandbg" },
 183         { commandframe, N_("command inset frame"), "commandframe", "black", "commandframe" },
 184         { special, N_("special character"), "special", "RoyalBlue", "special" },
 185         { math, N_("math"), "math", "DarkBlue", "math" },
 186         { mathbg, N_("math background"), "mathbg", "linen", "mathbg" },
 187         { graphicsbg, N_("graphics background"), "graphicsbg", "linen", "graphicsbg" },
 188         { mathmacrobg, N_("Math macro background"), "mathmacrobg", "linen", "mathmacrobg" },
 189         { mathframe, N_("math frame"), "mathframe", "Magenta", "mathframe" },
 190         { mathcorners, N_("math corners"), "mathcorners", "linen", "mathcorners" },
 191         { mathline, N_("math line"), "mathline", "Blue", "mathline" },
 192         { captionframe, N_("caption frame"), "captionframe", "DarkRed", "captionframe" },
 193         { collapsable, N_("collapsable inset text"), "collapsable", "DarkRed", "collapsable" },
 194         { collapsableframe, N_("collapsable inset frame"), "collapsableframe", "IndianRed", "collapsableframe" },
 195         { insetbg, N_("inset background"), "insetbg", "grey80", "insetbg" },
 196         { insetframe, N_("inset frame"), "insetframe", "IndianRed", "insetframe" },
 197         { error, N_("LaTeX error"), "error", "Red", "error" },
 198         { eolmarker, N_("end-of-line marker"), "eolmarker", "Brown", "eolmarker" },
 199         { appendix, N_("appendix marker"), "appendix", "Brown", "appendix" },
 200         { changebar, N_("change bar"), "changebar", "Blue", "changebar" },
 201         { deletedtext, N_("Deleted text"), "deletedtext", "#ff0000", "deletedtext" },
 202         { addedtext, N_("Added text"), "addedtext", "#0000ff", "addedtext" },
 203         { added_space, N_("added space markers"), "added_space", "Brown", "added_space" },
 204         { topline, N_("top/bottom line"), "topline", "Brown", "topline" },
 205         { tabularline, N_("table line"), "tabularline", "black", "tabularline" },
 206         { tabularonoffline, N_("table on/off line"), "tabularonoffline",
 207              "LightSteelBlue", "tabularonoffline" },
 208         { bottomarea, N_("bottom area"), "bottomarea", "grey40", "bottomarea" },
 209         { pagebreak, N_("page break"), "pagebreak", "RoyalBlue", "pagebreak" },
 210         { buttonframe, N_("frame of button"), "buttonframe", "#dcd2c8", "buttonframe" },
 211         { buttonbg, N_("button background"), "buttonbg", "#dcd2c8", "buttonbg" },
 212         { buttonhoverbg, N_("button background under focus"), "buttonhoverbg", "#C7C7CA", "buttonhoverbg" },
 213         { inherit, N_("inherit"), "inherit", "black", "inherit" },
 214         { ignore, N_("ignore"), "ignore", "black", "ignore" },
 215         { ignore, 0, 0, 0, 0 }
 216         };
 217
 218         for (int i = 0; items[i].guiname; ++i)
 219                 pimpl_->fill(items[i]);
 220 }
 221
 222
 223 Color::Color(Color const & c)
 224         : pimpl_(new Pimpl(*c.pimpl_))
 225 {}
 226
 227
 228 Color::~Color()
 229 {}
 230
 231
 232 Color & Color::operator=(Color tmp)
 233 {
 234         boost::swap(pimpl_, tmp.pimpl_);
 235         return *this;
 236 }
 237
 238
 239 docstring const Color::getGUIName(Color::color c) const
 240 {
 241         Pimpl::InfoTab::const_iterator it = pimpl_->infotab.find(c);
 242         if (it != pimpl_->infotab.end())
 243                 return _(it->second.guiname);
 244         return from_ascii("none");
 245 }
 246
 247
 248 string const Color::getX11Name(Color::color c) const
 249 {
 250         Pimpl::InfoTab::const_iterator it = pimpl_->infotab.find(c);
 251         if (it != pimpl_->infotab.end())
 252                 return it->second.x11name;
 253
 254         lyxerr << "LyX internal error: Missing color"
 255                   " entry in Color.cpp for " << c << '\n'
 256                << "Using black." << endl;
 257         return "black";
 258 }
 259
 260
 261 string const Color::getLaTeXName(Color::color c) const
 262 {
 263         Pimpl::InfoTab::const_iterator it = pimpl_->infotab.find(c);
 264         if (it != pimpl_->infotab.end())
 265                 return it->second.latexname;
 266         return "black";
 267 }
 268
 269
 270 string const Color::getLyXName(Color::color c) const
 271 {
 272         Pimpl::InfoTab::const_iterator it = pimpl_->infotab.find(c);
 273         if (it != pimpl_->infotab.end())
 274                 return it->second.lyxname;
 275         return "black";
 276 }
 277
 278
 279 bool Color::setColor(Color::color col, string const & x11name)
 280 {
 281         Pimpl::InfoTab::iterator it = pimpl_->infotab.find(col);
 282         if (it == pimpl_->infotab.end()) {
 283                 lyxerr << "Color " << col << " not found in database."
 284                        << std::endl;
 285                 return false;
 286         }
 287
 288         // "inherit" is returned for colors not in the database
 289         // (and anyway should not be redefined)
 290         if (col == none || col == inherit || col == ignore) {
 291                 lyxerr << "Color " << getLyXName(col)
 292                        << " may not be redefined" << endl;
 293                 return false;
 294         }
 295
 296         it->second.x11name = x11name;
 297         return true;
 298 }
 299
 300
 301 bool Color::setColor(string const & lyxname, string const &x11name)
 302 {
 303         string const lcname = ascii_lowercase(lyxname);
 304         if (pimpl_->lyxcolors.find(lcname) == pimpl_->lyxcolors.end()) {
 305                 LYXERR(Debug::GUI)
 306                         << "Color::setColor: Unknown color \""
 307                        << lyxname << '"' << endl;
 308                 addColor(static_cast<color>(pimpl_->infotab.size()), lcname);
 309         }
 310
 311         return setColor(pimpl_->lyxcolors[lcname], x11name);
 312 }
 313
 314
 315 void Color::addColor(Color::color c, string const & lyxname) const
 316 {
 317         ColorEntry ce = { c, "", "", "", lyxname.c_str() };
 318         pimpl_->fill(ce);
 319 }
 320
 321
 322 Color::color Color::getFromLyXName(string const & lyxname) const
 323 {
 324         string const lcname = ascii_lowercase(lyxname);
 325         if (pimpl_->lyxcolors.find(lcname) == pimpl_->lyxcolors.end()) {
 326                 lyxerr << "Color::getFromLyXName: Unknown color \""
 327                        << lyxname << '"' << endl;
 328                 return none;
 329         }
 330
 331         return pimpl_->lyxcolors[lcname];
 332 }
 333
 334
 335 Color::color Color::getFromLaTeXName(string const & latexname) const
 336 {
 337         if (pimpl_->latexcolors.find(latexname) == pimpl_->latexcolors.end()) {
 338                 lyxerr << "Color::getFromLaTeXName: Unknown color \""
 339                        << latexname << '"' << endl;
 340                 return none;
 341         }
 342
 343         return pimpl_->latexcolors[latexname];
 344 }
 345
 346
 347 // The evil global Color instance
 348 Color lcolor;
 349 // An equally evil global system Color instance
 350 Color system_lcolor;
 351
 352
 353 } // namespace lyx