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 "Color.h"
  20
  21 #include "debug.h"
  22 #include "gettext.h"
  23
  24 #include "support/lstrings.h"
  25
  26 #include <boost/assert.hpp>
  27
  28 #include <map>
  29 #include <cmath>
  30 #include <sstream>
  31 #include <iomanip>
  32
  33
  34 #ifndef CXX_GLOBAL_CSTD
  35 using std::floor;
  36 #endif
  37
  38 using std::max;
  39 using std::min;
  40 using std::setw;
  41
  42 using std::istringstream;
  43 using std::ostringstream;
  44 using std::string;
  45 using std::endl;
  46
  47 namespace lyx {
  48
  49 using support::compare_ascii_no_case;
  50 using support::ascii_lowercase;
  51
  52 struct ColorSet::ColorEntry {
  53         ColorCode lcolor;
  54         char const * guiname;
  55         char const * latexname;
  56         char const * x11name;
  57         char const * lyxname;
  58 };
  59
  60
  61 static int hexstrToInt(string const & str)
  62 {
  63         int val = 0;
  64         istringstream is(str);
  65         is >> std::setbase(16) >> val;
  66         return val;
  67 }
  68
  69
  70 /////////////////////////////////////////////////////////////////////
  71 //
  72 // RGBColor
  73 //
  74 /////////////////////////////////////////////////////////////////////
  75
  76
  77 string const X11hexname(RGBColor const & col)
  78 {
  79         ostringstream ostr;
  80
  81         ostr << '#' << std::setbase(16) << std::setfill('0')
  82              << setw(2) << col.r
  83              << setw(2) << col.g
  84              << setw(2) << col.b;
  85
  86         return ostr.str();
  87 }
  88
  89
  90 RGBColor rgbFromHexName(string const & x11hexname)
  91 {
  92         RGBColor c;
  93         BOOST_ASSERT(x11hexname.size() == 7 && x11hexname[0] == '#');
  94         c.r = hexstrToInt(x11hexname.substr(1,2));
  95         c.g = hexstrToInt(x11hexname.substr(3,2));
  96         c.b = hexstrToInt(x11hexname.substr(5,2));
  97         return c;
  98 }
  99
 100
 101 ColorSet::ColorSet()
 102 {
 103         //  ColorCode, gui, latex, x11, lyx
 104         static ColorEntry const items[] = {
 105         { Color_none, N_("none"), "none", "black", "none" },
 106         { Color_black, N_("black"), "black", "black", "black" },
 107         { Color_white, N_("white"), "white", "white", "white" },
 108         { Color_red, N_("red"), "red", "red", "red" },
 109         { Color_green, N_("green"), "green", "green", "green" },
 110         { Color_blue, N_("blue"), "blue", "blue", "blue" },
 111         { Color_cyan, N_("cyan"), "cyan", "cyan", "cyan" },
 112         { Color_magenta, N_("magenta"), "magenta", "magenta", "magenta" },
 113         { Color_yellow, N_("yellow"), "yellow", "yellow", "yellow" },
 114         { Color_cursor, N_("cursor"), "cursor", "black", "cursor" },
 115         { Color_background, N_("background"), "background", "linen", "background" },
 116         { Color_foreground, N_("text"), "foreground", "black", "foreground" },
 117         { Color_selection, N_("selection"), "selection", "LightBlue", "selection" },
 118         { Color_latex, N_("LaTeX text"), "latex", "DarkRed", "latex" },
 119         { Color_preview, N_("previewed snippet"), "preview", "black", "preview" },
 120         { Color_note, N_("note"), "note", "blue", "note" },
 121         { Color_notebg, N_("note background"), "notebg", "yellow", "notebg" },
 122         { Color_comment, N_("comment"), "comment", "magenta", "comment" },
 123         { Color_commentbg, N_("comment background"), "commentbg", "linen", "commentbg" },
 124         { Color_greyedout, N_("greyedout inset"), "greyedout", "red", "greyedout" },
 125         { Color_greyedoutbg, N_("greyedout inset background"), "greyedoutbg", "linen", "greyedoutbg" },
 126         { Color_shadedbg, N_("shaded box"), "shaded", "#ff0000", "shaded" },
 127         { Color_depthbar, N_("depth bar"), "depthbar", "IndianRed", "depthbar" },
 128         { Color_language, N_("language"), "language", "Blue", "language" },
 129         { Color_command, N_("command inset"), "command", "black", "command" },
 130         { Color_commandbg, N_("command inset background"), "commandbg", "azure", "commandbg" },
 131         { Color_commandframe, N_("command inset frame"), "commandframe", "black", "commandframe" },
 132         { Color_special, N_("special character"), "special", "RoyalBlue", "special" },
 133         { Color_math, N_("math"), "math", "DarkBlue", "math" },
 134         { Color_mathbg, N_("math background"), "mathbg", "linen", "mathbg" },
 135         { Color_graphicsbg, N_("graphics background"), "graphicsbg", "linen", "graphicsbg" },
 136         { Color_mathmacrobg, N_("Math macro background"), "mathmacrobg", "linen", "mathmacrobg" },
 137         { Color_mathframe, N_("math frame"), "mathframe", "Magenta", "mathframe" },
 138         { Color_mathcorners, N_("math corners"), "mathcorners", "linen", "mathcorners" },
 139         { Color_mathline, N_("math line"), "mathline", "Blue", "mathline" },
 140         { Color_mathmacrobg, N_("Math macro background"), "mathmacrobg", "#ede2d8", "mathmacrobg" },
 141         { Color_mathmacrohoverbg, N_("Math macro hovered background"), "mathmacrohoverbg", "#cdc3b8", "mathmacrohoverbg" },
 142         { Color_mathmacrolabel, N_("Math macro label"), "mathmacrolabel", "#a19992", "mathmacrolabel" },
 143         { Color_mathmacroframe, N_("Math macro frame"), "mathmacroframe", "#ede2d8", "mathmacroframe" },
 144         { Color_mathmacroblend, N_("Math macro blended out"), "mathmacroblend", "#000000", "mathmacroblend" },
 145         { Color_captionframe, N_("caption frame"), "captionframe", "DarkRed", "captionframe" },
 146         { Color_collapsable, N_("collapsable inset text"), "collapsable", "DarkRed", "collapsable" },
 147         { Color_collapsableframe, N_("collapsable inset frame"), "collapsableframe", "IndianRed", "collapsableframe" },
 148         { Color_insetbg, N_("inset background"), "insetbg", "grey80", "insetbg" },
 149         { Color_insetframe, N_("inset frame"), "insetframe", "IndianRed", "insetframe" },
 150         { Color_error, N_("LaTeX error"), "error", "Red", "error" },
 151         { Color_eolmarker, N_("end-of-line marker"), "eolmarker", "Brown", "eolmarker" },
 152         { Color_appendix, N_("appendix marker"), "appendix", "Brown", "appendix" },
 153         { Color_changebar, N_("change bar"), "changebar", "Blue", "changebar" },
 154         { Color_deletedtext, N_("Deleted text"), "deletedtext", "#ff0000", "deletedtext" },
 155         { Color_addedtext, N_("Added text"), "addedtext", "#0000ff", "addedtext" },
 156         { Color_added_space, N_("added space markers"), "added_space", "Brown", "added_space" },
 157         { Color_topline, N_("top/bottom line"), "topline", "Brown", "topline" },
 158         { Color_tabularline, N_("table line"), "tabularline", "black", "tabularline" },
 159         { Color_tabularonoffline, N_("table on/off line"), "tabularonoffline",
 160              "LightSteelBlue", "tabularonoffline" },
 161         { Color_bottomarea, N_("bottom area"), "bottomarea", "grey40", "bottomarea" },
 162         { Color_pagebreak, N_("page break"), "pagebreak", "RoyalBlue", "pagebreak" },
 163         { Color_buttonframe, N_("frame of button"), "buttonframe", "#dcd2c8", "buttonframe" },
 164         { Color_buttonbg, N_("button background"), "buttonbg", "#dcd2c8", "buttonbg" },
 165         { Color_buttonhoverbg, N_("button background under focus"), "buttonhoverbg", "#C7C7CA", "buttonhoverbg" },
 166         { Color_inherit, N_("inherit"), "inherit", "black", "inherit" },
 167         { Color_ignore, N_("ignore"), "ignore", "black", "ignore" },
 168         { Color_ignore, 0, 0, 0, 0 }
 169         };
 170
 171         for (int i = 0; items[i].guiname; ++i)
 172                 fill(items[i]);
 173 }
 174
 175
 176 /// initialise a color entry
 177 void ColorSet::fill(ColorEntry const & entry)
 178 {
 179         Information in;
 180         in.lyxname   = entry.lyxname;
 181         in.latexname = entry.latexname;
 182         in.x11name   = entry.x11name;
 183         in.guiname   = entry.guiname;
 184         infotab[entry.lcolor] = in;
 185         lyxcolors[entry.lyxname] = entry.lcolor;
 186         latexcolors[entry.latexname] = entry.lcolor;
 187 }
 188
 189
 190 docstring const ColorSet::getGUIName(ColorCode c) const
 191 {
 192         InfoTab::const_iterator it = infotab.find(c);
 193         if (it != infotab.end())
 194                 return _(it->second.guiname);
 195         return from_ascii("none");
 196 }
 197
 198
 199 string const ColorSet::getX11Name(ColorCode c) const
 200 {
 201         InfoTab::const_iterator it = infotab.find(c);
 202         if (it != infotab.end())
 203                 return it->second.x11name;
 204
 205         lyxerr << "LyX internal error: Missing color"
 206                   " entry in Color.cpp for " << c << '\n'
 207                << "Using black." << endl;
 208         return "black";
 209 }
 210
 211
 212 string const ColorSet::getLaTeXName(ColorCode c) const
 213 {
 214         InfoTab::const_iterator it = infotab.find(c);
 215         if (it != infotab.end())
 216                 return it->second.latexname;
 217         return "black";
 218 }
 219
 220
 221 string const ColorSet::getLyXName(ColorCode c) const
 222 {
 223         InfoTab::const_iterator it = infotab.find(c);
 224         if (it != infotab.end())
 225                 return it->second.lyxname;
 226         return "black";
 227 }
 228
 229
 230 bool ColorSet::setColor(ColorCode col, string const & x11name)
 231 {
 232         InfoTab::iterator it = infotab.find(col);
 233         if (it == infotab.end()) {
 234                 lyxerr << "Color " << col << " not found in database."
 235                        << std::endl;
 236                 return false;
 237         }
 238
 239         // "inherit" is returned for colors not in the database
 240         // (and anyway should not be redefined)
 241         if (col == Color_none || col == Color_inherit || col == Color_ignore) {
 242                 lyxerr << "Color " << getLyXName(col)
 243                        << " may not be redefined" << endl;
 244                 return false;
 245         }
 246
 247         it->second.x11name = x11name;
 248         return true;
 249 }
 250
 251
 252 bool ColorSet::setColor(string const & lyxname, string const &x11name)
 253 {
 254         string const lcname = ascii_lowercase(lyxname);
 255         if (lyxcolors.find(lcname) == lyxcolors.end()) {
 256                 LYXERR(Debug::GUI)
 257                         << "ColorSet::setColor: Unknown color \""
 258                        << lyxname << '"' << endl;
 259                 addColor(static_cast<ColorCode>(infotab.size()), lcname);
 260         }
 261
 262         return setColor(lyxcolors[lcname], x11name);
 263 }
 264
 265
 266 void ColorSet::addColor(ColorCode c, string const & lyxname)
 267 {
 268         ColorEntry ce = { c, "", "", "", lyxname.c_str() };
 269         fill(ce);
 270 }
 271
 272
 273 ColorCode ColorSet::getFromLyXName(string const & lyxname) const
 274 {
 275         string const lcname = ascii_lowercase(lyxname);
 276         Transform::const_iterator it = lyxcolors.find(lcname);
 277         if (it == lyxcolors.end()) {
 278                 lyxerr << "ColorSet::getFromLyXName: Unknown color \""
 279                        << lyxname << '"' << endl;
 280                 return Color_none;
 281         }
 282
 283         return it->second;
 284 }
 285
 286
 287 ColorCode ColorSet::getFromLaTeXName(string const & latexname) const
 288 {
 289         Transform::const_iterator it = latexcolors.find(latexname);
 290         if (it == latexcolors.end()) {
 291                 lyxerr << "ColorSet::getFromLaTeXName: Unknown color \""
 292                        << latexname << '"' << endl;
 293                 return Color_none;
 294         }
 295
 296         return it->second;
 297 }
 298
 299
 300 // The evil global Color instance
 301 ColorSet lcolor;
 302 // An equally evil global system Color instance
 303 ColorSet system_lcolor;
 304
 305
 306 } // namespace lyx