src/Font.cpp

   1 /**
   2  * \file src/Font.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Lars Gullik Bjønnes
   7  * \author Jean-Marc Lasgouttes
   8  * \author Angus Leeming
   9  * \author André Pönitz
  10  * \author Dekel Tsur
  11  *
  12  * Full author contact details are available in file CREDITS.
  13  */
  14
  15 #include <config.h>
  16
  17 #include "Font.h"
  18
  19 #include "BufferParams.h" // stateText
  20 #include "ColorSet.h"
  21 #include "Encoding.h"
  22 #include "Language.h"
  23 #include "LaTeXFeatures.h"
  24 #include "Lexer.h"
  25 #include "LyXRC.h"
  26 #include "output_latex.h"
  27 #include "OutputParams.h"
  28
  29 #include "support/lassert.h"
  30 #include "support/convert.h"
  31 #include "support/debug.h"
  32 #include "support/gettext.h"
  33 #include "support/lstrings.h"
  34
  35 #include <cstring>
  36
  37 using namespace std;
  38 using namespace lyx::support;
  39
  40 namespace lyx {
  41
  42 //
  43 // Strings used to read and write .lyx format files
  44 //
  45 // These are defined in FontInfo.cpp
  46 extern char const * LyXFamilyNames[NUM_FAMILIES + 2];
  47 extern char const * LyXSeriesNames[NUM_SERIES + 2];
  48 extern char const * LyXShapeNames[NUM_SHAPE + 2];
  49 extern char const * LyXSizeNames[NUM_SIZE + 4];
  50 extern char const * LyXMiscNames[5];
  51
  52 //
  53 // Names for the GUI
  54 //
  55
  56 namespace {
  57
  58 char const * GUIFamilyNames[NUM_FAMILIES + 2 /* default & error */] =
  59 { N_("Roman"), N_("Sans Serif"), N_("Typewriter"), N_("Symbol"),
  60   "cmr", "cmsy", "cmm", "cmex", "msa", "msb", "eufrak", "rsfs", "stmry",
  61   "wasy", "esint", N_("Inherit"), N_("Ignore") };
  62
  63 char const * GUISeriesNames[NUM_SERIES + 2 /* default & error */] =
  64 { N_("Medium"), N_("Bold"), N_("Inherit"), N_("Ignore") };
  65
  66 char const * GUIShapeNames[NUM_SHAPE + 2 /* default & error */] =
  67 { N_("Upright"), N_("Italic"), N_("Slanted"), N_("Smallcaps"), N_("Inherit"),
  68   N_("Ignore") };
  69
  70 char const * GUISizeNames[NUM_SIZE + 4 /* increase, decrease, default & error */] =
  71 { N_("Tiny"), N_("Smallest"), N_("Smaller"), N_("Small"), N_("Normal"), N_("Large"),
  72   N_("Larger"), N_("Largest"), N_("Huge"), N_("Huger"), N_("Increase"), N_("Decrease"),
  73   N_("Inherit"), N_("Ignore") };
  74
  75 char const * GUIMiscNames[5] =
  76 { N_("Off"), N_("On"), N_("Toggle"), N_("Inherit"), N_("Ignore") };
  77
  78 //
  79 // Strings used to write LaTeX files
  80 //
  81 char const * LaTeXFamilyNames[NUM_FAMILIES + 2] =
  82 { "textrm", "textsf", "texttt", "error1", "error2", "error3", "error4",
  83   "error5", "error6", "error7", "error8", "error9", "error10", "error11",
  84   "error12", "error13" };
  85
  86 char const * LaTeXSeriesNames[NUM_SERIES + 2] =
  87 { "textmd", "textbf", "error4", "error5" };
  88
  89 char const * LaTeXShapeNames[NUM_SHAPE + 2] =
  90 { "textup", "textit", "textsl", "textsc", "error6", "error7" };
  91
  92 char const * LaTeXSizeNames[NUM_SIZE + 4] =
  93 { "tiny", "scriptsize", "footnotesize", "small", "normalsize", "large",
  94   "Large", "LARGE", "huge", "Huge", "error8", "error9", "error10", "error11" };
  95
  96 } // namespace anon
  97
  98
  99 Font::Font(FontInfo bits, Language const * l)
 100         : bits_(bits), lang_(l), open_encoding_(false)
 101 {
 102         if (!lang_)
 103                 lang_ = default_language;
 104 }
 105
 106
 107 bool Font::isRightToLeft() const
 108 {
 109         return lang_->rightToLeft();
 110 }
 111
 112
 113 bool Font::isVisibleRightToLeft() const
 114 {
 115         return (lang_->rightToLeft() &&
 116                 bits_.number() != FONT_ON);
 117 }
 118
 119
 120 void Font::setLanguage(Language const * l)
 121 {
 122         lang_ = l;
 123 }
 124
 125
 126 /// Updates font settings according to request
 127 void Font::update(Font const & newfont,
 128                      Language const * document_language,
 129                      bool toggleall)
 130 {
 131         bits_.update(newfont.fontInfo(), toggleall);
 132
 133         if (newfont.language() == language() && toggleall)
 134                 if (language() == document_language)
 135                         setLanguage(default_language);
 136                 else
 137                         setLanguage(document_language);
 138         else if (newfont.language() == reset_language)
 139                 setLanguage(document_language);
 140         else if (newfont.language() != ignore_language)
 141                 setLanguage(newfont.language());
 142 }
 143
 144
 145 docstring const stateText(FontInfo const & f)
 146 {
 147         odocstringstream os;
 148         if (f.family() != INHERIT_FAMILY)
 149                 os << _(GUIFamilyNames[f.family()]) << ", ";
 150         if (f.series() != INHERIT_SERIES)
 151                 os << _(GUISeriesNames[f.series()]) << ", ";
 152         if (f.shape() != INHERIT_SHAPE)
 153                 os << _(GUIShapeNames[f.shape()]) << ", ";
 154         if (f.size() != FONT_SIZE_INHERIT)
 155                 os << _(GUISizeNames[f.size()]) << ", ";
 156         if (f.color() != Color_inherit)
 157                 os << lcolor.getGUIName(f.color()) << ", ";
 158         // FIXME: uncomment this when we support background.
 159         //if (f.background() != Color_inherit)
 160         //      os << lcolor.getGUIName(f.background()) << ", ";
 161         if (f.emph() != FONT_INHERIT)
 162                 os << bformat(_("Emphasis %1$s, "),
 163                               _(GUIMiscNames[f.emph()]));
 164         if (f.underbar() != FONT_INHERIT)
 165                 os << bformat(_("Underline %1$s, "),
 166                               _(GUIMiscNames[f.underbar()]));
 167         if (f.strikeout() != FONT_INHERIT)
 168                 os << bformat(_("Strikeout %1$s, "),
 169                               _(GUIMiscNames[f.strikeout()]));
 170         if (f.uuline() != FONT_INHERIT)
 171                 os << bformat(_("Double underline %1$s, "),
 172                               _(GUIMiscNames[f.uuline()]));
 173         if (f.uwave() != FONT_INHERIT)
 174                 os << bformat(_("Wavy underline %1$s, "),
 175                               _(GUIMiscNames[f.uwave()]));
 176         if (f.noun() != FONT_INHERIT)
 177                 os << bformat(_("Noun %1$s, "),
 178                               _(GUIMiscNames[f.noun()]));
 179         if (f == inherit_font)
 180                 os << _("Default") << ", ";
 181
 182         return os.str();
 183 }
 184
 185
 186 docstring const Font::stateText(BufferParams * params) const
 187 {
 188         odocstringstream os;
 189         os << lyx::stateText(bits_);
 190         if (!params || (language() != params->language))
 191                 os << bformat(_("Language: %1$s, "),
 192                               _(language()->display()));
 193         if (bits_.number() != FONT_OFF)
 194                 os << "  " << bformat(_("Number %1$s"),
 195                               _(GUIMiscNames[bits_.number()]));
 196         return rtrim(os.str(), ", ");
 197 }
 198
 199
 200 // Returns size in latex format
 201 string const Font::latexSize() const
 202 {
 203         return LaTeXSizeNames[bits_.size()];
 204 }
 205
 206
 207 /// Writes the changes from this font to orgfont in .lyx format in file
 208 void Font::lyxWriteChanges(Font const & orgfont,
 209                               ostream & os) const
 210 {
 211         os << "\n";
 212         if (orgfont.fontInfo().family() != bits_.family())
 213                 os << "\\family " << LyXFamilyNames[bits_.family()] << "\n";
 214         if (orgfont.fontInfo().series() != bits_.series())
 215                 os << "\\series " << LyXSeriesNames[bits_.series()] << "\n";
 216         if (orgfont.fontInfo().shape() != bits_.shape())
 217                 os << "\\shape " << LyXShapeNames[bits_.shape()] << "\n";
 218         if (orgfont.fontInfo().size() != bits_.size())
 219                 os << "\\size " << LyXSizeNames[bits_.size()] << "\n";
 220         if (orgfont.fontInfo().emph() != bits_.emph())
 221                 os << "\\emph " << LyXMiscNames[bits_.emph()] << "\n";
 222         if (orgfont.fontInfo().number() != bits_.number())
 223                 os << "\\numeric " << LyXMiscNames[bits_.number()] << "\n";
 224         if (orgfont.fontInfo().underbar() != bits_.underbar()) {
 225                 // This is only for backwards compatibility
 226                 switch (bits_.underbar()) {
 227                 case FONT_OFF:  os << "\\bar no\n"; break;
 228                 case FONT_ON:        os << "\\bar under\n"; break;
 229                 case FONT_TOGGLE:       lyxerr << "Font::lyxWriteFontChanges: "
 230                                         "FONT_TOGGLE should not appear here!"
 231                                        << endl;
 232                 break;
 233                 case FONT_INHERIT:   os << "\\bar default\n"; break;
 234                 case FONT_IGNORE:    lyxerr << "Font::lyxWriteFontChanges: "
 235                                         "IGNORE should not appear here!"
 236                                        << endl;
 237                 break;
 238                 }
 239         }
 240         if (orgfont.fontInfo().strikeout() != bits_.strikeout()) {
 241                 os << "\\strikeout " << LyXMiscNames[bits_.strikeout()] << "\n";
 242         }
 243         if (orgfont.fontInfo().uuline() != bits_.uuline()) {
 244                 os << "\\uuline " << LyXMiscNames[bits_.uuline()] << "\n";
 245         }
 246         if (orgfont.fontInfo().uwave() != bits_.uwave()) {
 247                 os << "\\uwave " << LyXMiscNames[bits_.uwave()] << "\n";
 248         }
 249         if (orgfont.fontInfo().noun() != bits_.noun()) {
 250                 os << "\\noun " << LyXMiscNames[bits_.noun()] << "\n";
 251         }
 252         if (orgfont.fontInfo().color() != bits_.color())
 253                 os << "\\color " << lcolor.getLyXName(bits_.color()) << '\n';
 254         // FIXME: uncomment this when we support background.
 255         //if (orgfont.fontInfo().background() != bits_.background())
 256         //      os << "\\color " << lcolor.getLyXName(bits_.background()) << '\n';
 257         if (orgfont.language() != language() &&
 258             language() != latex_language) {
 259                 if (language())
 260                         os << "\\lang " << language()->lang() << "\n";
 261                 else
 262                         os << "\\lang unknown\n";
 263         }
 264 }
 265
 266
 267 /// Writes the head of the LaTeX needed to impose this font
 268 // Returns number of chars written.
 269 int Font::latexWriteStartChanges(odocstream & os, BufferParams const & bparams,
 270                                     OutputParams const & runparams,
 271                                     Font const & base,
 272                                     Font const & prev) const
 273 {
 274         bool env = false;
 275
 276         int count = 0;
 277
 278         // polyglossia or babel?
 279         if (runparams.use_polyglossia
 280             && language()->lang() != base.language()->lang()
 281             && language() != prev.language()) {
 282                 if (!language()->polyglossia().empty()) {
 283                         string tmp = "\\text" + language()->polyglossia();
 284                         if (!language()->polyglossiaOpts().empty())
 285                                 tmp += "[" + language()->polyglossiaOpts() + "]";
 286                         tmp += "{";
 287                         os << from_ascii(tmp);
 288                         count += tmp.length();
 289                         pushLanguageName(language()->polyglossia(), true);
 290                 } else if (language()->encoding()->package() != Encoding::CJK) {
 291                         os << '{';
 292                         count += 1;
 293                 }
 294         } else if (language()->babel() != base.language()->babel() &&
 295             language() != prev.language()) {
 296                 if (language()->lang() == "farsi") {
 297                         os << "\\textFR{";
 298                         count += 8;
 299                 } else if (!isRightToLeft() &&
 300                             base.language()->lang() == "farsi") {
 301                         os << "\\textLR{";
 302                         count += 8;
 303                 } else if (language()->lang() == "arabic_arabi") {
 304                         os << "\\textAR{";
 305                         count += 8;
 306                 } else if (!isRightToLeft() &&
 307                                 base.language()->lang() == "arabic_arabi") {
 308                         os << "\\textLR{";
 309                         count += 8;
 310                 // currently the remaining RTL languages are arabic_arabtex and hebrew
 311                 } else if (isRightToLeft() != prev.isRightToLeft()) {
 312                         if (isRightToLeft()) {
 313                                 os << "\\R{";
 314                                 count += 3;
 315                         } else {
 316                                 os << "\\L{";
 317                                 count += 3;
 318                         }
 319                 } else if (!language()->babel().empty()) {
 320                         string const tmp =
 321                                 subst(lyxrc.language_command_local,
 322                                       "$$lang", language()->babel());
 323                         os << from_ascii(tmp);
 324                         count += tmp.length();
 325                         if (!lyxrc.language_command_end.empty())
 326                                 pushLanguageName(language()->babel(), true);
 327                 } else if (language()->encoding()->package() != Encoding::CJK) {
 328                         os << '{';
 329                         count += 1;
 330                 }
 331         }
 332
 333         if (language()->encoding()->package() == Encoding::CJK) {
 334                 pair<bool, int> const c = switchEncoding(os, bparams,
 335                                 runparams, *(language()->encoding()));
 336                 if (c.first) {
 337                         open_encoding_ = true;
 338                         count += c.second;
 339                         runparams.encoding = language()->encoding();
 340                 }
 341         }
 342
 343         // If the current language is Hebrew, Arabic, or Farsi
 344         // the numbers are written Left-to-Right. ArabTeX package
 345         // reorders the number automatically but the packages used
 346         // for Hebrew and Farsi (Arabi) do not.
 347         if (bits_.number() == FONT_ON && prev.fontInfo().number() != FONT_ON
 348                 && (language()->lang() == "hebrew"
 349                         || language()->lang() == "farsi"
 350                         || language()->lang() == "arabic_arabi")) {
 351                 os << "{\\beginL ";
 352                 count += 9;
 353         }
 354
 355         FontInfo f = bits_;
 356         f.reduce(base.bits_);
 357
 358         if (f.family() != INHERIT_FAMILY) {
 359                 os << '\\'
 360                    << LaTeXFamilyNames[f.family()]
 361                    << '{';
 362                 count += strlen(LaTeXFamilyNames[f.family()]) + 2;
 363                 env = true; //We have opened a new environment
 364         }
 365         if (f.series() != INHERIT_SERIES) {
 366                 os << '\\'
 367                    << LaTeXSeriesNames[f.series()]
 368                    << '{';
 369                 count += strlen(LaTeXSeriesNames[f.series()]) + 2;
 370                 env = true; //We have opened a new environment
 371         }
 372         if (f.shape() != INHERIT_SHAPE) {
 373                 os << '\\'
 374                    << LaTeXShapeNames[f.shape()]
 375                    << '{';
 376                 count += strlen(LaTeXShapeNames[f.shape()]) + 2;
 377                 env = true; //We have opened a new environment
 378         }
 379         if (f.color() != Color_inherit && f.color() != Color_ignore) {
 380                 os << "\\textcolor{"
 381                    << from_ascii(lcolor.getLaTeXName(f.color()))
 382                    << "}{";
 383                 count += lcolor.getLaTeXName(f.color()).length() + 13;
 384                 env = true; //We have opened a new environment
 385         }
 386         // FIXME: uncomment this when we support background.
 387         /*
 388         if (f.background() != Color_inherit && f.background() != Color_ignore) {
 389                 os << "\\textcolor{"
 390                    << from_ascii(lcolor.getLaTeXName(f.background()))
 391                    << "}{";
 392                 count += lcolor.getLaTeXName(f.background()).length() + 13;
 393                 env = true; //We have opened a new environment
 394         }
 395         */
 396         if (f.emph() == FONT_ON) {
 397                 os << "\\emph{";
 398                 count += 6;
 399                 env = true; //We have opened a new environment
 400         }
 401         // \noun{} is a LyX special macro
 402         if (f.noun() == FONT_ON) {
 403                 os << "\\noun{";
 404                 count += 6;
 405                 env = true; //We have opened a new environment
 406         }
 407         if (f.size() != FONT_SIZE_INHERIT) {
 408                 // If we didn't open an environment above, we open one here
 409                 if (!env) {
 410                         os << '{';
 411                         ++count;
 412                 }
 413                 os << '\\'
 414                    << LaTeXSizeNames[f.size()]
 415                    << "{}";
 416                 count += strlen(LaTeXSizeNames[f.size()]) + 3;
 417         }
 418         // The ulem commands need to be on the deepest nesting level
 419         // because ulem puts every nested group or macro in a box,
 420         // which prevents linebreaks (#8424, #8733)
 421         if (f.underbar() == FONT_ON) {
 422                 os << "\\uline{";
 423                 count += 10;
 424                 ++runparams.inulemcmd;
 425         }
 426         if (f.strikeout() == FONT_ON) {
 427                 os << "\\sout{";
 428                 count += 9;
 429                 ++runparams.inulemcmd;
 430         }
 431         if (f.uuline() == FONT_ON) {
 432                 os << "\\uuline{";
 433                 count += 11;
 434                 ++runparams.inulemcmd;
 435         }
 436         if (f.uwave() == FONT_ON) {
 437                 os << "\\uwave{";
 438                 count += 10;
 439                 ++runparams.inulemcmd;
 440         }
 441         return count;
 442 }
 443
 444
 445 /// Writes ending block of LaTeX needed to close use of this font
 446 // Returns number of chars written
 447 // This one corresponds to latexWriteStartChanges(). (Asger)
 448 int Font::latexWriteEndChanges(otexstream & os, BufferParams const & bparams,
 449                                   OutputParams const & runparams,
 450                                   Font const & base,
 451                                   Font const & next,
 452                                   bool & needPar,
 453                                   bool const & closeLanguage) const
 454 {
 455         int count = 0;
 456         bool env = false;
 457
 458         // reduce the current font to changes against the base
 459         // font (of the layout). We use a temporary for this to
 460         // avoid changing this font instance, as that would break
 461         FontInfo f = bits_;
 462         f.reduce(base.bits_);
 463
 464         if (f.family() != INHERIT_FAMILY) {
 465                 os << '}';
 466                 ++count;
 467                 env = true; // Size change need not bother about closing env.
 468         }
 469         if (f.series() != INHERIT_SERIES) {
 470                 os << '}';
 471                 ++count;
 472                 env = true; // Size change need not bother about closing env.
 473         }
 474         if (f.shape() != INHERIT_SHAPE) {
 475                 os << '}';
 476                 ++count;
 477                 env = true; // Size change need not bother about closing env.
 478         }
 479         if (f.color() != Color_inherit && f.color() != Color_ignore) {
 480                 os << '}';
 481                 ++count;
 482                 env = true; // Size change need not bother about closing env.
 483         }
 484         if (f.emph() == FONT_ON) {
 485                 os << '}';
 486                 ++count;
 487                 env = true; // Size change need not bother about closing env.
 488         }
 489         if (f.noun() == FONT_ON) {
 490                 os << '}';
 491                 ++count;
 492                 env = true; // Size change need not bother about closing env.
 493         }
 494         if (f.size() != FONT_SIZE_INHERIT) {
 495                 // We only have to close if only size changed
 496                 if (!env) {
 497                         if (needPar && !closeLanguage) {
 498                                 os << "\\par";
 499                                 count += 4;
 500                                 needPar = false;
 501                         }
 502                         os << '}';
 503                         ++count;
 504                 }
 505         }
 506         if (f.underbar() == FONT_ON) {
 507                 os << '}';
 508                 ++count;
 509                 --runparams.inulemcmd;
 510         }
 511         if (f.strikeout() == FONT_ON) {
 512                 os << '}';
 513                 ++count;
 514                 --runparams.inulemcmd;
 515         }
 516         if (f.uuline() == FONT_ON) {
 517                 os << '}';
 518                 ++count;
 519                 --runparams.inulemcmd;
 520         }
 521         if (f.uwave() == FONT_ON) {
 522                 os << '}';
 523                 ++count;
 524                 --runparams.inulemcmd;
 525         }
 526
 527         // If the current language is Hebrew, Arabic, or Farsi
 528         // the numbers are written Left-to-Right. ArabTeX package
 529         // reorders the number automatically but the packages used
 530         // for Hebrew and Farsi (Arabi) do not.
 531         if (bits_.number() == FONT_ON && next.fontInfo().number() != FONT_ON
 532                 && (language()->lang() == "hebrew"
 533                         || language()->lang() == "farsi"
 534                         || language()->lang() == "arabic_arabi")) {
 535                 os << "\\endL}";
 536                 count += 6;
 537         }
 538
 539         if (open_encoding_) {
 540                 // We need to close the encoding even if it does not change
 541                 // to do correct environment nesting
 542                 Encoding const * const ascii = encodings.fromLyXName("ascii");
 543                 pair<bool, int> const c = switchEncoding(os.os(), bparams,
 544                                 runparams, *ascii);
 545                 LATTEST(c.first);
 546                 count += c.second;
 547                 runparams.encoding = ascii;
 548                 open_encoding_ = false;
 549         }
 550
 551         if (closeLanguage
 552             && language() != base.language() && language() != next.language()
 553             && language()->encoding()->package() != Encoding::CJK) {
 554                 os << '}';
 555                 ++count;
 556                 bool const using_begin_end =
 557                         runparams.use_polyglossia ||
 558                                 !lyxrc.language_command_end.empty();
 559                 if (using_begin_end)
 560                         popLanguageName();
 561         }
 562
 563         return count;
 564 }
 565
 566
 567 string Font::toString(bool const toggle) const
 568 {
 569         string const lang = (language() == reset_language)
 570                 ? "reset" : language()->lang();
 571
 572         ostringstream os;
 573         os << "family " << bits_.family() << '\n'
 574            << "series " << bits_.series() << '\n'
 575            << "shape " << bits_.shape() << '\n'
 576            << "size " << bits_.size() << '\n'
 577            << "emph " << bits_.emph() << '\n'
 578            << "underbar " << bits_.underbar() << '\n'
 579            << "strikeout " << bits_.strikeout() << '\n'
 580            << "uuline " << bits_.uuline() << '\n'
 581            << "uwave " << bits_.uwave() << '\n'
 582            << "noun " << bits_.noun() << '\n'
 583            << "number " << bits_.number() << '\n'
 584            << "color " << bits_.color() << '\n'
 585            << "language " << lang << '\n'
 586            << "toggleall " << convert<string>(toggle);
 587         return os.str();
 588 }
 589
 590
 591 bool Font::fromString(string const & data, bool & toggle)
 592 {
 593         istringstream is(data);
 594         Lexer lex;
 595         lex.setStream(is);
 596
 597         int nset = 0;
 598         while (lex.isOK()) {
 599                 string token;
 600                 if (lex.next())
 601                         token = lex.getString();
 602
 603                 if (token.empty() || !lex.next())
 604                         break;
 605
 606                 if (token == "family") {
 607                         int const next = lex.getInteger();
 608                         bits_.setFamily(FontFamily(next));
 609
 610                 } else if (token == "series") {
 611                         int const next = lex.getInteger();
 612                         bits_.setSeries(FontSeries(next));
 613
 614                 } else if (token == "shape") {
 615                         int const next = lex.getInteger();
 616                         bits_.setShape(FontShape(next));
 617
 618                 } else if (token == "size") {
 619                         int const next = lex.getInteger();
 620                         bits_.setSize(FontSize(next));
 621
 622                 } else if (token == "emph" || token == "underbar" ||
 623                            token == "noun" || token == "number" ||
 624                            token == "uuline" || token == "uwave" ||
 625                            token == "strikeout") {
 626
 627                         int const next = lex.getInteger();
 628                         FontState const misc = FontState(next);
 629
 630                         if (token == "emph")
 631                                 bits_.setEmph(misc);
 632                         else if (token == "underbar")
 633                                 bits_.setUnderbar(misc);
 634                         else if (token == "strikeout")
 635                                 bits_.setStrikeout(misc);
 636                         else if (token == "uuline")
 637                                 bits_.setUuline(misc);
 638                         else if (token == "uwave")
 639                                 bits_.setUwave(misc);
 640                         else if (token == "noun")
 641                                 bits_.setNoun(misc);
 642                         else if (token == "number")
 643                                 bits_.setNumber(misc);
 644
 645                 } else if (token == "color") {
 646                         int const next = lex.getInteger();
 647                         bits_.setColor(ColorCode(next));
 648
 649                 /**
 650                 } else if (token == "background") {
 651                         int const next = lex.getInteger();
 652                         bits_.setBackground(ColorCode(next));
 653                 */
 654
 655                 } else if (token == "language") {
 656                         string const next = lex.getString();
 657                         setLanguage(languages.getLanguage(next));
 658
 659                 } else if (token == "toggleall") {
 660                         toggle = lex.getBool();
 661
 662                 } else {
 663                         // Unrecognised token
 664                         break;
 665                 }
 666
 667                 ++nset;
 668         }
 669         return (nset > 0);
 670 }
 671
 672
 673 void Font::validate(LaTeXFeatures & features) const
 674 {
 675         BufferParams const & bparams = features.bufferParams();
 676         Language const * doc_language = bparams.language;
 677
 678         if (bits_.noun() == FONT_ON) {
 679                 LYXERR(Debug::LATEX, "font.noun: " << bits_.noun());
 680                 features.require("noun");
 681                 LYXERR(Debug::LATEX, "Noun enabled. Font: " << to_utf8(stateText(0)));
 682         }
 683         if (bits_.underbar() == FONT_ON) {
 684                 LYXERR(Debug::LATEX, "font.underline: " << bits_.underbar());
 685                 features.require("ulem");
 686                 LYXERR(Debug::LATEX, "Underline enabled. Font: " << to_utf8(stateText(0)));
 687         }
 688         if (bits_.strikeout() == FONT_ON) {
 689                 LYXERR(Debug::LATEX, "font.strikeout: " << bits_.strikeout());
 690                 features.require("ulem");
 691                 LYXERR(Debug::LATEX, "Strikeout enabled. Font: " << to_utf8(stateText(0)));
 692         }
 693         if (bits_.uuline() == FONT_ON) {
 694                 LYXERR(Debug::LATEX, "font.uuline: " << bits_.uuline());
 695                 features.require("ulem");
 696                 LYXERR(Debug::LATEX, "Double underline enabled. Font: " << to_utf8(stateText(0)));
 697         }
 698         if (bits_.uwave() == FONT_ON) {
 699                 LYXERR(Debug::LATEX, "font.uwave: " << bits_.uwave());
 700                 features.require("ulem");
 701                 LYXERR(Debug::LATEX, "Wavy underline enabled. Font: " << to_utf8(stateText(0)));
 702         }
 703         switch (bits_.color()) {
 704                 case Color_none:
 705                 case Color_inherit:
 706                 case Color_ignore:
 707                         // probably we should put here all interface colors used for
 708                         // font displaying! For now I just add this ones I know of (Jug)
 709                 case Color_latex:
 710                 case Color_notelabel:
 711                         break;
 712                 case Color_brown:
 713                 case Color_darkgray:
 714                 case Color_gray:
 715                 case Color_lightgray:
 716                 case Color_lime:
 717                 case Color_olive:
 718                 case Color_orange:
 719                 case Color_pink:
 720                 case Color_purple:
 721                 case Color_teal:
 722                 case Color_violet:
 723                         features.require("xcolor");
 724                         break;
 725                 default:
 726                         features.require("color");
 727                         LYXERR(Debug::LATEX, "Color enabled. Font: " << to_utf8(stateText(0)));
 728         }
 729
 730         // FIXME: Do something for background and soul package?
 731
 732         if (((features.usePolyglossia() && lang_->polyglossia() != doc_language->polyglossia())
 733              || (features.useBabel() && lang_->babel() != doc_language->babel())
 734              || (doc_language->encoding()->package() == Encoding::CJK && lang_ != doc_language))
 735             && lang_ != ignore_language
 736             && lang_ != latex_language)
 737         {
 738                 features.useLanguage(lang_);
 739                 LYXERR(Debug::LATEX, "Found language " << lang_->lang());
 740         }
 741 }
 742
 743
 744 ostream & operator<<(ostream & os, FontState fms)
 745 {
 746         return os << int(fms);
 747 }
 748
 749
 750 ostream & operator<<(ostream & os, FontInfo const & f)
 751 {
 752         return os << "font:"
 753                 << " family " << f.family()
 754                 << " series " << f.series()
 755                 << " shape " << f.shape()
 756                 << " size " << f.size()
 757                 << " color " << f.color()
 758                 // FIXME: uncomment this when we support background.
 759                 //<< " background " << f.background()
 760                 << " emph " << f.emph()
 761                 << " underbar " << f.underbar()
 762                 << " strikeout " << f.strikeout()
 763                 << " uuline " << f.uuline()
 764                 << " uwave " << f.uwave()
 765                 << " noun " << f.noun()
 766                 << " number " << f.number();
 767 }
 768
 769
 770 ostream & operator<<(ostream & os, Font const & font)
 771 {
 772         return os << font.bits_
 773                 << " lang: " << (font.lang_ ? font.lang_->lang() : 0);
 774 }
 775
 776
 777 } // namespace lyx