3 * This file is part of LyX, the document processor.
4 * Licence details can be found in the file COPYING.
6 * \author Lars Gullik Bjønnes
7 * \author Jean-Marc Lasgouttes
8 * \author Angus Leeming
12 * Full author contact details are available in file CREDITS.
19 #include "BufferParams.h" // stateText
23 #include "LaTeXFeatures.h"
26 #include "output_latex.h"
27 #include "OutputParams.h"
28 #include "texstream.h"
30 #include "support/lassert.h"
31 #include "support/convert.h"
32 #include "support/debug.h"
33 #include "support/gettext.h"
34 #include "support/lstrings.h"
39 using namespace lyx::support;
44 // Strings used to read and write .lyx format files
46 // These are defined in FontInfo.cpp
47 extern char const * LyXFamilyNames[NUM_FAMILIES + 2];
48 extern char const * LyXSeriesNames[NUM_SERIES + 2];
49 extern char const * LyXShapeNames[NUM_SHAPE + 2];
50 extern char const * LyXSizeNames[NUM_SIZE + 4];
51 extern char const * LyXMiscNames[5];
59 char const * GUIFamilyNames[NUM_FAMILIES + 2 /* default & error */] =
60 { N_("Roman"), N_("Sans Serif"), N_("Typewriter"), N_("Symbol"),
61 "cmr", "cmsy", "cmm", "cmex", "msa", "msb", "eufrak", "rsfs", "stmry",
62 "wasy", "esint", N_("Inherit"), N_("Ignore") };
64 char const * GUISeriesNames[NUM_SERIES + 2 /* default & error */] =
65 { N_("Medium"), N_("Bold"), N_("Inherit"), N_("Ignore") };
67 char const * GUIShapeNames[NUM_SHAPE + 2 /* default & error */] =
68 { N_("Upright"), N_("Italic"), N_("Slanted"), N_("Smallcaps"), N_("Inherit"),
71 char const * GUISizeNames[NUM_SIZE + 4 /* increase, decrease, default & error */] =
72 { N_("Tiny"), N_("Smallest"), N_("Smaller"), N_("Small"), N_("Normal"), N_("Large"),
73 N_("Larger"), N_("Largest"), N_("Huge"), N_("Huger"), N_("Increase"), N_("Decrease"),
74 N_("Inherit"), N_("Ignore") };
76 char const * GUIMiscNames[5] =
77 { N_("Off"), N_("On"), N_("Toggle"), N_("Inherit"), N_("Ignore") };
80 // Strings used to write LaTeX files
82 char const * LaTeXFamilyNames[NUM_FAMILIES + 2] =
83 { "textrm", "textsf", "texttt", "error1", "error2", "error3", "error4",
84 "error5", "error6", "error7", "error8", "error9", "error10", "error11",
85 "error12", "error13" };
87 char const * LaTeXSeriesNames[NUM_SERIES + 2] =
88 { "textmd", "textbf", "error4", "error5" };
90 char const * LaTeXShapeNames[NUM_SHAPE + 2] =
91 { "textup", "textit", "textsl", "textsc", "error6", "error7" };
93 char const * LaTeXSizeNames[NUM_SIZE + 4] =
94 { "tiny", "scriptsize", "footnotesize", "small", "normalsize", "large",
95 "Large", "LARGE", "huge", "Huge", "error8", "error9", "error10", "error11" };
100 Font::Font(FontInfo bits, Language const * l)
101 : bits_(bits), lang_(l), open_encoding_(false)
104 lang_ = default_language;
108 bool Font::isRightToLeft() const
110 return lang_->rightToLeft();
114 bool Font::isVisibleRightToLeft() const
116 return (lang_->rightToLeft() &&
117 bits_.number() != FONT_ON);
121 void Font::setLanguage(Language const * l)
127 /// Updates font settings according to request
128 void Font::update(Font const & newfont,
129 Language const * document_language,
132 bits_.update(newfont.fontInfo(), toggleall);
134 if (newfont.language() == language() && toggleall)
135 if (language() == document_language)
136 setLanguage(default_language);
138 setLanguage(document_language);
139 else if (newfont.language() == reset_language)
140 setLanguage(document_language);
141 else if (newfont.language() != ignore_language)
142 setLanguage(newfont.language());
146 docstring const stateText(FontInfo const & f)
149 if (f.family() != INHERIT_FAMILY)
150 os << _(GUIFamilyNames[f.family()]) << ", ";
151 if (f.series() != INHERIT_SERIES)
152 os << _(GUISeriesNames[f.series()]) << ", ";
153 if (f.shape() != INHERIT_SHAPE)
154 os << _(GUIShapeNames[f.shape()]) << ", ";
155 if (f.size() != FONT_SIZE_INHERIT)
156 os << _(GUISizeNames[f.size()]) << ", ";
157 if (f.color() != Color_inherit)
158 os << lcolor.getGUIName(f.color()) << ", ";
159 // FIXME: uncomment this when we support background.
160 //if (f.background() != Color_inherit)
161 // os << lcolor.getGUIName(f.background()) << ", ";
162 if (f.emph() != FONT_INHERIT)
163 os << bformat(_("Emphasis %1$s, "),
164 _(GUIMiscNames[f.emph()]));
165 if (f.underbar() != FONT_INHERIT)
166 os << bformat(_("Underline %1$s, "),
167 _(GUIMiscNames[f.underbar()]));
168 if (f.strikeout() != FONT_INHERIT)
169 os << bformat(_("Strike out %1$s, "),
170 _(GUIMiscNames[f.strikeout()]));
171 if (f.xout() != FONT_INHERIT)
172 os << bformat(_("Cross out %1$s, "),
173 _(GUIMiscNames[f.xout()]));
174 if (f.uuline() != FONT_INHERIT)
175 os << bformat(_("Double underline %1$s, "),
176 _(GUIMiscNames[f.uuline()]));
177 if (f.uwave() != FONT_INHERIT)
178 os << bformat(_("Wavy underline %1$s, "),
179 _(GUIMiscNames[f.uwave()]));
180 if (f.noun() != FONT_INHERIT)
181 os << bformat(_("Noun %1$s, "),
182 _(GUIMiscNames[f.noun()]));
183 if (f == inherit_font)
184 os << _("Default") << ", ";
190 docstring const Font::stateText(BufferParams * params) const
193 os << lyx::stateText(bits_);
194 if (!params || (language() != params->language)) {
195 // reset_language is a null pointer!
196 os << bformat(_("Language: %1$s, "),
197 (language() == reset_language) ? _("Default")
198 : _(language()->display()));
200 if (bits_.number() != FONT_OFF)
201 os << " " << bformat(_("Number %1$s"),
202 _(GUIMiscNames[bits_.number()]));
203 return rtrim(os.str(), ", ");
207 // Returns size in latex format
208 string const Font::latexSize() const
210 return LaTeXSizeNames[bits_.size()];
214 /// Writes the changes from this font to orgfont in .lyx format in file
215 void Font::lyxWriteChanges(Font const & orgfont,
219 if (orgfont.fontInfo().family() != bits_.family())
220 os << "\\family " << LyXFamilyNames[bits_.family()] << "\n";
221 if (orgfont.fontInfo().series() != bits_.series())
222 os << "\\series " << LyXSeriesNames[bits_.series()] << "\n";
223 if (orgfont.fontInfo().shape() != bits_.shape())
224 os << "\\shape " << LyXShapeNames[bits_.shape()] << "\n";
225 if (orgfont.fontInfo().size() != bits_.size())
226 os << "\\size " << LyXSizeNames[bits_.size()] << "\n";
227 if (orgfont.fontInfo().emph() != bits_.emph())
228 os << "\\emph " << LyXMiscNames[bits_.emph()] << "\n";
229 if (orgfont.fontInfo().number() != bits_.number())
230 os << "\\numeric " << LyXMiscNames[bits_.number()] << "\n";
231 if (orgfont.fontInfo().nospellcheck() != bits_.nospellcheck())
232 os << "\\nospellcheck " << LyXMiscNames[bits_.nospellcheck()] << "\n";
233 if (orgfont.fontInfo().underbar() != bits_.underbar()) {
234 // This is only for backwards compatibility
235 switch (bits_.underbar()) {
236 case FONT_OFF: os << "\\bar no\n"; break;
237 case FONT_ON: os << "\\bar under\n"; break;
238 case FONT_TOGGLE: lyxerr << "Font::lyxWriteFontChanges: "
239 "FONT_TOGGLE should not appear here!"
242 case FONT_INHERIT: os << "\\bar default\n"; break;
243 case FONT_IGNORE: lyxerr << "Font::lyxWriteFontChanges: "
244 "IGNORE should not appear here!"
249 if (orgfont.fontInfo().strikeout() != bits_.strikeout()) {
250 os << "\\strikeout " << LyXMiscNames[bits_.strikeout()] << "\n";
252 if (orgfont.fontInfo().xout() != bits_.xout()) {
253 os << "\\xout " << LyXMiscNames[bits_.xout()] << "\n";
255 if (orgfont.fontInfo().uuline() != bits_.uuline()) {
256 os << "\\uuline " << LyXMiscNames[bits_.uuline()] << "\n";
258 if (orgfont.fontInfo().uwave() != bits_.uwave()) {
259 os << "\\uwave " << LyXMiscNames[bits_.uwave()] << "\n";
261 if (orgfont.fontInfo().noun() != bits_.noun()) {
262 os << "\\noun " << LyXMiscNames[bits_.noun()] << "\n";
264 if (orgfont.fontInfo().color() != bits_.color())
265 os << "\\color " << lcolor.getLyXName(bits_.color()) << '\n';
266 // FIXME: uncomment this when we support background.
267 //if (orgfont.fontInfo().background() != bits_.background())
268 // os << "\\color " << lcolor.getLyXName(bits_.background()) << '\n';
269 if (orgfont.language() != language() &&
270 language() != latex_language) {
272 os << "\\lang " << language()->lang() << "\n";
274 os << "\\lang unknown\n";
279 /// Writes the head of the LaTeX needed to impose this font
280 // Returns number of chars written.
281 int Font::latexWriteStartChanges(odocstream & os, BufferParams const & bparams,
282 OutputParams const & runparams,
284 Font const & prev) const
290 // polyglossia or babel?
291 if (runparams.use_polyglossia
292 && language()->lang() != base.language()->lang()
293 && language() != prev.language()) {
294 if (!language()->polyglossia().empty()) {
295 string tmp = "\\text" + language()->polyglossia();
296 if (!language()->polyglossiaOpts().empty())
297 tmp += "[" + language()->polyglossiaOpts() + "]";
299 os << from_ascii(tmp);
300 count += tmp.length();
301 pushLanguageName(language()->polyglossia(), true);
302 } else if (language()->encoding()->package() != Encoding::CJK) {
306 } else if (language()->babel() != base.language()->babel() &&
307 language() != prev.language()) {
308 if (language()->lang() == "farsi") {
311 } else if (!isRightToLeft() &&
312 base.language()->lang() == "farsi") {
315 } else if (language()->lang() == "arabic_arabi") {
318 } else if (!isRightToLeft() &&
319 base.language()->lang() == "arabic_arabi") {
322 // currently the remaining RTL languages are arabic_arabtex and hebrew
323 } else if (isRightToLeft() != prev.isRightToLeft()) {
324 if (isRightToLeft()) {
331 } else if (!language()->babel().empty()) {
333 subst(lyxrc.language_command_local,
334 "$$lang", language()->babel());
335 os << from_ascii(tmp);
336 count += tmp.length();
337 if (!lyxrc.language_command_end.empty())
338 pushLanguageName(language()->babel(), true);
339 } else if (language()->encoding()->package() != Encoding::CJK) {
345 if (language()->encoding()->package() == Encoding::CJK) {
346 pair<bool, int> const c = switchEncoding(os, bparams,
347 runparams, *(language()->encoding()));
349 open_encoding_ = true;
351 runparams.encoding = language()->encoding();
356 f.reduce(base.bits_);
358 p.reduce(prev.bits_);
360 if (f.family() != INHERIT_FAMILY) {
362 << LaTeXFamilyNames[f.family()]
364 count += strlen(LaTeXFamilyNames[f.family()]) + 2;
365 env = true; //We have opened a new environment
367 if (f.series() != INHERIT_SERIES) {
369 << LaTeXSeriesNames[f.series()]
371 count += strlen(LaTeXSeriesNames[f.series()]) + 2;
372 env = true; //We have opened a new environment
374 if (f.shape() != INHERIT_SHAPE) {
376 << LaTeXShapeNames[f.shape()]
378 count += strlen(LaTeXShapeNames[f.shape()]) + 2;
379 env = true; //We have opened a new environment
381 if (f.color() != Color_inherit && f.color() != Color_ignore) {
382 if (f.color() == Color_none && p.color() != Color_none) {
383 // Color none: Close previous color, if any
386 } else if (f.color() != Color_none) {
388 << from_ascii(lcolor.getLaTeXName(f.color()))
390 count += lcolor.getLaTeXName(f.color()).length() + 13;
392 env = true; //We have opened a new environment
394 // FIXME: uncomment this when we support background.
396 if (f.background() != Color_inherit && f.background() != Color_ignore) {
398 << from_ascii(lcolor.getLaTeXName(f.background()))
400 count += lcolor.getLaTeXName(f.background()).length() + 13;
401 env = true; //We have opened a new environment
404 // If the current language is Hebrew, Arabic, or Farsi
405 // the numbers are written Left-to-Right. ArabTeX package
406 // and bidi (polyglossia) reorder the number automatically
407 // but the packages used for Hebrew and Farsi (Arabi) do not.
408 if (!runparams.use_polyglossia
409 && !runparams.pass_thru
410 && bits_.number() == FONT_ON
411 && prev.fontInfo().number() != FONT_ON
412 && (language()->lang() == "hebrew"
413 || language()->lang() == "farsi"
414 || language()->lang() == "arabic_arabi")) {
418 if (f.emph() == FONT_ON) {
421 env = true; //We have opened a new environment
423 // \noun{} is a LyX special macro
424 if (f.noun() == FONT_ON) {
427 env = true; //We have opened a new environment
429 if (f.size() != FONT_SIZE_INHERIT) {
430 // If we didn't open an environment above, we open one here
436 << LaTeXSizeNames[f.size()]
438 count += strlen(LaTeXSizeNames[f.size()]) + 3;
440 // The ulem commands need to be on the deepest nesting level
441 // because ulem puts every nested group or macro in a box,
442 // which prevents linebreaks (#8424, #8733)
443 if (f.underbar() == FONT_ON) {
446 ++runparams.inulemcmd;
448 if (f.uuline() == FONT_ON) {
451 ++runparams.inulemcmd;
453 if (f.strikeout() == FONT_ON) {
456 ++runparams.inulemcmd;
458 if (f.xout() == FONT_ON) {
461 ++runparams.inulemcmd;
463 if (f.uwave() == FONT_ON) {
464 if (runparams.inulemcmd) {
465 // needed with nested uwave in xout
466 // see https://tex.stackexchange.com/a/263042
467 os << "\\ULdepth=1000pt";
472 ++runparams.inulemcmd;
478 /// Writes ending block of LaTeX needed to close use of this font
479 // Returns number of chars written
480 // This one corresponds to latexWriteStartChanges(). (Asger)
481 int Font::latexWriteEndChanges(otexstream & os, BufferParams const & bparams,
482 OutputParams const & runparams,
486 bool const & closeLanguage) const
491 // reduce the current font to changes against the base
492 // font (of the layout). We use a temporary for this to
493 // avoid changing this font instance, as that would break
495 f.reduce(base.bits_);
497 if (f.family() != INHERIT_FAMILY) {
500 env = true; // Size change need not bother about closing env.
502 if (f.series() != INHERIT_SERIES) {
505 env = true; // Size change need not bother about closing env.
507 if (f.shape() != INHERIT_SHAPE) {
510 env = true; // Size change need not bother about closing env.
512 if (f.color() != Color_inherit && f.color() != Color_ignore && f.color() != Color_none) {
515 env = true; // Size change need not bother about closing env.
517 if (f.emph() == FONT_ON) {
520 env = true; // Size change need not bother about closing env.
522 if (f.noun() == FONT_ON) {
525 env = true; // Size change need not bother about closing env.
527 if (f.size() != FONT_SIZE_INHERIT) {
528 // We only have to close if only size changed
530 if (needPar && !closeLanguage) {
539 if (f.underbar() == FONT_ON) {
542 --runparams.inulemcmd;
544 if (f.strikeout() == FONT_ON) {
547 --runparams.inulemcmd;
549 if (f.xout() == FONT_ON) {
552 --runparams.inulemcmd;
554 if (f.uuline() == FONT_ON) {
557 --runparams.inulemcmd;
559 if (f.uwave() == FONT_ON) {
562 --runparams.inulemcmd;
565 // If the current language is Hebrew, Arabic, or Farsi
566 // the numbers are written Left-to-Right. ArabTeX package
567 // and bidi (polyglossia) reorder the number automatically
568 // but the packages used for Hebrew and Farsi (Arabi) do not.
569 if (!runparams.use_polyglossia
570 && !runparams.pass_thru
571 && bits_.number() == FONT_ON
572 && next.fontInfo().number() != FONT_ON
573 && (language()->lang() == "hebrew"
574 || language()->lang() == "farsi"
575 || language()->lang() == "arabic_arabi")) {
580 if (open_encoding_) {
581 // We need to close the encoding even if it does not change
582 // to do correct environment nesting
583 Encoding const * const ascii = encodings.fromLyXName("ascii");
584 pair<bool, int> const c = switchEncoding(os.os(), bparams,
588 runparams.encoding = ascii;
589 open_encoding_ = false;
593 && language() != base.language() && language() != next.language()
594 && language()->encoding()->package() != Encoding::CJK) {
597 bool const using_begin_end =
598 runparams.use_polyglossia ||
599 !lyxrc.language_command_end.empty();
608 string Font::toString(bool const toggle) const
610 string const lang = (language() == reset_language)
611 ? "reset" : language()->lang();
614 os << "family " << bits_.family() << '\n'
615 << "series " << bits_.series() << '\n'
616 << "shape " << bits_.shape() << '\n'
617 << "size " << bits_.size() << '\n'
618 << "emph " << bits_.emph() << '\n'
619 << "underbar " << bits_.underbar() << '\n'
620 << "strikeout " << bits_.strikeout() << '\n'
621 << "xout " << bits_.xout() << '\n'
622 << "uuline " << bits_.uuline() << '\n'
623 << "uwave " << bits_.uwave() << '\n'
624 << "noun " << bits_.noun() << '\n'
625 << "number " << bits_.number() << '\n'
626 << "nospellcheck " << bits_.nospellcheck() << '\n'
627 << "color " << bits_.color() << '\n'
628 << "language " << lang << '\n'
629 << "toggleall " << convert<string>(toggle);
634 bool Font::fromString(string const & data, bool & toggle)
636 istringstream is(data);
644 token = lex.getString();
646 if (token.empty() || !lex.next())
649 if (token == "family") {
650 int const next = lex.getInteger();
651 bits_.setFamily(FontFamily(next));
653 } else if (token == "series") {
654 int const next = lex.getInteger();
655 bits_.setSeries(FontSeries(next));
657 } else if (token == "shape") {
658 int const next = lex.getInteger();
659 bits_.setShape(FontShape(next));
661 } else if (token == "size") {
662 int const next = lex.getInteger();
663 bits_.setSize(FontSize(next));
665 } else if (token == "emph" || token == "underbar"
666 || token == "noun" || token == "number"
667 || token == "uuline" || token == "uwave"
668 || token == "strikeout" || token == "xout"
669 || token == "nospellcheck") {
671 int const next = lex.getInteger();
672 FontState const misc = FontState(next);
676 else if (token == "underbar")
677 bits_.setUnderbar(misc);
678 else if (token == "strikeout")
679 bits_.setStrikeout(misc);
680 else if (token == "xout")
682 else if (token == "uuline")
683 bits_.setUuline(misc);
684 else if (token == "uwave")
685 bits_.setUwave(misc);
686 else if (token == "noun")
688 else if (token == "number")
689 bits_.setNumber(misc);
690 else if (token == "nospellcheck")
691 bits_.setNoSpellcheck(misc);
693 } else if (token == "color") {
694 int const next = lex.getInteger();
695 bits_.setColor(ColorCode(next));
698 } else if (token == "background") {
699 int const next = lex.getInteger();
700 bits_.setBackground(ColorCode(next));
703 } else if (token == "language") {
704 string const next = lex.getString();
705 setLanguage(languages.getLanguage(next));
707 } else if (token == "toggleall") {
708 toggle = lex.getBool();
711 // Unrecognised token
721 void Font::validate(LaTeXFeatures & features) const
723 BufferParams const & bparams = features.bufferParams();
724 Language const * doc_language = bparams.language;
726 if (bits_.noun() == FONT_ON) {
727 LYXERR(Debug::LATEX, "font.noun: " << bits_.noun());
728 features.require("noun");
729 LYXERR(Debug::LATEX, "Noun enabled. Font: " << to_utf8(stateText(0)));
731 if (bits_.underbar() == FONT_ON) {
732 LYXERR(Debug::LATEX, "font.underline: " << bits_.underbar());
733 features.require("ulem");
734 LYXERR(Debug::LATEX, "Underline enabled. Font: " << to_utf8(stateText(0)));
736 if (bits_.strikeout() == FONT_ON) {
737 LYXERR(Debug::LATEX, "font.strikeout: " << bits_.strikeout());
738 features.require("ulem");
739 LYXERR(Debug::LATEX, "Strike out enabled. Font: " << to_utf8(stateText(0)));
741 if (bits_.xout() == FONT_ON) {
742 LYXERR(Debug::LATEX, "font.xout: " << bits_.xout());
743 features.require("ulem");
744 LYXERR(Debug::LATEX, "Cross out enabled. Font: " << to_utf8(stateText(0)));
746 if (bits_.uuline() == FONT_ON) {
747 LYXERR(Debug::LATEX, "font.uuline: " << bits_.uuline());
748 features.require("ulem");
749 LYXERR(Debug::LATEX, "Double underline enabled. Font: " << to_utf8(stateText(0)));
751 if (bits_.uwave() == FONT_ON) {
752 LYXERR(Debug::LATEX, "font.uwave: " << bits_.uwave());
753 features.require("ulem");
754 LYXERR(Debug::LATEX, "Wavy underline enabled. Font: " << to_utf8(stateText(0)));
756 switch (bits_.color()) {
760 // probably we should put here all interface colors used for
761 // font displaying! For now I just add this ones I know of (Jug)
763 case Color_notelabel:
768 case Color_lightgray:
776 features.require("xcolor");
779 features.require("color");
780 LYXERR(Debug::LATEX, "Color enabled. Font: " << to_utf8(stateText(0)));
783 // FIXME: Do something for background and soul package?
785 if (((features.usePolyglossia() && lang_->polyglossia() != doc_language->polyglossia())
786 || (features.useBabel() && lang_->babel() != doc_language->babel())
787 || (doc_language->encoding()->package() == Encoding::CJK && lang_ != doc_language))
788 && lang_ != ignore_language
789 && lang_ != latex_language)
791 features.useLanguage(lang_);
792 LYXERR(Debug::LATEX, "Found language " << lang_->lang());
797 ostream & operator<<(ostream & os, FontState fms)
799 return os << int(fms);
803 ostream & operator<<(ostream & os, FontInfo const & f)
806 << " family " << f.family()
807 << " series " << f.series()
808 << " shape " << f.shape()
809 << " size " << f.size()
810 << " color " << f.color()
811 // FIXME: uncomment this when we support background.
812 //<< " background " << f.background()
813 << " emph " << f.emph()
814 << " underbar " << f.underbar()
815 << " strikeout " << f.strikeout()
816 << " xout " << f.xout()
817 << " uuline " << f.uuline()
818 << " uwave " << f.uwave()
819 << " noun " << f.noun()
820 << " number " << f.number()
821 << " nospellcheck " << f.nospellcheck();
825 ostream & operator<<(ostream & os, Font const & font)
827 return os << font.bits_
828 << " lang: " << (font.lang_ ? font.lang_->lang() : 0);