]> git.lyx.org Git - lyx.git/blobdiff - src/Font.cpp
Reset dim width when computing MathRow metrics
[lyx.git] / src / Font.cpp
index cf8ea617855cc619cc8879948ac0487fb339796f..b810e454d4c65335bed03d0bef5c613698d9f9ec 100644 (file)
@@ -25,6 +25,7 @@
 #include "LyXRC.h"
 #include "output_latex.h"
 #include "OutputParams.h"
+#include "texstream.h"
 
 #include "support/lassert.h"
 #include "support/convert.h"
@@ -44,9 +45,9 @@ namespace lyx {
 //
 // These are defined in FontInfo.cpp
 extern char const * LyXFamilyNames[NUM_FAMILIES + 2];
-extern char const * LyXSeriesNames[4];
-extern char const * LyXShapeNames[6];
-extern char const * LyXSizeNames[14];
+extern char const * LyXSeriesNames[NUM_SERIES + 2];
+extern char const * LyXShapeNames[NUM_SHAPE + 2];
+extern char const * LyXSizeNames[NUM_SIZE + 4];
 extern char const * LyXMiscNames[5];
 
 //
@@ -57,17 +58,17 @@ namespace {
 
 char const * GUIFamilyNames[NUM_FAMILIES + 2 /* default & error */] =
 { N_("Roman"), N_("Sans Serif"), N_("Typewriter"), N_("Symbol"),
-  "cmr", "cmsy", "cmm", "cmex", "msa", "msb", "eufrak", "rsfs", "wasy", "esint",
-  N_("Inherit"), N_("Ignore") };
+  "cmr", "cmsy", "cmm", "cmex", "msa", "msb", "eufrak", "rsfs", "stmry",
+  "wasy", "esint", N_("Inherit"), N_("Ignore") };
 
-char const * GUISeriesNames[4] =
+char const * GUISeriesNames[NUM_SERIES + 2 /* default & error */] =
 { N_("Medium"), N_("Bold"), N_("Inherit"), N_("Ignore") };
 
-char const * GUIShapeNames[6] =
+char const * GUIShapeNames[NUM_SHAPE + 2 /* default & error */] =
 { N_("Upright"), N_("Italic"), N_("Slanted"), N_("Smallcaps"), N_("Inherit"),
   N_("Ignore") };
 
-char const * GUISizeNames[14] =
+char const * GUISizeNames[NUM_SIZE + 4 /* increase, decrease, default & error */] =
 { N_("Tiny"), N_("Smallest"), N_("Smaller"), N_("Small"), N_("Normal"), N_("Large"),
   N_("Larger"), N_("Largest"), N_("Huge"), N_("Huger"), N_("Increase"), N_("Decrease"),
   N_("Inherit"), N_("Ignore") };
@@ -78,20 +79,22 @@ char const * GUIMiscNames[5] =
 //
 // Strings used to write LaTeX files
 //
-char const * LaTeXFamilyNames[6] =
-{ "textrm", "textsf", "texttt", "error1", "error2", "error3" };
+char const * LaTeXFamilyNames[NUM_FAMILIES + 2] =
+{ "textrm", "textsf", "texttt", "error1", "error2", "error3", "error4",
+  "error5", "error6", "error7", "error8", "error9", "error10", "error11",
+  "error12", "error13" };
 
-char const * LaTeXSeriesNames[4] =
+char const * LaTeXSeriesNames[NUM_SERIES + 2] =
 { "textmd", "textbf", "error4", "error5" };
 
-char const * LaTeXShapeNames[6] =
+char const * LaTeXShapeNames[NUM_SHAPE + 2] =
 { "textup", "textit", "textsl", "textsc", "error6", "error7" };
 
-char const * LaTeXSizeNames[14] =
+char const * LaTeXSizeNames[NUM_SIZE + 4] =
 { "tiny", "scriptsize", "footnotesize", "small", "normalsize", "large",
   "Large", "LARGE", "huge", "Huge", "error8", "error9", "error10", "error11" };
 
-} // namespace anon
+} // namespace
 
 
 Font::Font(FontInfo bits, Language const * l)
@@ -163,8 +166,11 @@ docstring const stateText(FontInfo const & f)
                os << bformat(_("Underline %1$s, "),
                              _(GUIMiscNames[f.underbar()]));
        if (f.strikeout() != FONT_INHERIT)
-               os << bformat(_("Strikeout %1$s, "),
+               os << bformat(_("Strike out %1$s, "),
                              _(GUIMiscNames[f.strikeout()]));
+       if (f.xout() != FONT_INHERIT)
+               os << bformat(_("Cross out %1$s, "),
+                             _(GUIMiscNames[f.xout()]));
        if (f.uuline() != FONT_INHERIT)
                os << bformat(_("Double underline %1$s, "),
                              _(GUIMiscNames[f.uuline()]));
@@ -189,7 +195,7 @@ docstring const Font::stateText(BufferParams * params) const
                os << bformat(_("Language: %1$s, "),
                              _(language()->display()));
        if (bits_.number() != FONT_OFF)
-               os << bformat(_("  Number %1$s"),
+               os << "  " << bformat(_("Number %1$s"),
                              _(GUIMiscNames[bits_.number()]));
        return rtrim(os.str(), ", ");
 }
@@ -238,6 +244,9 @@ void Font::lyxWriteChanges(Font const & orgfont,
        if (orgfont.fontInfo().strikeout() != bits_.strikeout()) {
                os << "\\strikeout " << LyXMiscNames[bits_.strikeout()] << "\n";
        }
+       if (orgfont.fontInfo().xout() != bits_.xout()) {
+               os << "\\xout " << LyXMiscNames[bits_.xout()] << "\n";
+       }
        if (orgfont.fontInfo().uuline() != bits_.uuline()) {
                os << "\\uuline " << LyXMiscNames[bits_.uuline()] << "\n";
        }
@@ -272,7 +281,24 @@ int Font::latexWriteStartChanges(odocstream & os, BufferParams const & bparams,
        bool env = false;
 
        int count = 0;
-       if (language()->babel() != base.language()->babel() &&
+
+       // polyglossia or babel?
+       if (runparams.use_polyglossia
+           && language()->lang() != base.language()->lang()
+           && language() != prev.language()) {
+               if (!language()->polyglossia().empty()) {
+                       string tmp = "\\text" + language()->polyglossia();
+                       if (!language()->polyglossiaOpts().empty())
+                               tmp += "[" + language()->polyglossiaOpts() + "]";
+                       tmp += "{";
+                       os << from_ascii(tmp);
+                       count += tmp.length();
+                       pushLanguageName(language()->polyglossia(), true);
+               } else if (language()->encoding()->package() != Encoding::CJK) {
+                       os << '{';
+                       count += 1;
+               }
+       } else if (language()->babel() != base.language()->babel() &&
            language() != prev.language()) {
                if (language()->lang() == "farsi") {
                        os << "\\textFR{";
@@ -303,7 +329,9 @@ int Font::latexWriteStartChanges(odocstream & os, BufferParams const & bparams,
                                      "$$lang", language()->babel());
                        os << from_ascii(tmp);
                        count += tmp.length();
-               } else {
+                       if (!lyxrc.language_command_end.empty())
+                               pushLanguageName(language()->babel(), true);
+               } else if (language()->encoding()->package() != Encoding::CJK) {
                        os << '{';
                        count += 1;
                }
@@ -319,20 +347,25 @@ int Font::latexWriteStartChanges(odocstream & os, BufferParams const & bparams,
                }
        }
 
-       // When the current language is Hebrew, Arabic, or Farsi
+       // If the current language is Hebrew, Arabic, or Farsi
        // the numbers are written Left-to-Right. ArabTeX package
-       // reorders the number automatically but the packages used
-       // for Hebrew and Farsi (Arabi) do not.
-       if (bits_.number() == FONT_ON && prev.fontInfo().number() != FONT_ON
-               && (language()->lang() == "hebrew"
-                       || language()->lang() == "farsi" 
-                       || language()->lang() == "arabic_arabi")) {
+       // and bidi (polyglossia) reorder the number automatically
+       // but the packages used for Hebrew and Farsi (Arabi) do not.
+       if (!runparams.use_polyglossia
+           && !runparams.pass_thru
+           && bits_.number() == FONT_ON
+           && prev.fontInfo().number() != FONT_ON
+           && (language()->lang() == "hebrew"
+               || language()->lang() == "farsi"
+               || language()->lang() == "arabic_arabi")) {
                os << "{\\beginL ";
                count += 9;
        }
 
        FontInfo f = bits_;
        f.reduce(base.bits_);
+       FontInfo p = bits_;
+       p.reduce(prev.bits_);
 
        if (f.family() != INHERIT_FAMILY) {
                os << '\\'
@@ -356,10 +389,16 @@ int Font::latexWriteStartChanges(odocstream & os, BufferParams const & bparams,
                env = true; //We have opened a new environment
        }
        if (f.color() != Color_inherit && f.color() != Color_ignore) {
-               os << "\\textcolor{"
-                  << from_ascii(lcolor.getLaTeXName(f.color()))
-                  << "}{";
-               count += lcolor.getLaTeXName(f.color()).length() + 13;
+               if (f.color() == Color_none && p.color() != Color_none) {
+                       // Color none: Close previous color, if any
+                       os << '}';
+                       ++count;
+               } else if (f.color() != Color_none) {
+                       os << "\\textcolor{"
+                          << from_ascii(lcolor.getLaTeXName(f.color()))
+                          << "}{";
+                       count += lcolor.getLaTeXName(f.color()).length() + 13;
+               }
                env = true; //We have opened a new environment
        }
        // FIXME: uncomment this when we support background.
@@ -377,30 +416,6 @@ int Font::latexWriteStartChanges(odocstream & os, BufferParams const & bparams,
                count += 6;
                env = true; //We have opened a new environment
        }
-       if (f.underbar() == FONT_ON) {
-               os << "\\uline{";
-               count += 10;
-               runparams.inulemcmd = true;
-               env = true; //We have opened a new environment
-       }
-       if (f.strikeout() == FONT_ON) {
-               os << "\\sout{";
-               count += 9;
-               runparams.inulemcmd = true;
-               env = true; //We have opened a new environment
-       }
-       if (f.uuline() == FONT_ON) {
-               os << "\\uuline{";
-               count += 11;
-               runparams.inulemcmd = true;
-               env = true; //We have opened a new environment
-       }
-       if (f.uwave() == FONT_ON) {
-               os << "\\uwave{";
-               count += 10;
-               runparams.inulemcmd = true;
-               env = true; //We have opened a new environment
-       }
        // \noun{} is a LyX special macro
        if (f.noun() == FONT_ON) {
                os << "\\noun{";
@@ -415,8 +430,42 @@ int Font::latexWriteStartChanges(odocstream & os, BufferParams const & bparams,
                }
                os << '\\'
                   << LaTeXSizeNames[f.size()]
-                  << ' ';
-               count += strlen(LaTeXSizeNames[f.size()]) + 2;
+                  << "{}";
+               count += strlen(LaTeXSizeNames[f.size()]) + 3;
+       }
+       // The ulem commands need to be on the deepest nesting level
+       // because ulem puts every nested group or macro in a box,
+       // which prevents linebreaks (#8424, #8733)
+       if (f.underbar() == FONT_ON) {
+               os << "\\uline{";
+               count += 10;
+               ++runparams.inulemcmd;
+       }
+       if (f.uuline() == FONT_ON) {
+               os << "\\uuline{";
+               count += 11;
+               ++runparams.inulemcmd;
+       }
+       if (f.strikeout() == FONT_ON) {
+               os << "\\sout{";
+               count += 9;
+               ++runparams.inulemcmd;
+       }
+       if (f.xout() == FONT_ON) {
+               os << "\\xout{";
+               count += 9;
+               ++runparams.inulemcmd;
+       }
+       if (f.uwave() == FONT_ON) {
+               if (runparams.inulemcmd) {
+                       // needed with nested uwave in xout
+                       // see https://tex.stackexchange.com/a/263042
+                       os << "\\ULdepth=1000pt";
+                       count += 15;
+               }
+               os << "\\uwave{";
+               count += 10;
+               ++runparams.inulemcmd;
        }
        return count;
 }
@@ -425,10 +474,11 @@ int Font::latexWriteStartChanges(odocstream & os, BufferParams const & bparams,
 /// Writes ending block of LaTeX needed to close use of this font
 // Returns number of chars written
 // This one corresponds to latexWriteStartChanges(). (Asger)
-int Font::latexWriteEndChanges(odocstream & os, BufferParams const & bparams,
+int Font::latexWriteEndChanges(otexstream & os, BufferParams const & bparams,
                                  OutputParams const & runparams,
                                  Font const & base,
                                  Font const & next,
+                                 bool & needPar,
                                  bool const & closeLanguage) const
 {
        int count = 0;
@@ -455,7 +505,7 @@ int Font::latexWriteEndChanges(odocstream & os, BufferParams const & bparams,
                ++count;
                env = true; // Size change need not bother about closing env.
        }
-       if (f.color() != Color_inherit && f.color() != Color_ignore) {
+       if (f.color() != Color_inherit && f.color() != Color_ignore && f.color() != Color_none) {
                os << '}';
                ++count;
                env = true; // Size change need not bother about closing env.
@@ -465,51 +515,60 @@ int Font::latexWriteEndChanges(odocstream & os, BufferParams const & bparams,
                ++count;
                env = true; // Size change need not bother about closing env.
        }
-       if (f.underbar() == FONT_ON) {
+       if (f.noun() == FONT_ON) {
                os << '}';
                ++count;
-               runparams.inulemcmd = false;
                env = true; // Size change need not bother about closing env.
        }
-       if (f.strikeout() == FONT_ON) {
+       if (f.size() != FONT_SIZE_INHERIT) {
+               // We only have to close if only size changed
+               if (!env) {
+                       if (needPar && !closeLanguage) {
+                               os << "\\par";
+                               count += 4;
+                               needPar = false;
+                       }
+                       os << '}';
+                       ++count;
+               }
+       }
+       if (f.underbar() == FONT_ON) {
                os << '}';
                ++count;
-               runparams.inulemcmd = false;
-               env = true; // Size change need not bother about closing env.
+               --runparams.inulemcmd;
        }
-       if (f.uuline() == FONT_ON) {
+       if (f.strikeout() == FONT_ON) {
                os << '}';
                ++count;
-               runparams.inulemcmd = false;
-               env = true; // Size change need not bother about closing env.
+               --runparams.inulemcmd;
        }
-       if (f.uwave() == FONT_ON) {
+       if (f.xout() == FONT_ON) {
                os << '}';
                ++count;
-               runparams.inulemcmd = false;
-               env = true; // Size change need not bother about closing env.
+               --runparams.inulemcmd;
        }
-       if (f.noun() == FONT_ON) {
+       if (f.uuline() == FONT_ON) {
                os << '}';
                ++count;
-               env = true; // Size change need not bother about closing env.
+               --runparams.inulemcmd;
        }
-       if (f.size() != FONT_SIZE_INHERIT) {
-               // We only have to close if only size changed
-               if (!env) {
-                       os << '}';
-                       ++count;
-               }
+       if (f.uwave() == FONT_ON) {
+               os << '}';
+               ++count;
+               --runparams.inulemcmd;
        }
 
-       // When the current language is Hebrew, Arabic, or Farsi
+       // If the current language is Hebrew, Arabic, or Farsi
        // the numbers are written Left-to-Right. ArabTeX package
-       // reorders the number automatically but the packages used
-       // for Hebrew and Farsi (Arabi) do not.
-       if (bits_.number() == FONT_ON && next.fontInfo().number() != FONT_ON
-               && (language()->lang() == "hebrew"
-                       || language()->lang() == "farsi"
-                       || language()->lang() == "arabic_arabi")) {
+       // and bidi (polyglossia) reorder the number automatically
+       // but the packages used for Hebrew and Farsi (Arabi) do not.
+       if (!runparams.use_polyglossia
+           && !runparams.pass_thru
+           && bits_.number() == FONT_ON
+           && next.fontInfo().number() != FONT_ON
+           && (language()->lang() == "hebrew"
+               || language()->lang() == "farsi"
+               || language()->lang() == "arabic_arabi")) {
                os << "\\endL}";
                count += 6;
        }
@@ -518,18 +577,24 @@ int Font::latexWriteEndChanges(odocstream & os, BufferParams const & bparams,
                // We need to close the encoding even if it does not change
                // to do correct environment nesting
                Encoding const * const ascii = encodings.fromLyXName("ascii");
-               pair<bool, int> const c = switchEncoding(os, bparams,
+               pair<bool, int> const c = switchEncoding(os.os(), bparams,
                                runparams, *ascii);
-               LASSERT(c.first, /**/);
+               LATTEST(c.first);
                count += c.second;
                runparams.encoding = ascii;
                open_encoding_ = false;
        }
 
-       if (closeLanguage &&
-                       language() != base.language() && language() != next.language()) {
+       if (closeLanguage
+           && language() != base.language() && language() != next.language()
+           && language()->encoding()->package() != Encoding::CJK) {
                os << '}';
                ++count;
+               bool const using_begin_end =
+                       runparams.use_polyglossia ||
+                               !lyxrc.language_command_end.empty();
+               if (using_begin_end)
+                       popLanguageName();
        }
 
        return count;
@@ -549,6 +614,7 @@ string Font::toString(bool const toggle) const
           << "emph " << bits_.emph() << '\n'
           << "underbar " << bits_.underbar() << '\n'
           << "strikeout " << bits_.strikeout() << '\n'
+          << "xout " << bits_.xout() << '\n'
           << "uuline " << bits_.uuline() << '\n'
           << "uwave " << bits_.uwave() << '\n'
           << "noun " << bits_.noun() << '\n'
@@ -591,10 +657,10 @@ bool Font::fromString(string const & data, bool & toggle)
                        int const next = lex.getInteger();
                        bits_.setSize(FontSize(next));
 
-               } else if (token == "emph" || token == "underbar" ||
-                          token == "noun" || token == "number" ||
-                          token == "uuline" || token == "uwave" ||
-                          token == "strikeout") {
+               } else if (token == "emph" || token == "underbar"
+                       || token == "noun" || token == "number"
+                       || token == "uuline" || token == "uwave"
+                       || token == "strikeout" || token == "xout") {
 
                        int const next = lex.getInteger();
                        FontState const misc = FontState(next);
@@ -605,6 +671,8 @@ bool Font::fromString(string const & data, bool & toggle)
                                bits_.setUnderbar(misc);
                        else if (token == "strikeout")
                                bits_.setStrikeout(misc);
+                       else if (token == "xout")
+                               bits_.setXout(misc);
                        else if (token == "uuline")
                                bits_.setUuline(misc);
                        else if (token == "uwave")
@@ -660,7 +728,12 @@ void Font::validate(LaTeXFeatures & features) const
        if (bits_.strikeout() == FONT_ON) {
                LYXERR(Debug::LATEX, "font.strikeout: " << bits_.strikeout());
                features.require("ulem");
-               LYXERR(Debug::LATEX, "Strikeout enabled. Font: " << to_utf8(stateText(0)));
+               LYXERR(Debug::LATEX, "Strike out enabled. Font: " << to_utf8(stateText(0)));
+       }
+       if (bits_.xout() == FONT_ON) {
+               LYXERR(Debug::LATEX, "font.xout: " << bits_.xout());
+               features.require("ulem");
+               LYXERR(Debug::LATEX, "Cross out enabled. Font: " << to_utf8(stateText(0)));
        }
        if (bits_.uuline() == FONT_ON) {
                LYXERR(Debug::LATEX, "font.uuline: " << bits_.uuline());
@@ -681,6 +754,19 @@ void Font::validate(LaTeXFeatures & features) const
                case Color_latex:
                case Color_notelabel:
                        break;
+               case Color_brown:
+               case Color_darkgray:
+               case Color_gray:
+               case Color_lightgray:
+               case Color_lime:
+               case Color_olive:
+               case Color_orange:
+               case Color_pink:
+               case Color_purple:
+               case Color_teal:
+               case Color_violet:
+                       features.require("xcolor");
+                       break;
                default:
                        features.require("color");
                        LYXERR(Debug::LATEX, "Color enabled. Font: " << to_utf8(stateText(0)));
@@ -688,9 +774,11 @@ void Font::validate(LaTeXFeatures & features) const
 
        // FIXME: Do something for background and soul package?
 
-       if (lang_->babel() != doc_language->babel() &&
-               lang_ != ignore_language &&
-               lang_ != latex_language)
+       if (((features.usePolyglossia() && lang_->polyglossia() != doc_language->polyglossia())
+            || (features.useBabel() && lang_->babel() != doc_language->babel())
+            || (doc_language->encoding()->package() == Encoding::CJK && lang_ != doc_language))
+           && lang_ != ignore_language
+           && lang_ != latex_language)
        {
                features.useLanguage(lang_);
                LYXERR(Debug::LATEX, "Found language " << lang_->lang());
@@ -717,6 +805,7 @@ ostream & operator<<(ostream & os, FontInfo const & f)
                << " emph " << f.emph()
                << " underbar " << f.underbar()
                << " strikeout " << f.strikeout()
+               << " xout " << f.xout()
                << " uuline " << f.uuline()
                << " uwave " << f.uwave()
                << " noun " << f.noun()