]> git.lyx.org Git - lyx.git/blobdiff - src/PDFOptions.cpp
Hack to display section symbol
[lyx.git] / src / PDFOptions.cpp
index 149d85b3dbbdd185f330dfe06df433e5979fabaf..dc638f544dafb3638f6ad020fd7cff93c3414fd2 100644 (file)
@@ -4,6 +4,7 @@
  * Licence details can be found in the file COPYING.
  *
  * \author Pavel Sanda
+ * \author Jürgen Spitzmüller
  *
  * Full author contact details are available in file CREDITS.
  */
 
 #include "PDFOptions.h"
 
+#include "Encoding.h"
+#include "LaTeXFeatures.h"
+#include "Lexer.h"
+#include "OutputParams.h"
+#include "texstream.h"
+
 #include "support/convert.h"
+#include "support/debug.h"
+#include "support/docstream.h"
+#include "support/docstring.h"
 #include "support/lstrings.h"
-#include "debug.h"
-#include "Lexer.h"
 
 #include <sstream>
 #include <string>
+#include <algorithm>
 
-namespace lyx {
+using namespace std;
+using namespace lyx::support;
 
+namespace lyx {
 
-using std::ostream;
-using std::ostringstream;
-using std::string;
 
 const string PDFOptions::pagemode_fullscreen("FullScreen");
 
@@ -47,108 +55,168 @@ bool PDFOptions::empty() const
                && pdfborder == x.pdfborder
                && colorlinks == x.colorlinks
                && backref == x.backref
-               && pagebackref == x.pagebackref
                && pdfusetitle == x.pdfusetitle;
 }
 
+
 void PDFOptions::writeFile(ostream & os) const
 {
        os << "\\use_hyperref " << convert<string>(use_hyperref) << '\n';
        if (!use_hyperref && empty())
                return;
-       
+
        if (!title.empty() )
-               os << "\\pdf_title \"" << title << "\"\n";
+               os << "\\pdf_title " << Lexer::quoteString(title) << '\n';
        if (!author.empty())
-               os << "\\pdf_author \"" << author << "\"\n";
+               os << "\\pdf_author " << Lexer::quoteString(author) << '\n';
        if (!subject.empty())
-               os << "\\pdf_subject \"" << subject << "\"\n";
+               os << "\\pdf_subject " << Lexer::quoteString(subject) << '\n';
        if (!keywords.empty())
-               os << "\\pdf_keywords \"" << keywords << "\"\n";
-       
-       
+               os << "\\pdf_keywords " << Lexer::quoteString(keywords) << '\n';
+
+
        os << "\\pdf_bookmarks " << convert<string>(bookmarks) << '\n';
        os << "\\pdf_bookmarksnumbered " << convert<string>(bookmarksnumbered) << '\n';
        os << "\\pdf_bookmarksopen " << convert<string>(bookmarksopen) << '\n';
        os << "\\pdf_bookmarksopenlevel " << bookmarksopenlevel << '\n';
-       
+
        os << "\\pdf_breaklinks "  << convert<string>(breaklinks)  << '\n';
        os << "\\pdf_pdfborder "   << convert<string>(pdfborder)   << '\n';
        os << "\\pdf_colorlinks "  << convert<string>(colorlinks)  << '\n';
-       os << "\\pdf_backref "     << convert<string>(backref)     << '\n';
-       os << "\\pdf_pagebackref " << convert<string>(pagebackref) << '\n';
+       os << "\\pdf_backref "     << backref << '\n';
        os << "\\pdf_pdfusetitle " << convert<string>(pdfusetitle) << '\n';
-       
+
        if (!pagemode.empty())
                os << "\\pdf_pagemode " << pagemode << '\n';
-       
+
        if (!quoted_options.empty())
-               os << "\\pdf_quoted_options \"" << quoted_options << "\"\n";
+               os << "\\pdf_quoted_options " << Lexer::quoteString(quoted_options) << '\n';
 }
 
-void PDFOptions::writeLaTeX(odocstream & os, bool hyper_required) const
+
+void PDFOptions::writeLaTeX(OutputParams & runparams, otexstream & os,
+                           bool hyperref_already_provided) const
 {
-       if (!use_hyperref && !hyper_required)
-               return;
-       
+       // FIXME Unicode
        string opt;
-       
-       opt = "\\usepackage[";
-       // since LyX uses unicode, also set the PDF strings to unicode strings with the
-       // hyperref option "unicode"
-       opt += "unicode=true, ";
-       
-       // try to extract author and title from document when none is
-       // explicitely given
-       if (pdfusetitle && title.empty() && author.empty())
-               opt += "pdfusetitle,";
-       opt += "\n ";
-
-       opt += "bookmarks=" + convert<string>(bookmarks) + ',';
-       if (bookmarks) {
-               opt += "bookmarksnumbered=" + convert<string>(bookmarksnumbered) + ',';
-               opt += "bookmarksopen=" + convert<string>(bookmarksopen) + ',';
-               if (bookmarksopen)
-                       opt += "bookmarksopenlevel=" + convert<string>(bookmarksopenlevel) + ',';
+       string hyperset;
+
+       // Driver needed by specific converters
+       if (!runparams.hyperref_driver.empty())
+               opt += runparams.hyperref_driver + ",";
+
+       // Since LyX uses unicode, also set the PDF strings to unicode strings
+       // with the hyperref option "unicode". This is only needed with pdflatex.
+       // As of 2021/02/04, unicode=true is default.
+       if (!LaTeXFeatures::isAvailableAtLeastFrom("hyperref", 2021, 2, 4)
+            && !runparams.isFullUnicode() && !runparams.use_japanese)
+               opt += "unicode=true,";
+
+       // only use the hyperref settings if hyperref is enabled by the user
+       // see bug #7052
+       if (use_hyperref) {
+               // try to extract author and title from document when none is
+               // explicitly given
+               if (pdfusetitle && title.empty() && author.empty())
+                       opt += "pdfusetitle,";
+               if (!opt.empty())
+                       opt += "\n ";
+               opt += "bookmarks=" + convert<string>(bookmarks) + ',';
+               if (bookmarks) {
+                       opt += "bookmarksnumbered=" + convert<string>(bookmarksnumbered) + ',';
+                       opt += "bookmarksopen=" + convert<string>(bookmarksopen) + ',';
+                       if (bookmarksopen)
+                               opt += "bookmarksopenlevel="
+                               + convert<string>(bookmarksopenlevel) + ',';
+               }
+               if (!opt.empty())
+                       opt += "\n ";
+               opt += "breaklinks=" + convert<string>(breaklinks) + ',';
+               opt += "pdfborder={0 0 ";
+               opt += (pdfborder ? '0' : '1');
+               opt += "},";
+               if (pdfborder)
+                       opt += "pdfborderstyle={},";
+               opt += "backref=" + backref + ',';
+               opt += "colorlinks=" + convert<string>(colorlinks) + ',';
+               if (!pagemode.empty())
+                       opt += "pdfpagemode=" + pagemode + ',';
+
+               // load the pdftitle etc. as hypersetup, otherwise you'll get
+               // LaTeX-errors when using non-latin characters
+               if (!title.empty())
+                       hyperset += "pdftitle={" + title + "},";
+               if (!author.empty())
+                       hyperset += "\n pdfauthor={" + author + "},";
+               if (!subject.empty())
+                       hyperset += "\n pdfsubject={" + subject + "},";
+               if (!keywords.empty())
+                       hyperset += "\n pdfkeywords={" + keywords + "},";
+               if (!quoted_options.empty()){
+                       hyperset += "\n ";
+                       hyperset += quoted_options;
+               }
+               hyperset = rtrim(hyperset,",");
        }
-       opt += "\n ";
-       opt += "breaklinks="     + convert<string>(breaklinks) + ',';
 
-       opt += "pdfborder={0 0 " ;
-       opt += (pdfborder ?'0':'1');
-       opt += "},";
+       // check if the hyperref settings use an encoding that exceeds
+       // ours. If so, we have to switch to utf8.
+       Encoding const * const enc = runparams.encoding;
+       docstring const hs = from_utf8(hyperset);
+       bool need_unicode = false;
+       if (enc) {
+               for (char_type h : hs) {
+                       if (!enc->encodable(h))
+                               need_unicode = true;
+               }
+       }
 
-       opt += "backref="        + convert<string>(backref) + ',';
-       opt += "pagebackref="    + convert<string>(pagebackref) + ',';
-       opt += "\n ";
-       opt += "colorlinks="     + convert<string>(colorlinks) + ',';
-       if (!pagemode.empty())
-               opt += "pdfpagemode=" + pagemode + ',';
-       
-       opt = support::rtrim(opt,",");
-       opt += "]\n {hyperref}\n";
+       // use in \\usepackage parameter as not all options can be handled inside \\hypersetup
+       if (!hyperref_already_provided) {
+               opt = rtrim(opt, ",");
+               opt = "\\usepackage[" + opt + "]\n {hyperref}\n";
 
-       // load the pdftitle etc. as hypersetup, otherwise you'll get
-       // LaTeX-errors when using non-latin characters
-       string hyperset;
-       if (!title.empty())
-               hyperset += "pdftitle={"   + title + "},";
-       if (!author.empty())
-               hyperset += "\n pdfauthor={"  + author + "},";
-       if (!subject.empty())
-               hyperset += "\n pdfsubject={" + subject + "},";
-       if (!keywords.empty())
-               hyperset += "\n pdfkeywords={" + keywords + "},";
-       if (!quoted_options.empty()){
-               hyperset += "\n ";
-               hyperset += quoted_options_get();
+               if (!hyperset.empty())
+                       opt += "\\hypersetup{" + hyperset + "}\n";
+       } else {
+               // only in case hyperref is already loaded by the current text class
+               // try to put it into hyperset
+               //
+               // FIXME: rename in this case the PDF settings dialog checkbox
+               //  label from "Use Hyperref" to "Customize Hyperref Settings"
+               //  as discussd in bug #6293
+               opt = "\\hypersetup{" + rtrim(opt + hyperset, ",") + "}\n";
+       }
+
+       // hyperref expects LICR macros for non-ASCII chars.
+       // Usually, "(lua)inputenc" converts the input to LICR, with XeTeX utf-8 works, too.
+       // As hyperref provides good coverage for \inputencoding{utf8}, we can try
+       // this if the current input encoding does not support a character.
+       // FIXME: don't use \inputencoding if "inputenc" is not loaded (#9839).
+       if (need_unicode && enc && enc->iconvName() != "UTF-8") {
+           if (runparams.flavor != Flavor::XeTeX)
+                       os << "\\inputencoding{utf8}\n";
+               os << setEncoding("UTF-8");
+       }
+       // If hyperref is loaded by the document class, we output
+       // \hypersetup \AtBeginDocument if hypersetup is not (yet)
+       // defined. In this case, the class loads hyperref late
+       // (see bug #7048).
+       if (hyperref_already_provided && !opt.empty()) {
+               os << "\\ifx\\hypersetup\\undefined\n"
+                  << "  \\AtBeginDocument{%\n    "
+                  << from_utf8(opt)
+                  << "  }\n"
+                  << "\\else\n  "
+                  << from_utf8(opt)
+                  << "\\fi\n";
+       } else
+               os << from_utf8(opt);
+       if (need_unicode && enc && enc->iconvName() != "UTF-8") {
+               os << setEncoding(enc->iconvName());
+           if (runparams.flavor != Flavor::XeTeX)
+                       os << "\\inputencoding{" << from_ascii(enc->latexName()) << "}\n";
        }
-       hyperset = support::rtrim(hyperset,",");
-       if (!hyperset.empty())
-               opt += "\\hypersetup{" + hyperset + "}\n ";
-       
-       // FIXME UNICODE
-       os << from_utf8(opt);
 }
 
 
@@ -157,13 +225,25 @@ string PDFOptions::readToken(Lexer &lex, string const & token)
        if (token == "\\use_hyperref") {
                lex >> use_hyperref;
        } else if (token == "\\pdf_title") {
-               lex >> title;
+               if (lex.isOK()) {
+                       lex.next(true);
+                       title = lex.getString();
+               }
        } else if (token == "\\pdf_author") {
-               lex >> author;
+               if (lex.isOK()) {
+                       lex.next(true);
+                       author = lex.getString();
+               }
        } else if (token == "\\pdf_subject") {
-               lex >> subject;
+               if (lex.isOK()) {
+                       lex.next(true);
+                       subject = lex.getString();
+               }
        } else if (token == "\\pdf_keywords") {
-               lex >> keywords;
+               if (lex.isOK()) {
+                       lex.next(true);
+                       keywords = lex.getString();
+               }
        } else if (token == "\\pdf_bookmarks") {
                lex >> bookmarks;
        } else if (token == "\\pdf_bookmarksnumbered") {
@@ -180,14 +260,15 @@ string PDFOptions::readToken(Lexer &lex, string const & token)
                lex >> colorlinks;
        } else if (token == "\\pdf_backref") {
                lex >> backref;
-       } else if (token == "\\pdf_pagebackref") {
-               lex >> pagebackref;
        } else if (token == "\\pdf_pdfusetitle") {
                lex >> pdfusetitle;
        } else if (token == "\\pdf_pagemode") {
                lex >> pagemode;
        } else if (token == "\\pdf_quoted_options") {
-               lex >> quoted_options;
+               if (lex.isOK()) {
+                       lex.next(true);
+                       quoted_options = lex.getString();
+               }
        } else {
                return token;
        }
@@ -195,12 +276,13 @@ string PDFOptions::readToken(Lexer &lex, string const & token)
 }
 
 
-// prepared for check
-string PDFOptions::quoted_options_get() const
+// check the string from UI
+string PDFOptions::quoted_options_check(string const & str) const
 {
-       return quoted_options;
+       return subst(str, "\n", "");
 }
 
+
 // set implicit settings for hyperref
 void PDFOptions::clear()
 {
@@ -216,8 +298,7 @@ void PDFOptions::clear()
        breaklinks              = false;
        pdfborder               = false;
        colorlinks              = false;
-       backref                 = false;
-       pagebackref             = false;
+       backref                 = "false";
        pagemode.clear();
        quoted_options.clear();
        pdfusetitle             = true;  //in contrast with hyperref