]> git.lyx.org Git - lyx.git/blobdiff - src/output_latex.cpp
Fix bug #6649 - fix texrow structure generated by InsetIndex
[lyx.git] / src / output_latex.cpp
index de11bc9b9652da0a74413566f8bca7ca6d403cf6..cdd42aaf4325222dffc0f18efff4d343bca6e20c 100644 (file)
@@ -21,7 +21,6 @@
 #include "LyXRC.h"
 #include "OutputParams.h"
 #include "Paragraph.h"
-#include "paragraph_funcs.h"
 #include "ParagraphParameters.h"
 #include "TextClass.h"
 #include "TexRow.h"
@@ -52,6 +51,7 @@ enum OpenEncoding {
 
 static int open_encoding_ = none;
 static int cjk_inherited_ = 0;
+Language const * prev_env_language_ = 0;
 
 
 ParagraphList::const_iterator
@@ -74,12 +74,13 @@ TeXDeeper(Buffer const & buf,
 
        ParagraphList const & paragraphs = text.paragraphs();
 
+       bool const force_plain_layout = text.inset().forcePlainLayout();
        while (par != paragraphs.end() &&
                                        par->params().depth() == pit->params().depth()) {
                // FIXME This test should not be necessary.
                // We should perhaps issue an error if it is.
-               Layout const & style = par->forcePlainLayout() ?
-                       buf.params().documentClass().plainLayout() : par->layout();
+               Layout const & style = force_plain_layout
+                       buf.params().documentClass().plainLayout() : par->layout();
                if (style.isEnvironment()) {
                        par = TeXEnvironment(buf, text, par,
                                             os, texrow, runparams);
@@ -107,16 +108,26 @@ TeXEnvironment(Buffer const & buf,
 
        // FIXME This test should not be necessary.
        // We should perhaps issue an error if it is.
-       Layout const & style = pit->forcePlainLayout() ?
+       Layout const & style = text.inset().forcePlainLayout() ?
                bparams.documentClass().plainLayout() : pit->layout();
 
        ParagraphList const & paragraphs = text.paragraphs();
+       ParagraphList::const_iterator const priorpit =
+               pit == paragraphs.begin() ? pit : boost::prior(pit);
+
+       bool const use_prev_env_language = prev_env_language_ != 0
+                       && priorpit->layout().isEnvironment()
+                       && (priorpit->getDepth() > pit->getDepth()
+                           || (priorpit->getDepth() == pit->getDepth()
+                               && priorpit->layout() != pit->layout()));
 
+       Encoding const * const prev_encoding = runparams.encoding;
        Language const * const par_language = pit->getParLanguage(bparams);
        Language const * const doc_language = bparams.language;
        Language const * const prev_par_language =
                (pit != paragraphs.begin())
-               ? boost::prior(pit)->getParLanguage(bparams)
+               ? (use_prev_env_language ? prev_env_language_
+                                        : priorpit->getParLanguage(bparams))
                : doc_language;
        if (par_language->babel() != prev_par_language->babel()) {
 
@@ -170,7 +181,7 @@ TeXEnvironment(Buffer const & buf,
                           << "}\n";
                } else if (style.labeltype == LABEL_BIBLIO) {
                        if (pit->params().labelWidthString().empty())
-                               os << '{' << bibitemWidest(buf) << "}\n";
+                               os << '{' << bibitemWidest(buf, runparams) << "}\n";
                        else
                                os << '{'
                                  << pit->params().labelWidthString()
@@ -240,11 +251,23 @@ TeXEnvironment(Buffer const & buf,
        if (style.isEnvironment()) {
                os << "\\end{" << from_ascii(style.latexname()) << "}\n";
                texrow.newline();
+               prev_env_language_ = par_language;
+               if (runparams.encoding != prev_encoding) {
+                       runparams.encoding = prev_encoding;
+                       if (!bparams.useXetex)
+                               os << setEncoding(prev_encoding->iconvName());
+               }
        }
 
        if (leftindent_open) {
                os << "\\end{LyXParagraphLeftIndent}\n";
                texrow.newline();
+               prev_env_language_ = par_language;
+               if (runparams.encoding != prev_encoding) {
+                       runparams.encoding = prev_encoding;
+                       if (!bparams.useXetex)
+                               os << setEncoding(prev_encoding->iconvName());
+               }
        }
 
        if (par != paragraphs.end())
@@ -296,9 +319,18 @@ ParagraphList::const_iterator TeXOnePar(Buffer const & buf,
        OutputParams runparams = runparams_in;
        runparams.isLastPar = nextpit == paragraphs.end();
 
+       bool const maintext = text.isMainText();
+       // we are at the beginning of an inset and CJK is already open;
+       // we count inheritation levels to get the inset nesting right.
+       if (pit == paragraphs.begin() && !maintext
+           && (cjk_inherited_ > 0 || open_encoding_ == CJK)) {
+               cjk_inherited_ += 1;
+               open_encoding_ = none;
+       }
+
        if (runparams.verbatim) {
                int const dist = distance(paragraphs.begin(), pit);
-               Font const outerfont = outerFont(dist, paragraphs);
+               Font const outerfont = text.outerFont(dist);
 
                // No newline if only one paragraph in this lyxtext
                if (dist > 0) {
@@ -313,20 +345,9 @@ ParagraphList::const_iterator TeXOnePar(Buffer const & buf,
 
        // FIXME This check should not really be needed.
        // Perhaps we should issue an error if it is.
-       Layout const style = pit->forcePlainLayout() ?
+       Layout const style = text.inset().forcePlainLayout() ?
                bparams.documentClass().plainLayout() : pit->layout();
 
-       runparams.moving_arg |= style.needprotect;
-
-       bool const maintext = text.isMainText(buf);
-       // we are at the beginning of an inset and CJK is already open;
-       // we count inheritation levels to get the inset nesting right.
-       if (pit == paragraphs.begin() && !maintext
-           && (cjk_inherited_ > 0 || open_encoding_ == CJK)) {
-               cjk_inherited_ += 1;
-               open_encoding_ = none;
-       }
-
        // This paragraph's language
        Language const * const par_language = pit->getParLanguage(bparams);
        // The document's language
@@ -336,36 +357,24 @@ ParagraphList::const_iterator TeXOnePar(Buffer const & buf,
        Language const * const outer_language =
                (runparams.local_font != 0) ?
                        runparams.local_font->language() : doc_language;
-       // The previous language that was in effect is either the language of
-       // the previous paragraph, if there is one, or else the outer language
-       // if there is no previous paragraph
-       Language const * prev_language =
-               (pit != paragraphs.begin()) ?
-                       priorpit->getParLanguage(bparams) : outer_language;
-
-       // When the language is changed at the very start of a LyX environment,
-       // the language switch in the LaTeX code occurs just before switching to
-       // the corresponding LaTeX environment. So, when the environment ends,
-       // we have to restore the language that was in effect.
-       bool env_lang_switch = false;
-       if (!priorpit->hasSameLayout(*pit)) {
-               ParagraphList::const_iterator outpit = priorpit;
-               while (outpit != paragraphs.begin()
-                       && (outpit->hasSameLayout(*priorpit)
-                               || outpit->getDepth() > priorpit->getDepth()))
-                       outpit = boost::prior(outpit);
-               ParagraphList::const_iterator const inpit = boost::next(outpit);
-               Language const * const outenv_language
-                                       = outpit->getParLanguage(bparams);
-               Language const * const inenv_language
-                                       = inpit->getParLanguage(bparams);
-               if (outenv_language->babel() != inenv_language->babel())
-                       env_lang_switch = true;
-               if (outenv_language->babel() != par_language->babel())
-                       prev_language = outenv_language;
-       }
-
-       if ((par_language->babel() != prev_language->babel() || env_lang_switch)
+
+       // The previous language that was in effect is the language of the
+       // previous paragraph, unless the previous paragraph is inside an
+       // environment with nesting depth greater than (or equal to, but with
+       // a different layout) the current one. If there is no previous
+       // paragraph, the previous language is the outer language.
+       bool const use_prev_env_language = prev_env_language_ != 0
+                       && priorpit->layout().isEnvironment()
+                       && (priorpit->getDepth() > pit->getDepth()
+                           || (priorpit->getDepth() == pit->getDepth()
+                               && priorpit->layout() != pit->layout()));
+       Language const * const prev_language =
+               (pit != paragraphs.begin())
+               ? (use_prev_env_language ? prev_env_language_
+                                        : priorpit->getParLanguage(bparams))
+               : outer_language;
+
+       if (par_language->babel() != prev_language->babel()
            // check if we already put language command in TeXEnvironment()
            && !(style.isEnvironment()
                 && (pit == paragraphs.begin() ||
@@ -451,7 +460,9 @@ ParagraphList::const_iterator TeXOnePar(Buffer const & buf,
                // Look ahead for future encoding changes.
                // We try to output them at the beginning of the paragraph,
                // since the \inputencoding command is not allowed e.g. in
-               // sections.
+               // sections. For this reason we only set runparams.moving_arg
+               // after checking for the encoding change, otherwise the
+               // change would be always avoided by switchEncoding().
                for (pos_type i = 0; i < pit->size(); ++i) {
                        char_type const c = pit->getChar(i);
                        Encoding const * const encoding =
@@ -502,6 +513,9 @@ ParagraphList::const_iterator TeXOnePar(Buffer const & buf,
                }
        }
 
+       runparams.moving_arg |= style.needprotect;
+       Encoding const * const prev_encoding = runparams.encoding;
+
        bool const useSetSpace = bparams.documentClass().provides("SetSpace");
        if (pit->allowParagraphCustomization()) {
                if (pit->params().startOfAppendix()) {
@@ -551,8 +565,7 @@ ParagraphList::const_iterator TeXOnePar(Buffer const & buf,
                break;
        }
 
-       Font const outerfont = outerFont(distance(paragraphs.begin(), pit),
-                         paragraphs);
+       Font const outerfont = text.outerFont(distance(paragraphs.begin(), pit));
 
        // FIXME UNICODE
        os << from_utf8(everypar);
@@ -583,8 +596,14 @@ ParagraphList::const_iterator TeXOnePar(Buffer const & buf,
                os << "\\" << from_ascii(font.latexSize()) << " \\par}";
        } else if (need_par) {
                os << "\\par}";
-       } else if (is_command)
+       } else if (is_command) {
                os << '}';
+               if (runparams.encoding != prev_encoding) {
+                       runparams.encoding = prev_encoding;
+                       if (!bparams.useXetex)
+                               os << setEncoding(prev_encoding->iconvName());
+               }
+       }
 
        bool pending_newline = false;
        switch (style.latextype) {
@@ -653,11 +672,18 @@ ParagraphList::const_iterator TeXOnePar(Buffer const & buf,
                // when the paragraph uses CJK, the language has to be closed earlier
                if (font.language()->encoding()->package() != Encoding::CJK) {
                        if (lyxrc.language_command_end.empty()) {
-                               if (!prev_language->babel().empty()) {
+                               // If this is a child, we should restore the
+                               // master language after the last paragraph.
+                               Language const * const current_language =
+                                       (nextpit == paragraphs.end()
+                                       && runparams.master_language)
+                                               ? runparams.master_language
+                                               : outer_language;
+                               if (!current_language->babel().empty()) {
                                        os << from_ascii(subst(
                                                lyxrc.language_command_begin,
                                                "$$lang",
-                                               prev_language->babel()));
+                                               current_language->babel()));
                                        pending_newline = true;
                                }
                        } else if (!par_language->babel().empty()) {
@@ -791,7 +817,7 @@ void latexParagraphs(Buffer const & buf,
                const_cast<OutputParams&>(runparams).par_end = 0;
        }
 
-       bool const maintext = text.isMainText(buf);
+       bool const maintext = text.isMainText();
        bool const is_child = buf.masterBuffer() != &buf;
 
        // Open a CJK environment at the beginning of the main buffer
@@ -804,7 +830,7 @@ void latexParagraphs(Buffer const & buf,
                texrow.newline();
                open_encoding_ = CJK;
        }
-       // if "auto begin" is switched off, explicitely switch the
+       // if "auto begin" is switched off, explicitly switch the
        // language on at start
        if (maintext && !lyxrc.language_auto_begin &&
            !bparams.language->babel().empty()) {
@@ -822,7 +848,7 @@ void latexParagraphs(Buffer const & buf,
                lastpar = par;
                // FIXME This check should not be needed. We should
                // perhaps issue an error if it is.
-               Layout const & layout = par->forcePlainLayout() ?
+               Layout const & layout = text.inset().forcePlainLayout() ?
                                tclass.plainLayout() : par->layout();
 
                if (layout.intitle) {
@@ -878,7 +904,7 @@ void latexParagraphs(Buffer const & buf,
                texrow.newline();
        }
 
-       // if "auto end" is switched off, explicitely close the language at the end
+       // if "auto end" is switched off, explicitly close the language at the end
        // but only if the last par is in a babel language
        if (maintext && !lyxrc.language_auto_end && !bparams.language->babel().empty() &&
                lastpar->getParLanguage(bparams)->encoding()->package() != Encoding::CJK) {