]> git.lyx.org Git - lyx.git/blobdiff - src/paragraph.C
oops again! hopefully this works now. Time to go to bed
[lyx.git] / src / paragraph.C
index 6695bb38446eee5f45a403730a243b9f950e41df..4e99c7318589bc58749bf4cc73c98868ab78324a 100644 (file)
 
 #include <config.h>
 
-#ifdef __GNUG__
-#pragma implementation
-#endif
-
 #include "paragraph.h"
 #include "paragraph_pimpl.h"
 #include "lyxrc.h"
 #include "encoding.h"
 #include "ParameterStruct.h"
 #include "gettext.h"
+#include "changes.h"
 
-#include "insets/insetinclude.h"
 #include "insets/insetbib.h"
-#include "insets/insettext.h"
+#include "insets/insetoptarg.h"
 
 #include "support/filetools.h"
 #include "support/lstrings.h"
@@ -43,6 +39,7 @@
 #include <algorithm>
 #include <fstream>
 #include <csignal>
+#include <ctime>
 
 using std::ostream;
 using std::endl;
@@ -50,7 +47,6 @@ using std::fstream;
 using std::ios;
 using std::lower_bound;
 using std::upper_bound;
-using std::reverse;
 
 using lyx::pos_type;
 
@@ -165,7 +161,7 @@ Paragraph::~Paragraph()
 
 void Paragraph::write(Buffer const * buf, ostream & os,
                          BufferParams const & bparams,
-                         depth_type dth) const
+                         depth_type dth) const
 {
        // The beginning or end of a deeper (i.e. nested) area?
        if (dth != params().depth()) {
@@ -183,15 +179,15 @@ void Paragraph::write(Buffer const * buf, ostream & os,
        }
 
        // First write the layout
-       os << "\n\\layout " << layout()->name() << "\n";
+       os << "\n\\layout " << layout()->name() << '\n';
 
        // Maybe some vertical spaces.
        if (params().spaceTop().kind() != VSpace::NONE)
                os << "\\added_space_top "
-                  << params().spaceTop().asLyXCommand() << " ";
+                  << params().spaceTop().asLyXCommand() << ' ';
        if (params().spaceBottom().kind() != VSpace::NONE)
                os << "\\added_space_bottom "
-                  << params().spaceBottom().asLyXCommand() << " ";
+                  << params().spaceBottom().asLyXCommand() << ' ';
 
        // Maybe the paragraph has special spacing
        params().spacing().writeFile(os, true);
@@ -223,7 +219,8 @@ void Paragraph::write(Buffer const * buf, ostream & os,
 
        // Do we have a manual left indent?
        if (!params().leftIndent().zero())
-               os << "\\leftindent " << params().leftIndent().asString() << " ";
+               os << "\\leftindent " << params().leftIndent().asString()
+                  << ' ';
 
        // Alignment?
        if (params().align() != LYX_ALIGN_LAYOUT) {
@@ -234,7 +231,7 @@ void Paragraph::write(Buffer const * buf, ostream & os,
                case LYX_ALIGN_CENTER: h = 3; break;
                default: h = 0; break;
                }
-               os << "\\align " << string_align[h] << " ";
+               os << "\\align " << string_align[h] << ' ';
        }
 
        // bibitem  ale970302
@@ -243,21 +240,24 @@ void Paragraph::write(Buffer const * buf, ostream & os,
 
        LyXFont font1(LyXFont::ALL_INHERIT, bparams.language);
 
+       Change running_change = Change(Change::UNCHANGED);
+       lyx::time_type const curtime(lyx::current_time());
        int column = 0;
        for (pos_type i = 0; i < size(); ++i) {
                if (!i) {
-                       os << "\n";
+                       os << '\n';
                        column = 0;
                }
 
+               Change change = pimpl_->lookupChangeFull(i);
+               Changes::lyxMarkChange(os, column, curtime, running_change, change);
+               running_change = change;
                // Write font changes
                LyXFont font2 = getFontSettings(bparams, i);
                if (font2 != font1) {
-#ifndef INHERIT_LANGUAGE
                        font2.lyxWriteChanges(font1, os);
-#else
-                       font2.lyxWriteChanges(font1, bparams.language, os);
-#endif
                        column = 0;
                        font1 = font2;
                }
@@ -298,12 +298,12 @@ void Paragraph::write(Buffer const * buf, ostream & os,
                                os << ".\n";
                                column = 0;
                        } else
-                               os << ".";
+                               os << '.';
                        break;
                default:
                        if ((column > 70 && c == ' ')
                            || column > 79) {
-                               os << "\n";
+                               os << '\n';
                                column = 0;
                        }
                        // this check is to amend a bug. LyX sometimes
@@ -317,6 +317,15 @@ void Paragraph::write(Buffer const * buf, ostream & os,
                        break;
                }
        }
+
+       // to make reading work properly
+       if (!size()) {
+               running_change = pimpl_->lookupChange(0);
+               Changes::lyxMarkChange(os, column, curtime,
+                       Change(Change::UNCHANGED), running_change);
+       }
+       Changes::lyxMarkChange(os, column, curtime,
+               running_change, Change(Change::UNCHANGED)); 
 }
 
 
@@ -394,6 +403,12 @@ void Paragraph::erase(pos_type pos)
 }
 
 
+bool Paragraph::erase(pos_type start, pos_type end)
+{
+       return pimpl_->erase(start, end);
+}
+
 bool Paragraph::checkInsertChar(LyXFont & font)
 {
        if (pimpl_->inset_owner)
@@ -410,9 +425,9 @@ void Paragraph::insertChar(pos_type pos, Paragraph::value_type c)
 
 
 void Paragraph::insertChar(pos_type pos, Paragraph::value_type c,
-                          LyXFont const & font)
+                          LyXFont const & font, Change change)
 {
-       pimpl_->insertChar(pos, c, font);
+       pimpl_->insertChar(pos, c, font, change);
 }
 
 
@@ -423,9 +438,9 @@ void Paragraph::insertInset(pos_type pos, Inset * inset)
 }
 
 
-void Paragraph::insertInset(pos_type pos, Inset * inset, LyXFont const & font)
+void Paragraph::insertInset(pos_type pos, Inset * inset, LyXFont const & font, Change change)
 {
-       pimpl_->insertInset(pos, inset, font);
+       pimpl_->insertInset(pos, inset, font, change);
 }
 
 
@@ -475,10 +490,6 @@ LyXFont const Paragraph::getFontSettings(BufferParams const & bparams,
                retfont = getFontSettings(bparams, pos - 1);
        } else
                retfont = LyXFont(LyXFont::ALL_INHERIT, getParLanguage(bparams));
-#ifdef INHERIT_LANGUAGE
-       if (retfont.language() == inherit_language)
-               retfont.setLanguage(bparams.language);
-#endif
 
        return retfont;
 }
@@ -508,9 +519,7 @@ LyXFont const Paragraph::getFont(BufferParams const & bparams,
 
        LyXLayout_ptr const & lout = layout();
 
-       pos_type main_body = 0;
-       if (lout->labeltype == LABEL_MANUAL)
-               main_body = beginningOfMainBody();
+       pos_type const main_body = beginningOfMainBody();
 
        LyXFont layoutfont;
        if (pos < main_body)
@@ -519,11 +528,7 @@ LyXFont const Paragraph::getFont(BufferParams const & bparams,
                layoutfont = lout->font;
 
        LyXFont tmpfont = getFontSettings(bparams, pos);
-#ifndef INHERIT_LANGUAGE
        tmpfont.realize(layoutfont);
-#else
-       tmpfont.realize(layoutfont, bparams.language);
-#endif
 
        return pimpl_->realizeFont(tmpfont, bparams);
 }
@@ -749,7 +754,7 @@ int Paragraph::stripLeadingSpaces()
 
        int i = 0;
        while (!empty() && (isNewline(0) || isLineSeparator(0))) {
-               erase(0);
+               pimpl_->eraseIntern(0);
                ++i;
        }
 
@@ -765,37 +770,6 @@ bool Paragraph::hasSameLayout(Paragraph const * par) const
 }
 
 
-// Be carefull, this does not make any check at all.
-// This method has wrong name, it combined this par with the next par.
-// In that sense it is the reverse of break paragraph. (Lgb)
-void Paragraph::pasteParagraph(BufferParams const & bparams)
-{
-       // copy the next paragraph to this one
-       Paragraph * the_next = next();
-
-       // first the DTP-stuff
-       params().lineBottom(the_next->params().lineBottom());
-       params().spaceBottom(the_next->params().spaceBottom());
-       params().pagebreakBottom(the_next->params().pagebreakBottom());
-
-       pos_type pos_end = the_next->pimpl_->size() - 1;
-       pos_type pos_insert = size();
-
-       // ok, now copy the paragraph
-       for (pos_type i = 0, j = 0; i <= pos_end; ++i) {
-               the_next->cutIntoMinibuffer(bparams, i);
-               if (insertFromMinibuffer(pos_insert + j))
-                       ++j;
-       }
-
-       // delete the next paragraph
-       Paragraph * ppar = the_next->previous_;
-       Paragraph * npar = the_next->next_;
-       delete the_next;
-       ppar->next(npar);
-}
-
-
 int Paragraph::getEndLabel() const
 {
        Paragraph const * par = this;
@@ -890,6 +864,9 @@ void Paragraph::applyLayout(LyXLayout_ptr const & new_layout)
 
 int Paragraph::beginningOfMainBody() const
 {
+       if (layout()->labeltype != LABEL_MANUAL)
+               return 0;
+
        // Unroll the first two cycles of the loop
        // and remember the previous character to
        // remove unnecessary GetChar() calls
@@ -986,6 +963,23 @@ int Paragraph::getPositionOfInset(Inset const * inset) const
        return -1;
 }
 
+namespace {
+
+InsetOptArg * optArgInset(Paragraph const & par)
+{
+       // Find the entry.
+       InsetList::iterator it = par.insetlist.begin();
+       InsetList::iterator end = par.insetlist.end();
+       for (; it != end; ++it) {
+               Inset * ins = it.getInset();
+               if (ins->lyxCode() == Inset::OPTARG_CODE) {
+                       return static_cast<InsetOptArg *>(ins);
+               }
+       }
+       return 0;
+}
+
+} // end namespace
 
 Paragraph * Paragraph::TeXOnePar(Buffer const * buf,
                                 BufferParams const & bparams,
@@ -1011,7 +1005,7 @@ Paragraph * Paragraph::TeXOnePar(Buffer const * buf,
 
                if (!params().spacing().isDefault()
                        && (!previous() || !previous()->hasSameLayout(this))) {
-                       os << params().spacing().writeEnvirBegin() << "\n";
+                       os << params().spacing().writeEnvirBegin() << '\n';
                        texrow.newline();
                }
 
@@ -1051,8 +1045,10 @@ Paragraph * Paragraph::TeXOnePar(Buffer const * buf,
        if (language->babel() != previous_language->babel()
            // check if we already put language command in TeXEnvironment()
            && !(style->isEnvironment()
-                && (!previous() || previous()->layout() != layout() ||
-                        previous()->params().depth() != params().depth())))
+                && (!previous() ||
+                    (previous()->layout() != layout() &&
+                     previous()->getDepth() <= getDepth())
+                    || previous()->getDepth() < getDepth())))
        {
                if (!lyxrc.language_command_end.empty() &&
                    previous_language->babel() != doc_language->babel())
@@ -1077,15 +1073,23 @@ Paragraph * Paragraph::TeXOnePar(Buffer const * buf,
            language->encoding() != previous_language->encoding()) {
                os << "\\inputencoding{"
                   << language->encoding()->LatexName()
-                  << "}" << endl;
+                  << "}\n";
                texrow.newline();
        }
 
        switch (style->latextype) {
        case LATEX_COMMAND:
                os << '\\'
-                  << style->latexname()
-                  << style->latexparam();
+                  << style->latexname();
+
+               // Separate handling of optional argument inset.
+               if (style->optionalargs == 1) {
+                       InsetOptArg * it = optArgInset(*this);
+                       if (it != 0)
+                               it->latexOptional(buf, os, false, false);
+               }
+               else
+                       os << style->latexparam();
                break;
        case LATEX_ITEM_ENVIRONMENT:
                if (bibkey) {
@@ -1119,12 +1123,12 @@ Paragraph * Paragraph::TeXOnePar(Buffer const * buf,
 
        if (style->resfont.size() != font.size() && next_ && !is_command) {
                if (!need_par)
-                       os << "{";
+                       os << '{';
                os << "\\" << font.latexSize() << " \\par}";
        } else if (need_par) {
                os << "\\par}";
        } else if (is_command)
-               os << "}";
+               os << '}';
 
        switch (style->latextype) {
        case LATEX_ITEM_ENVIRONMENT:
@@ -1174,7 +1178,7 @@ Paragraph * Paragraph::TeXOnePar(Buffer const * buf,
 
                if (!params().spacing().isDefault()
                        && (!next_ || !next_->hasSameLayout(this))) {
-                       os << params().spacing().writeEnvirEnd() << "\n";
+                       os << params().spacing().writeEnvirEnd() << '\n';
                        texrow.newline();
                }
        }
@@ -1353,12 +1357,16 @@ bool Paragraph::simpleTeXOnePar(Buffer const * buf,
 
        // Maybe we have to create a optional argument.
        pos_type main_body;
-       if (style->labeltype != LABEL_MANUAL)
+
+       // FIXME: can we actually skip this check and just call
+       // beginningOfMainBody() ??
+       if (style->labeltype != LABEL_MANUAL) {
                main_body = 0;
-       else
+       } else {
                main_body = beginningOfMainBody();
+       }
 
-       int column = 0;
+       unsigned int column = 0;
 
        if (main_body > 0) {
                os << '[';
@@ -1375,6 +1383,8 @@ bool Paragraph::simpleTeXOnePar(Buffer const * buf,
        // Do we have an open font change?
        bool open_font = false;
 
+       Change::Type running_change = Change::UNCHANGED;
        texrow.start(this, 0);
 
        // if the paragraph is empty, the loop will not be entered at all
@@ -1461,7 +1471,12 @@ bool Paragraph::simpleTeXOnePar(Buffer const * buf,
                        running_font = font;
                        open_font = true;
                }
-
+               Change::Type change = pimpl_->lookupChange(i);
+               column += Changes::latexMarkChange(os, running_change, change);
+               running_change = change;
                if (c == Paragraph::META_NEWLINE) {
                        // newlines are handled differently here than
                        // the default in SimpleTeXSpecialChars().
@@ -1476,7 +1491,7 @@ bool Paragraph::simpleTeXOnePar(Buffer const * buf,
                                running_font = basefont;
                                if (font.family() ==
                                    LyXFont::TYPEWRITER_FAMILY) {
-                                       os << "~";
+                                       os << '~';
                                }
                                if (moving_arg)
                                        os << "\\protect ";
@@ -1491,10 +1506,14 @@ bool Paragraph::simpleTeXOnePar(Buffer const * buf,
                                                      os, texrow, moving_arg,
                                                      font, running_font,
                                                      basefont, open_font,
+                                                     running_change,
                                                      *style, i, column, c);
                }
        }
 
+       column += Changes::latexMarkChange(os,
+                       running_change, Change::UNCHANGED);
        // If we have an open font definition, we have to close it
        if (open_font) {
 #ifdef FIXED_LANGUAGE_END_DETECTION
@@ -1697,17 +1716,7 @@ Language const *
 Paragraph::getParLanguage(BufferParams const & bparams) const
 {
        if (!empty()) {
-#ifndef INHERIT_LANGUAGE
                return getFirstFontSettings().language();
-#else
-               Language const * lang = getFirstFontSettings().language();
-#ifdef WITH_WARNINGS
-#warning We should make this somewhat better, any ideas? (Jug)
-#endif
-               if (lang == inherit_language || lang == ignore_language)
-                       lang = bparams.language;
-               return lang;
-#endif
        } else if (previous_)
                return previous_->getParLanguage(bparams);
        else
@@ -1746,9 +1755,6 @@ bool Paragraph::isMultiLingual(BufferParams const & bparams)
        for (; cit != end; ++cit)
                if (cit->font().language() != ignore_language &&
                    cit->font().language() != latex_language &&
-#ifdef INHERIT_LANGUAGE
-                       cit->font().language() != inherit_language &&
-#endif
                        cit->font().language() != doc_language)
                        return true;
        return false;
@@ -1757,13 +1763,11 @@ bool Paragraph::isMultiLingual(BufferParams const & bparams)
 
 // Convert the paragraph to a string.
 // Used for building the table of contents
-string const Paragraph::asString(Buffer const * buffer, bool label)
+string const Paragraph::asString(Buffer const * buffer, bool label) const
 {
-       BufferParams const & bparams = buffer->params;
        string s;
        if (label && !params().labelString().empty())
                s += params().labelString() + ' ';
-       string::size_type const len = s.size();
 
        for (pos_type i = 0; i < size(); ++i) {
                value_type c = getChar(i);
@@ -1773,19 +1777,16 @@ string const Paragraph::asString(Buffer const * buffer, bool label)
                         getInset(i)->lyxCode() == Inset::MATH_CODE) {
                        ostringstream ost;
                        getInset(i)->ascii(buffer, ost);
-                       s += subst(ost.str().c_str(),'\n',' ');
+                       s += subst(STRCONV(ost.str()),'\n',' ');
                }
        }
 
-       if (isRightToLeftPar(bparams))
-               reverse(s.begin() + len,s.end());
-
        return s;
 }
 
 
 string const Paragraph::asString(Buffer const * buffer,
-                                pos_type beg, pos_type end, bool label)
+                                pos_type beg, pos_type end, bool label) const
 {
        ostringstream ost;
 
@@ -1805,7 +1806,7 @@ string const Paragraph::asString(Buffer const * buffer,
                }
        }
 
-       return ost.str().c_str();
+       return STRCONV(ost.str());
 }
 
 
@@ -1841,6 +1842,68 @@ void Paragraph::setContentsFromPar(Paragraph * par)
 }
 
 
+void Paragraph::trackChanges(Change::Type type)
+{
+       pimpl_->trackChanges(type);
+}
+
+void Paragraph::untrackChanges()
+{
+       pimpl_->untrackChanges();
+}
+
+
+void Paragraph::cleanChanges()
+{
+       pimpl_->cleanChanges();
+}
+
+Change::Type Paragraph::lookupChange(lyx::pos_type pos) const
+{
+       lyx::Assert(!size() || pos < size());
+       return pimpl_->lookupChange(pos);
+}
+
+Change const Paragraph::lookupChangeFull(lyx::pos_type pos) const
+{
+       lyx::Assert(!size() || pos < size());
+       return pimpl_->lookupChangeFull(pos);
+}
+
+bool Paragraph::isChanged(pos_type start, pos_type end) const
+{
+       return pimpl_->isChanged(start, end);
+}
+
+
+bool Paragraph::isChangeEdited(pos_type start, pos_type end) const
+{
+       return pimpl_->isChangeEdited(start, end);
+}
+
+void Paragraph::markErased()
+{
+       pimpl_->markErased();
+}
+
+void Paragraph::acceptChange(pos_type start, pos_type end)
+{
+       return pimpl_->acceptChange(start, end);
+}
+
+void Paragraph::rejectChange(pos_type start, pos_type end)
+{
+       return pimpl_->rejectChange(start, end);
+}
+
 lyx::pos_type Paragraph::size() const
 {
        return pimpl_->size();
@@ -1915,12 +1978,6 @@ ParagraphParameters const & Paragraph::params() const
 }
 
 
-Paragraph * Paragraph::getParFromID(int id) const
-{
-       return pimpl_->getParFromID(id);
-}
-
-
 bool Paragraph::isFreeSpacing() const
 {
        // for now we just need this, later should we need this in some