]> git.lyx.org Git - lyx.git/blobdiff - src/paragraph_pimpl.C
gettext support, fast_start option, scons all, mingw bug fix and some cleanup for...
[lyx.git] / src / paragraph_pimpl.C
index eef7f3d8fbfd73c7e6b320bfb4e2b7a532757f32..6e3c63cb5538af80d8be44c7e7ab40cbe96428db 100644 (file)
@@ -1,38 +1,43 @@
-/* This file is part of
- * ======================================================
+/**
+ * \file paragraph_pimpl.C
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
  *
- *           LyX, The Document Processor
+ * \author Lars Gullik Bjønnes
+ * \author Jean-Marc Lasgouttes
+ * \author John Levon
+ * \author André Pönitz
  *
- *           Copyright 1995 Matthias Ettrich
- *           Copyright 1995-2001 The LyX Team.
- *
- * ====================================================== */
+ * Full author contact details are available in file CREDITS.
+ */
 
 #include <config.h>
 
-#ifdef __GNUG__
-#pragma implementation
-#endif
-
 #include "paragraph_pimpl.h"
-#include "LaTeXFeatures.h"
-#include "texrow.h"
-#include "language.h"
+#include "paragraph.h"
+
 #include "bufferparams.h"
+#include "debug.h"
 #include "encoding.h"
+#include "language.h"
+#include "LaTeXFeatures.h"
+#include "LColor.h"
+#include "lyxlength.h"
 #include "lyxrc.h"
-#include "debug.h"
+#include "outputparams.h"
+#include "texrow.h"
 
-#include "support/LAssert.h"
+#include <boost/next_prior.hpp>
 
 using lyx::pos_type;
+
 using std::endl;
-using std::ostream;
 using std::upper_bound;
 using std::lower_bound;
+using std::string;
+using std::ostream;
+
 
-// Initialize static member.
-ShareContainer<LyXFont> Paragraph::Pimpl::FontTable::container;
 // Initialization of the counter for the paragraph id's,
 unsigned int Paragraph::Pimpl::paragraph_id = 0;
 
@@ -64,35 +69,23 @@ Paragraph::Pimpl::Pimpl(Paragraph * owner)
 }
 
 
-Paragraph::Pimpl::Pimpl(Pimpl const & p, Paragraph * owner, bool same_ids)
+Paragraph::Pimpl::Pimpl(Pimpl const & p, Paragraph * owner)
        : params(p.params), owner_(owner)
 {
        inset_owner = p.inset_owner;
-       text = p.text;
        fontlist = p.fontlist;
-       if (same_ids)
-               id_ = p.id_;
-       else
-               id_ = paragraph_id++;
+       id_ = paragraph_id++;
 
        if (p.tracking())
                changes_.reset(new Changes(*p.changes_.get()));
 }
 
 
-void Paragraph::Pimpl::clear()
+void Paragraph::Pimpl::setContentsFromPar(Paragraph const & par)
 {
-       text.clear();
-#warning changes ? 
-}
-
-
-void Paragraph::Pimpl::setContentsFromPar(Paragraph const * par)
-{
-       lyx::Assert(par);
-       text = par->pimpl_->text;
-       if (par->pimpl_->tracking()) {
-               changes_.reset(new Changes(*(par->pimpl_->changes_.get())));
+       owner_->text_ = par.text_;
+       if (par.pimpl_->tracking()) {
+               changes_.reset(new Changes(*(par.pimpl_->changes_.get())));
        }
 }
 
@@ -103,31 +96,39 @@ void Paragraph::Pimpl::trackChanges(Change::Type type)
                lyxerr[Debug::CHANGES] << "already tracking for par " << id_ << endl;
                return;
        }
+
        lyxerr[Debug::CHANGES] << "track changes for par "
                << id_ << " type " << type << endl;
        changes_.reset(new Changes(type));
-       changes_->set(type, 0, size());
+       changes_->set(type, 0, size() + 1);
 }
 
+
 void Paragraph::Pimpl::untrackChanges()
 {
        changes_.reset(0);
 }
 
-void Paragraph::Pimpl::cleanChanges()
+
+void Paragraph::Pimpl::cleanChanges(Paragraph::ChangeTracking ct)
 {
-       // if we're not tracking, we don't want to reset...
-       if (!tracking())
+       // if the paragraph was not tracked and we don't know the buffer's
+       // change tracking state, we do nothing
+       if ((ct == Paragraph::trackingUnknown) && !tracking())
                return;
 
+       // untrack everything if we are in a buffer where ct is disabled
+       else if (ct == Paragraph::trackingOff) {
+               untrackChanges();
+               return;
+       }
+       
+       // in a buffer where ct is enabled, set everything to INSERTED
        changes_.reset(new Changes(Change::INSERTED));
-       changes_->set(Change::INSERTED, 0, size());
+       changes_->set(Change::INSERTED, 0, size() + 1);
 }
 
+
 bool Paragraph::Pimpl::isChanged(pos_type start, pos_type end) const
 {
        if (!tracking())
@@ -145,8 +146,8 @@ bool Paragraph::Pimpl::isChangeEdited(pos_type start, pos_type end) const
        return changes_->isChangeEdited(start, end);
 }
 
-void Paragraph::Pimpl::setChange(pos_type pos, Change::Type type)
+
+void Paragraph::Pimpl::setChangeType(pos_type pos, Change::Type type)
 {
        if (!tracking())
                return;
@@ -154,52 +155,56 @@ void Paragraph::Pimpl::setChange(pos_type pos, Change::Type type)
        changes_->set(type, pos);
 }
 
-Change::Type Paragraph::Pimpl::lookupChange(pos_type pos) const
+
+void Paragraph::Pimpl::setChange(pos_type pos, Change change)
 {
        if (!tracking())
-               return Change::UNCHANGED;
+               return;
 
-       return changes_->lookup(pos);
+       changes_->set(change, pos);
 }
 
-Change const Paragraph::Pimpl::lookupChangeFull(pos_type pos) const
+
+Change const Paragraph::Pimpl::lookupChange(pos_type pos) const
 {
        if (!tracking())
                return Change(Change::UNCHANGED);
 
-       return changes_->lookupFull(pos);
+       return changes_->lookup(pos);
 }
-void Paragraph::Pimpl::markErased()
+
+
+void Paragraph::Pimpl::markErased(bool erased)
 {
-       lyx::Assert(tracking());
+       BOOST_ASSERT(tracking());
 
-       // FIXME: we should actually remove INSERTED chars.
-       // difficult because owning insettexts/tabulars need
-       // to update themselves when rows etc. change
-       changes_->set(Change::DELETED, 0, size());
-       changes_->reset(Change::DELETED);
+       if (erased) {
+               erase(0, size());
+       } else {
+               for (pos_type i = 0; i < size(); ++i) {
+                       changes_->set(Change::UNCHANGED, i);
+                       if (owner_->isInset(i))
+                               owner_->getInset(i)->markErased(false);
+               }
+       }
 }
 
+
 void Paragraph::Pimpl::acceptChange(pos_type start, pos_type end)
 {
        if (!tracking())
                return;
+
        if (!size()) {
                changes_.reset(new Changes(Change::UNCHANGED));
                return;
        }
-       lyxerr << "acceptchange" << endl; 
+
+       lyxerr[Debug::CHANGES] << "acceptchange" << endl;
        pos_type i = start;
 
        for (; i < end; ++i) {
-               switch (lookupChange(i)) {
+               switch (lookupChange(i).type) {
                        case Change::UNCHANGED:
                                break;
 
@@ -208,15 +213,19 @@ void Paragraph::Pimpl::acceptChange(pos_type start, pos_type end)
                                break;
 
                        case Change::DELETED:
-                               eraseIntern(i);
-                               changes_->erase(i);
-                               --end;
-                               --i;
+                               // Suppress access to nonexistent
+                               // "end-of-paragraph char":
+                               if (i < size()) {
+                                       eraseIntern(i);
+                                       changes_->erase(i);
+                                       --end;
+                                       --i;
+                               }
                                break;
                }
        }
 
-       lyxerr << "endacceptchange" << endl; 
+       lyxerr[Debug::CHANGES] << "endacceptchange" << endl;
        changes_->reset(Change::UNCHANGED);
 }
 
@@ -225,63 +234,49 @@ void Paragraph::Pimpl::rejectChange(pos_type start, pos_type end)
 {
        if (!tracking())
                return;
+
        if (!size()) {
                changes_.reset(new Changes(Change::UNCHANGED));
                return;
        }
+
        pos_type i = start;
 
        for (; i < end; ++i) {
-               switch (lookupChange(i)) {
+               switch (lookupChange(i).type) {
                        case Change::UNCHANGED:
                                break;
 
                        case Change::INSERTED:
-                               eraseIntern(i);
-                               changes_->erase(i);
-                               --end;
-                               --i;
+                               if (i < size()) {
+                                       eraseIntern(i);
+                                       changes_->erase(i);
+                                       --end;
+                                       --i;
+                               }
                                break;
 
                        case Change::DELETED:
                                changes_->set(Change::UNCHANGED, i);
+                               // No real char at position size():
+                               if (i < size() && owner_->isInset(i))
+                                       owner_->getInset(i)->markErased(false);
                                break;
                }
        }
        changes_->reset(Change::UNCHANGED);
 }
 
-Paragraph::value_type Paragraph::Pimpl::getChar(pos_type pos) const
-{
-       // This is in the critical path for loading!
-       pos_type const siz = size();
-       lyx::Assert(pos <= siz);
-       // This is stronger, and I belive that this is the assertion
-       // that we should really use. (Lgb)
-       //Assert(pos < size());
-
-       // Then this has no meaning. (Lgb)
-       if (!siz || pos == siz)
-               return '\0';
-
-       return text[pos];
-}
-
 
-void Paragraph::Pimpl::setChar(pos_type pos, value_type c)
+Paragraph::value_type Paragraph::Pimpl::getChar(pos_type pos) const
 {
-#warning changes
-       text[pos] = c;
+       return owner_->getChar(pos);
 }
 
 
-void Paragraph::Pimpl::insertChar(pos_type pos, value_type c,
-                                 LyXFont const & font, Change change)
+void Paragraph::Pimpl::insertChar(pos_type pos, value_type c, Change change)
 {
-       lyx::Assert(pos <= size());
+       BOOST_ASSERT(pos <= size());
 
        if (tracking()) {
                changes_->record(change, pos);
@@ -291,12 +286,11 @@ void Paragraph::Pimpl::insertChar(pos_type pos, value_type c,
        // maybe inserting ascii text)
        if (pos == size()) {
                // when appending characters, no need to update tables
-               text.push_back(c);
-               owner_->setFont(pos, font);
+               owner_->text_.push_back(c);
                return;
        }
 
-       text.insert(text.begin() + pos, c);
+       owner_->text_.insert(owner_->text_.begin() + pos, c);
 
        // Update the font table.
        FontTable search_font(pos, LyXFont());
@@ -310,60 +304,31 @@ void Paragraph::Pimpl::insertChar(pos_type pos, value_type c,
 
        // Update the insets
        owner_->insetlist.increasePosAfterPos(pos);
-
-       owner_->setFont(pos, font);
 }
 
 
 void Paragraph::Pimpl::insertInset(pos_type pos,
-                                  Inset * inset, LyXFont const & font, Change change)
+                                  InsetBase * inset, Change change)
 {
-       lyx::Assert(inset);
-       lyx::Assert(pos <= size());
+       BOOST_ASSERT(inset);
+       BOOST_ASSERT(pos <= size());
 
-       insertChar(pos, META_INSET, font, change);
-       lyx::Assert(text[pos] == META_INSET);
+       insertChar(pos, META_INSET, change);
+       BOOST_ASSERT(owner_->text_[pos] == META_INSET);
 
        // Add a new entry in the insetlist.
        owner_->insetlist.insert(inset, pos);
-       inset->parOwner(owner_);
-
-       if (inset_owner)
-               inset->setOwner(inset_owner);
 }
 
 
-bool Paragraph::Pimpl::erasePos(pos_type pos)
-{
-       lyx::Assert(pos < size());
-
-       if (tracking()) {
-               Change::Type changetype(changes_->lookup(pos));
-               changes_->record(Change(Change::DELETED), pos);
-
-               // only allow the actual removal if it was /new/ text
-               if (changetype != Change::INSERTED) {
-                       if (text[pos] == Paragraph::META_INSET) { 
-                               Inset * i(owner_->getInset(pos));
-                               i->markErased();
-                       }
-                       return false;
-               }
-       }
-
-       eraseIntern(pos);
-       return true;
-}
-
 void Paragraph::Pimpl::eraseIntern(pos_type pos)
 {
        // if it is an inset, delete the inset entry
-       if (text[pos] == Paragraph::META_INSET) {
+       if (owner_->text_[pos] == Paragraph::META_INSET) {
                owner_->insetlist.erase(pos);
        }
 
-       text.erase(text.begin() + pos);
+       owner_->text_.erase(owner_->text_.begin() + pos);
 
        // Erase entries in the tables.
        FontTable search_font(pos, LyXFont());
@@ -400,44 +365,58 @@ void Paragraph::Pimpl::eraseIntern(pos_type pos)
 }
 
 
-void Paragraph::Pimpl::erase(pos_type pos)
+bool Paragraph::Pimpl::erase(pos_type pos)
 {
-       erasePos(pos);
+       BOOST_ASSERT(pos <= size());
+
+       if (tracking()) {
+               Change::Type changetype(changes_->lookup(pos).type);
+               changes_->record(Change(Change::DELETED), pos);
+
+               // only allow the actual removal if it was /new/ text
+               if (changetype != Change::INSERTED) {
+                       if (pos < size() && owner_->isInset(pos))
+                               owner_->getInset(pos)->markErased(true);
+                       return false;
+               }
+       }
+
+       // Don't physically access nonexistent end-of-paragraph char
+       if (pos < size()) {
+               eraseIntern(pos);
+               return true;
+       }
+
+       return false;
 }
 
-bool Paragraph::Pimpl::erase(pos_type start, pos_type end)
+
+int Paragraph::Pimpl::erase(pos_type start, pos_type end)
 {
        pos_type i = start;
-       pos_type count = end - start;
-       bool any_erased = false;
-
-       while (count) {
-               if (!erasePos(i)) {
+       for (pos_type count = end - start; count; --count) {
+               if (!erase(i))
                        ++i;
-               } else {
-                       any_erased = true;
-               } 
-               --count;
        }
-       return any_erased;
+       return end - i;
 }
 
+
 void Paragraph::Pimpl::simpleTeXBlanks(ostream & os, TexRow & texrow,
                                       pos_type const i,
                                       unsigned int & column,
                                       LyXFont const & font,
                                       LyXLayout const & style)
 {
-       if (style.pass_thru) return;
+       if (style.pass_thru)
+               return;
+
        if (column > lyxrc.ascii_linelen
            && i
            && getChar(i - 1) != ' '
            && (i < size() - 1)
            // same in FreeSpacing mode
-           && !style.free_spacing
-               && !owner_->isFreeSpacing()
+           && !owner_->isFreeSpacing()
            // In typewriter mode, we want to avoid
            // ! . ? : at the end of a line
            && !(font.family() == LyXFont::TYPEWRITER_FAMILY
@@ -447,7 +426,7 @@ void Paragraph::Pimpl::simpleTeXBlanks(ostream & os, TexRow & texrow,
                     || getChar(i - 1) == '!'))) {
                os << '\n';
                texrow.newline();
-               texrow.start(owner_, i + 1);
+               texrow.start(owner_->id(), i + 1);
                column = 0;
        } else if (style.free_spacing) {
                os << '~';
@@ -467,7 +446,7 @@ bool Paragraph::Pimpl::isTextAt(string const & str, pos_type pos) const
 
        // does the wanted text start at point?
        for (string::size_type i = 0; i < str.length(); ++i) {
-               if (str[i] != text[pos + i])
+               if (str[i] != owner_->text_[pos + i])
                        return false;
        }
 
@@ -484,15 +463,16 @@ bool Paragraph::Pimpl::isTextAt(string const & str, pos_type pos) const
        return true;
 }
 
-void Paragraph::Pimpl::simpleTeXSpecialChars(Buffer const * buf,
+
+void Paragraph::Pimpl::simpleTeXSpecialChars(Buffer const & buf,
                                             BufferParams const & bparams,
                                             ostream & os,
                                             TexRow & texrow,
-                                            bool moving_arg,
+                                            OutputParams const & runparams,
                                             LyXFont & font,
                                             LyXFont & running_font,
                                             LyXFont & basefont,
+                                            LyXFont const & outerfont,
                                             bool & open_font,
                                             Change::Type & running_change,
                                             LyXLayout const & style,
@@ -501,32 +481,74 @@ void Paragraph::Pimpl::simpleTeXSpecialChars(Buffer const * buf,
                                             value_type const c)
 {
        if (style.pass_thru) {
-               if (c != '\0') os << c;
+               if (c != Paragraph::META_INSET) {
+                       if (c != '\0')
+                               os << c;
+               } else {
+                       owner_->getInset(i)->plaintext(buf, os, runparams);
+               }
                return;
        }
+
        // Two major modes:  LaTeX or plain
        // Handle here those cases common to both modes
        // and then split to handle the two modes separately.
        switch (c) {
        case Paragraph::META_INSET: {
-               Inset * inset = owner_->getInset(i);
+               InsetBase * inset = owner_->getInset(i);
 
                // FIXME: remove this check
                if (!inset)
                        break;
-               if (inset->isTextInset()) {
+
+               // FIXME: move this to InsetNewline::latex
+               if (inset->lyxCode() == InsetBase::NEWLINE_CODE) {
+                       // newlines are handled differently here than
+                       // the default in simpleTeXSpecialChars().
+                       if (!style.newline_allowed) {
+                               os << '\n';
+                       } else {
+                               if (open_font) {
+                                       column += running_font.latexWriteEndChanges(os, basefont, basefont);
+                                       open_font = false;
+                               }
+                               basefont = owner_->getLayoutFont(bparams, outerfont);
+                               running_font = basefont;
+
+                               if (font.family() == LyXFont::TYPEWRITER_FAMILY)
+                                       os << '~';
+
+                               if (runparams.moving_arg)
+                                       os << "\\protect ";
+
+                               os << "\\\\\n";
+                       }
+                       texrow.newline();
+                       texrow.start(owner_->id(), i + 1);
+                       column = 0;
+                       break;
+               }
+
+               // output change tracking marks only if desired,
+               // if dvipost is installed,
+               // and with dvi/ps (other formats don't work)
+               LaTeXFeatures features(buf, bparams, runparams);
+               bool const output = bparams.output_changes
+                       && runparams.flavor == OutputParams::LATEX
+                       && features.isAvailable("dvipost");
+
+               if (inset->canTrackChanges()) {
                        column += Changes::latexMarkChange(os, running_change,
-                               Change::UNCHANGED);
+                               Change::UNCHANGED, output);
                        running_change = Change::UNCHANGED;
                }
+
                bool close = false;
-               int const len = os.tellp();
-               //ostream::pos_type const len = os.tellp();
-               if ((inset->lyxCode() == Inset::GRAPHICS_CODE
-                    || inset->lyxCode() == Inset::MATH_CODE
-                    || inset->lyxCode() == Inset::URL_CODE)
+               ostream::pos_type const len = os.tellp();
+
+               if ((inset->lyxCode() == InsetBase::GRAPHICS_CODE
+                    || inset->lyxCode() == InsetBase::MATH_CODE
+                    || inset->lyxCode() == InsetBase::URL_CODE)
                    && running_font.isRightToLeft()) {
                        os << "\\L{";
                        close = true;
@@ -545,12 +567,11 @@ void Paragraph::Pimpl::simpleTeXSpecialChars(Buffer const * buf,
                                                     basefont,
                                                     basefont);
                        open_font = false;
-                       basefont = owner_->getLayoutFont(bparams);
+                       basefont = owner_->getLayoutFont(bparams, outerfont);
                        running_font = basefont;
                }
 
-               int tmp = inset->latex(buf, os, moving_arg,
-                                      style.free_spacing);
+               int tmp = inset->latex(buf, os, runparams);
 
                if (close)
                        os << '}';
@@ -559,30 +580,14 @@ void Paragraph::Pimpl::simpleTeXSpecialChars(Buffer const * buf,
                        for (int j = 0; j < tmp; ++j) {
                                texrow.newline();
                        }
-                       texrow.start(owner_, i + 1);
+                       texrow.start(owner_->id(), i + 1);
                        column = 0;
                } else {
-                       column += int(os.tellp()) - len;
+                       column += os.tellp() - len;
                }
        }
        break;
 
-       case Paragraph::META_NEWLINE:
-               if (open_font) {
-                       column += running_font.latexWriteEndChanges(os,
-                                                                   basefont,
-                                                                   basefont);
-                       open_font = false;
-               }
-               basefont = owner_->getLayoutFont(bparams);
-               running_font = basefont;
-               break;
-
-       case Paragraph::META_HFILL:
-               os << "\\hfill{}";
-               column += 7;
-               break;
-
        default:
                // And now for the special cases within each mode
 
@@ -598,9 +603,9 @@ void Paragraph::Pimpl::simpleTeXSpecialChars(Buffer const * buf,
                        if ((bparams.inputenc == "latin1" ||
                             bparams.inputenc == "latin9") ||
                            (bparams.inputenc == "auto" &&
-                            (font.language()->encoding()->LatexName()
+                            (font.language()->encoding()->latexName()
                              == "latin1" ||
-                             font.language()->encoding()->LatexName()
+                             font.language()->encoding()->latexName()
                              == "latin9"))) {
                                os << "\\ensuremath{"
                                   << c
@@ -694,7 +699,7 @@ void Paragraph::Pimpl::simpleTeXSpecialChars(Buffer const * buf,
                        column += 17;
                        break;
 
-               case '*': case '[': case ']':
+               case '*': case '[':
                        // avoid being mistaken for optional arguments
                        os << '{' << c << '}';
                        column += 2;
@@ -746,37 +751,12 @@ void Paragraph::Pimpl::simpleTeXSpecialChars(Buffer const * buf,
 }
 
 
-
-Paragraph * Paragraph::Pimpl::TeXDeeper(Buffer const * buf,
-                                       BufferParams const & bparams,
-                                       ostream & os, TexRow & texrow)
-{
-       lyxerr[Debug::LATEX] << "TeXDeeper...     " << this << endl;
-       Paragraph * par = owner_;
-
-       while (par && par->params().depth() == owner_->params().depth()) {
-               if (par->layout()->isEnvironment()) {
-                       par = par->TeXEnvironment(buf, bparams,
-                                                 os, texrow);
-               } else {
-                       par = par->TeXOnePar(buf, bparams,
-                                            os, texrow, false);
-               }
-       }
-       lyxerr[Debug::LATEX] << "TeXDeeper...done " << par << endl;
-
-       return par;
-}
-
-
 void Paragraph::Pimpl::validate(LaTeXFeatures & features,
                                LyXLayout const & layout) const
 {
        BufferParams const & bparams = features.bufferParams();
 
        // check the params.
-       if (params.lineTop() || params.lineBottom())
-               features.require("lyxline");
        if (!params.spacing().isDefault())
                features.require("setspace");
 
@@ -829,13 +809,13 @@ void Paragraph::Pimpl::validate(LaTeXFeatures & features,
                features.require("ParagraphLeftIndent");
 
        // then the insets
-       InsetList::iterator icit = owner_->insetlist.begin();
-       InsetList::iterator iend = owner_->insetlist.end();
+       InsetList::const_iterator icit = owner_->insetlist.begin();
+       InsetList::const_iterator iend = owner_->insetlist.end();
        for (; icit != iend; ++icit) {
-               if (icit.getInset()) {
-                       icit.getInset()->validate(features);
+               if (icit->inset) {
+                       icit->inset->validate(features);
                        if (layout.needprotect &&
-                           icit.getInset()->lyxCode() == Inset::FOOT_CODE)
+                           icit->inset->lyxCode() == InsetBase::FOOT_CODE)
                                features.require("NeedLyXFootnoteCode");
                }
        }
@@ -851,39 +831,3 @@ void Paragraph::Pimpl::validate(LaTeXFeatures & features,
                }
        }
 }
-
-
-Paragraph * Paragraph::Pimpl::getParFromID(int id) const
-{
-       InsetList::iterator cit = owner_->insetlist.begin();
-       InsetList::iterator lend = owner_->insetlist.end();
-       Paragraph * result;
-       for (; cit != lend; ++cit) {
-               if ((result = cit.getInset()->getParFromID(id)))
-                       return result;
-       }
-       return 0;
-}
-
-
-LyXFont const Paragraph::Pimpl::realizeFont(LyXFont const & font,
-                                           BufferParams const & bparams) const
-{
-       LyXFont tmpfont(font);
-
-       // check for environment font information
-       char par_depth = owner_->getDepth();
-       Paragraph const * par = owner_;
-       LyXTextClass const & tclass = bparams.getLyXTextClass();
-
-       while (par && par->getDepth() && !tmpfont.resolved()) {
-               par = par->outerHook();
-               if (par) {
-                       tmpfont.realize(par->layout()->font);
-                       par_depth = par->getDepth();
-               }
-       }
-
-       tmpfont.realize(tclass.defaultfont());
-       return tmpfont;
-}