/**
* \file BufferView.C
- * Copyright 1995-2002 the LyX Team
- * Read the file COPYING
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
*
- * \author unknown
- * \author John Levon <moz@compsoc.man.ac.uk>
+ * \author Alfredo Braustein
+ * \author Lars Gullik Bjønnes
+ * \author John Levon
+ * \author André Pönitz
+ * \author Jürgen Vigna
+ *
+ * Full author contact details are available in file CREDITS.
*/
#include <config.h>
-#ifdef __GNUG__
-#pragma implementation
-#endif
-
#include "BufferView.h"
#include "BufferView_pimpl.h"
-#include "BufferView_pimpl.h"
#include "LaTeX.h"
+#include "ParagraphParameters.h"
#include "WordLangTuple.h"
#include "buffer.h"
#include "bufferlist.h"
#include "debug.h"
#include "gettext.h"
+#include "errorlist.h"
+#include "funcrequest.h"
#include "iterators.h"
#include "language.h"
#include "lyxcursor.h"
#include "lyxlex.h"
#include "lyxtext.h"
#include "undo_funcs.h"
+#include "changes.h"
+#include "paragraph_funcs.h"
#include "frontends/Alert.h"
#include "frontends/Dialogs.h"
#include "frontends/screen.h"
#include "insets/insetcommand.h" // ChangeRefs
-#include "insets/inseterror.h"
+#include "insets/updatableinset.h"
#include "support/FileInfo.h"
#include "support/filetools.h"
-#include "support/lyxfunctional.h" // equal_1st_in_pair
#include "support/types.h"
#include "support/lyxalgo.h" // lyx_count
+#include "support/LAssert.h"
#include <fstream>
extern BufferList bufferlist;
using lyx::pos_type;
+using namespace lyx::support;
using std::pair;
using std::endl;
}
-void BufferView::resize()
+bool BufferView::newFile(string const & fn, string const & tn, bool named)
{
- if (pimpl_->buffer_) {
- pimpl_->resizeCurrentBuffer();
- }
+ return pimpl_->newFile(fn, tn, named);
}
-void BufferView::repaint()
+bool BufferView::loadLyXFile(string const & fn, bool tl)
{
- pimpl_->repaint();
+ return pimpl_->loadLyXFile(fn, tl);
+}
+
+
+void BufferView::reload()
+{
+ string const fn = buffer()->fileName();
+ if (bufferlist.close(buffer(), false))
+ loadLyXFile(fn);
+}
+
+
+void BufferView::resize()
+{
+ if (pimpl_->buffer_)
+ pimpl_->resizeCurrentBuffer();
}
}
+Change const BufferView::getCurrentChange()
+{
+ return pimpl_->getCurrentChange();
+}
+
+
void BufferView::beforeChange(LyXText * text)
{
pimpl_->beforeChange(text);
}
-void BufferView::update(LyXText * text, UpdateCodes f)
-{
- pimpl_->update(text, f);
-}
-
-
void BufferView::switchKeyMap()
{
pimpl_->switchKeyMap();
}
-void BufferView::showCursor()
-{
- pimpl_->showCursor();
-}
-
-
-void BufferView::hideCursor()
-{
- pimpl_->hideCursor();
-}
-
-
-void BufferView::toggleSelection(bool b)
+void BufferView::center()
{
- pimpl_->toggleSelection(b);
+ pimpl_->center();
}
-void BufferView::toggleToggle()
+int BufferView::top_y() const
{
- pimpl_->toggleToggle();
+ return pimpl_->top_y();
}
-void BufferView::center()
+void BufferView::top_y(int y)
{
- pimpl_->center();
+ pimpl_->top_y(y);
}
}
-BufferView::UpdateCodes operator|(BufferView::UpdateCodes uc1,
- BufferView::UpdateCodes uc2)
-{
- return static_cast<BufferView::UpdateCodes>
- (static_cast<int>(uc1) | static_cast<int>(uc2));
-}
-
-
bool BufferView::dispatch(FuncRequest const & ev)
{
return pimpl_->dispatch(ev);
}
-int BufferView::defaultHeight() const
-{
- return text->defaultHeight();
-}
-
-
-
// Inserts a file into current document
bool BufferView::insertLyXFile(string const & filen)
//
//
// Moved from lyx_cb.C (Lgb)
{
- if (filen.empty())
- return false;
+ Assert(!filen.empty());
string const fname = MakeAbsPath(filen);
- // check if file exist
- FileInfo const fi(fname);
-
- if (!fi.readable()) {
- Alert::alert(_("Error!"),
- _("Specified file is unreadable: "),
- MakeDisplayPath(fname, 50));
- return false;
- }
-
beforeChange(text);
- ifstream ifs(fname.c_str());
- if (!ifs) {
- Alert::alert(_("Error!"),
- _("Cannot open specified file: "),
- MakeDisplayPath(fname, 50));
- return false;
- }
-
- int const c = ifs.peek();
+ text->breakParagraph(buffer()->paragraphs);
- LyXLex lex(0, 0);
- lex.setStream(ifs);
-
- bool res = true;
-
- if (c == '#') {
- lyxerr[Debug::INFO] << "Will insert file with header" << endl;
- res = buffer()->readFile(lex, fname, text->cursor.par());
- } else {
- lyxerr[Debug::INFO] << "Will insert file without header"
- << endl;
- res = buffer()->readLyXformat2(lex, text->cursor.par());
- }
+ bool res = buffer()->readFile(fname, text->cursor.par());
resize();
return res;
}
-bool BufferView::removeAutoInsets()
-{
- // keep track of which pos and par the cursor was on
- Paragraph * cursor_par = text->cursor.par();
- Paragraph * cursor_par_prev = cursor_par ? cursor_par->previous() : 0;
- Paragraph * cursor_par_next = cursor_par ? cursor_par->next() : 0;
- pos_type cursor_pos = text->cursor.pos();
-
- bool found = false;
-
- // Trap the deletion of the paragraph the cursor is in.
- // Iterate until we find a paragraph that won't be immediately deleted.
- // In reality this should mean we only execute the body of the while
- // loop once at most. However for safety we iterate rather than just
- // make this an if () conditional.
- while ((cursor_par_prev || cursor_par_next)
- && text->setCursor(this,
- cursor_par_prev ? cursor_par_prev : cursor_par_next,
- 0)) {
- // We just removed cursor_par so have to fix the "cursor"
- if (cursor_par_prev) {
- // '.' = cursor_par
- // a -> a.
- // .
- cursor_par = cursor_par_prev;
- cursor_pos = cursor_par->size();
- } else {
- // . -> .a
- // a
- cursor_par = cursor_par_next;
- cursor_pos = 0;
- }
- cursor_par_prev = cursor_par->previous();
- cursor_par_next = cursor_par->next();
- }
-
- // Iterate through the paragraphs removing autoDelete insets as we go.
- // If the paragraph ends up empty after all the autoDelete insets are
- // removed that paragraph will be removed by the next setCursor() call.
- ParIterator it = buffer()->par_iterator_begin();
- ParIterator end = buffer()->par_iterator_end();
- for (; it != end; ++it) {
- Paragraph * par = *it;
- Paragraph * par_prev = par ? par->previous() : 0;
- bool removed = false;
-
- if (text->setCursor(this, par, 0)
- && cursor_par == par_prev) {
- // The previous setCursor line was deleted and that
- // was the cursor_par line. This can only happen if an
- // error box was the sole item on cursor_par.
- // It is possible for cursor_par_prev to be stray if
- // the line it pointed to only had a error box on it
- // so we have to set it to a known correct value.
- // This is often the same value it already had.
- cursor_par_prev = par->previous();
- if (cursor_par_prev) {
- // '|' = par, '.' = cursor_par, 'E' = error box
- // First step below may occur before while{}
- // a |a a a a.
- // E -> .E -> |.E -> . -> |b
- // . b b |b
- // b
- cursor_par = cursor_par_prev;
- cursor_pos = cursor_par_prev->size();
- cursor_par_prev = cursor_par->previous();
- // cursor_par_next remains the same
- } else if (cursor_par_next) {
- // First step below may occur before while{}
- // .
- // E -> |.E -> |. -> . -> .|a
- // a a a |a
- cursor_par = cursor_par_next;
- cursor_pos = 0;
- // cursor_par_prev remains unset
- cursor_par_next = cursor_par->next();
- } else {
- // I can't find a way to trigger this
- // so it should be unreachable code
- // unless the buffer is corrupted.
- lyxerr << "BufferView::removeAutoInsets() is bad\n";
- }
- }
-
- InsetList::iterator pit = par->insetlist.begin();
- InsetList::iterator pend = par->insetlist.end();
-
- while (pit != pend) {
- if (pit.getInset()->autoDelete()) {
- removed = true;
- pos_type const pos = pit.getPos();
-
- par->erase(pos);
- // We just invalidated par's inset iterators so
- // we get the next valid iterator position
- pit = par->insetlist.insetIterator(pos);
- // and ensure we have a valid end iterator.
- pend = par->insetlist.end();
-
- if (cursor_par == par) {
- // update the saved cursor position
- if (cursor_pos > pos)
- --cursor_pos;
- }
- } else {
- ++pit;
- }
- }
- if (removed) {
- found = true;
- text->redoParagraph(this);
- }
- }
-
- // It is possible that the last line is empty if it was cursor_par
- // and/or only had an error inset on it. So we set the cursor to the
- // start of the doc to force its removal and ensure a valid saved cursor
- if (text->setCursor(this, text->ownerParagraph(), 0)
- && 0 == cursor_par_next) {
- cursor_par = cursor_par_prev;
- cursor_pos = cursor_par->size();
- } else if (cursor_pos > cursor_par->size()) {
- // Some C-Enter lines were removed by the setCursor call which
- // then invalidated cursor_pos. It could still be "wrong" because
- // the cursor may appear to have jumped but since we collapsed
- // some C-Enter lines this should be a reasonable compromise.
- cursor_pos = cursor_par->size();
+void BufferView::showErrorList(string const & action) const
+{
+ if (getErrorList().size()) {
+ string const title = bformat(_("LyX: %1$s errors (%2$s)"), action, buffer()->fileName());
+ owner()->getDialogs().show("errorlist", title);
+ pimpl_->errorlist_.clear();
}
-
- // restore the original cursor in its corrected location.
- text->setCursorIntern(this, cursor_par, cursor_pos);
-
- return found;
}
-void BufferView::insertErrors(TeXErrors & terr)
+ErrorList const &
+BufferView::getErrorList() const
{
- // Save the cursor position
- LyXCursor cursor = text->cursor;
-
- TeXErrors::Errors::const_iterator cit = terr.begin();
- TeXErrors::Errors::const_iterator end = terr.end();
- for (; cit != end; ++cit) {
- string const desctext(cit->error_desc);
- string const errortext(cit->error_text);
- string const msgtxt = desctext + '\n' + errortext;
- int const errorrow = cit->error_in_line;
-
- // Insert error string for row number
- int tmpid = -1;
- int tmppos = -1;
-
- if (buffer()->texrow.getIdFromRow(errorrow, tmpid, tmppos)) {
- buffer()->texrow.increasePos(tmpid, tmppos);
- }
-
- Paragraph * texrowpar = 0;
-
- if (tmpid == -1) {
- texrowpar = text->ownerParagraph();
- tmppos = 0;
- } else {
- texrowpar = buffer()->getParFromID(tmpid);
- }
-
- if (texrowpar == 0)
- continue;
-
- freezeUndo();
- InsetError * new_inset = new InsetError(msgtxt);
- text->setCursorIntern(this, texrowpar, tmppos);
- text->insertInset(this, new_inset);
- text->fullRebreak(this);
- unFreezeUndo();
- }
- // Restore the cursor position
- text->setCursorIntern(this, cursor.par(), cursor.pos());
+ return pimpl_->errorlist_;
}
buffer()->texrow.getIdFromRow(row, tmpid, tmppos);
- Paragraph * texrowpar;
+ ParagraphList::iterator texrowpar;
if (tmpid == -1) {
- texrowpar = text->ownerParagraph();
+ texrowpar = text->ownerParagraphs().begin();
tmppos = 0;
} else {
- texrowpar = buffer()->getParFromID(tmpid);
+ texrowpar = buffer()->getParFromID(tmpid).pit();
}
- text->setCursor(this, texrowpar, tmppos);
+ text->setCursor(texrowpar, tmppos);
}
-bool BufferView::insertInset(Inset * inset, string const & lout)
+bool BufferView::insertInset(InsetOld * inset, string const & lout)
{
return pimpl_->insertInset(inset, lout);
}
-// This is also a buffer property (ale)
-// Not so sure about that. a goto Label function can not be buffer local, just
-// think how this will work in a multiwindow/buffer environment, all the
-// cursors in all the views showing this buffer will move. (Lgb)
-// OK, then no cursor action should be allowed in buffer. (ale)
-bool BufferView::gotoLabel(string const & label)
+void BufferView::gotoLabel(string const & label)
{
for (Buffer::inset_iterator it = buffer()->inset_iterator_begin();
it != buffer()->inset_iterator_end(); ++it) {
- vector<string> labels = it->getLabelList();
- if (find(labels.begin(),labels.end(),label)
- != labels.end()) {
+ vector<string> labels;
+ it->getLabelList(labels);
+ if (find(labels.begin(),labels.end(),label) != labels.end()) {
beforeChange(text);
- text->setCursor(this, it.getPar(), it.getPos());
+ text->setCursor(it.getPar(), it.getPos());
text->selection.cursor = text->cursor;
- update(text, BufferView::SELECT|BufferView::FITCUR);
- return true;
+ update();
+ return;
}
}
- return false;
}
-void BufferView::menuUndo()
+void BufferView::undo()
{
if (!available())
return;
owner()->message(_("Undo"));
- hideCursor();
beforeChange(text);
- update(text, BufferView::SELECT|BufferView::FITCUR);
if (!textUndo(this))
owner()->message(_("No further undo information"));
- else
- update(text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
+ update();
switchKeyMap();
}
-void BufferView::menuRedo()
+void BufferView::redo()
{
if (!available())
return;
owner()->message(_("Redo"));
- hideCursor();
beforeChange(text);
- update(text, BufferView::SELECT|BufferView::FITCUR);
if (!textRedo(this))
owner()->message(_("No further redo information"));
- else
- update(text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
+ update();
switchKeyMap();
}
-void BufferView::copyEnvironment()
-{
- if (available()) {
- text->copyEnvironmentType();
- owner()->message(_("Paragraph environment type copied"));
- }
-}
-
-
-void BufferView::pasteEnvironment()
-{
- if (available()) {
- text->pasteEnvironmentType(this);
- owner()->message(_("Paragraph environment type set"));
- update(text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
- }
-}
-
-
// these functions are for the spellchecker
WordLangTuple const BufferView::nextWord(float & value)
{
return WordLangTuple();
}
- return text->selectNextWordToSpellcheck(this, value);
+ return text->selectNextWordToSpellcheck(value);
}
return;
LyXCursor cur = text->selection.cursor;
- hideCursor();
beforeChange(text);
text->selection.cursor = cur;
- text->selectSelectedWord(this);
- toggleSelection(false);
- update(text, BufferView::SELECT|BufferView::FITCUR);
+ text->selectSelectedWord();
+ update();
}
{
if (!available()) return;
- hideCursor();
beforeChange(text);
- text->selectSelectedWord(this);
+ text->selectSelectedWord();
text->clearSelection();
- update(text, BufferView::SELECT|BufferView::FITCUR);
+ update();
}
return;
LyXText * tt = getLyXText();
- hideCursor();
- update(tt, BufferView::SELECT|BufferView::FITCUR);
-
- // clear the selection (if there is any)
- toggleSelection(false);
- update(tt, BufferView::SELECT|BufferView::FITCUR);
-
- // clear the selection (if there is any)
- toggleSelection(false);
- tt->replaceSelectionWithString(this, replacestring);
- tt->setSelectionOverString(this, replacestring);
+ tt->replaceSelectionWithString(replacestring);
+ tt->setSelectionRange(replacestring.length());
// Go back so that replacement string is also spellchecked
- for (string::size_type i = 0; i < replacestring.length() + 1; ++i) {
+ for (string::size_type i = 0; i < replacestring.length() + 1; ++i)
tt->cursorLeft(this);
- }
- update(tt, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
+
+ // FIXME: should be done through LFUN
+ buffer()->markDirty();
+ update();
}
-// End of spellchecker stuff
bool BufferView::lockInset(UpdatableInset * inset)
if (!theLockingInset()) {
// first check if it's the inset under the cursor we want lock
// should be most of the time
- char const c = text->cursor.par()->getChar(text->cursor.pos());
- if (c == Paragraph::META_INSET) {
- Inset * in = text->cursor.par()->getInset(text->cursor.pos());
+ if (text->cursor.pos() < text->cursor.par()->size()
+ && text->cursor.par()->getChar(text->cursor.pos()) ==
+ Paragraph::META_INSET) {
+ InsetOld * in = text->cursor.par()->getInset(text->cursor.pos());
if (inset == in) {
theLockingInset(inset);
return true;
InsetList::iterator it = pit->insetlist.begin();
InsetList::iterator end = pit->insetlist.end();
for (; it != end; ++it) {
- if (it.getInset() == inset) {
- text->setCursorIntern(this, &*pit, it.getPos());
+ if (it->inset == inset) {
+ text->setCursorIntern(pit, it->pos);
theLockingInset(inset);
return true;
}
- if (it.getInset()->getInsetFromID(id)) {
- text->setCursorIntern(this, &*pit, it.getPos());
- it.getInset()->edit(this);
+ if (it->inset->getInsetFromID(id)) {
+ text->setCursorIntern(pit, it->pos);
+ FuncRequest cmd(this, LFUN_INSET_EDIT, "left");
+ it->inset->localDispatch(cmd);
return theLockingInset()->lockInsetInInset(this, inset);
}
}
}
-void BufferView::showLockedInsetCursor(int x, int y, int asc, int desc)
-{
- if (available() && theLockingInset() && !theLockingInset()->nodraw()) {
- LyXCursor cursor = text->cursor;
- Inset * locking_inset = theLockingInset()->getLockingInset();
-
- if ((cursor.pos() - 1 >= 0) &&
- cursor.par()->isInset(cursor.pos() - 1) &&
- (cursor.par()->getInset(cursor.pos() - 1) ==
- locking_inset))
- text->setCursor(this, cursor,
- cursor.par(), cursor.pos() - 1);
- LyXScreen::Cursor_Shape shape = LyXScreen::BAR_SHAPE;
- LyXText * txt = getLyXText();
- if (locking_inset->isTextInset() &&
- locking_inset->lyxCode() != Inset::ERT_CODE &&
- (txt->real_current_font.language() !=
- buffer()->params.language
- || txt->real_current_font.isVisibleRightToLeft()
- != buffer()->params.language->RightToLeft()))
- shape = (txt->real_current_font.isVisibleRightToLeft())
- ? LyXScreen::REVERSED_L_SHAPE
- : LyXScreen::L_SHAPE;
- y += cursor.iy() + theLockingInset()->insetInInsetY();
- screen().showManualCursor(text, x, y, asc, desc,
- shape);
- }
-}
-
-
-void BufferView::hideLockedInsetCursor()
-{
- if (theLockingInset() && available()) {
- screen().hideCursor();
- }
-}
-
-
bool BufferView::fitLockedInsetCursor(int x, int y, int asc, int desc)
{
if (theLockingInset() && available()) {
- y += text->cursor.iy() + theLockingInset()->insetInInsetY();
+ y += text->cursor.y() + theLockingInset()->insetInInsetY();
if (screen().fitManualCursor(this, text, x, y, asc, desc)) {
updateScrollbar();
return true;
}
+void BufferView::hideCursor()
+{
+ screen().hideCursor();
+}
+
+
int BufferView::unlockInset(UpdatableInset * inset)
{
if (!inset)
// make sure we update the combo !
owner()->setLayout(getLyXText()->cursor.par()->layout()->name());
// Tell the paragraph dialog that we changed paragraph
- owner()->getDialogs().updateParagraph();
+ dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
finishUndo();
return 0;
} else if (inset && theLockingInset() &&
theLockingInset()->unlockInsetInInset(this, inset)) {
// Tell the paragraph dialog that we changed paragraph
- owner()->getDialogs().updateParagraph();
+ dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
// owner inset has updated the layout combo
finishUndo();
return 0;
}
- return bufferlist.unlockInset(inset);
-}
-
-
-void BufferView::lockedInsetStoreUndo(Undo::undo_kind kind)
-{
- if (!theLockingInset())
- return; // shouldn't happen
- if (kind == Undo::EDIT) // in this case insets would not be stored!
- kind = Undo::FINISH;
- setUndo(this, kind,
- text->cursor.par(),
- text->cursor.par()->next());
+ return 1;
}
-void BufferView::updateInset(Inset * inset, bool mark_dirty)
+void BufferView::updateInset(InsetOld const * inset)
{
- pimpl_->updateInset(inset, mark_dirty);
+ pimpl_->updateInset(inset);
}
-bool BufferView::ChangeInsets(Inset::Code code,
+bool BufferView::ChangeInsets(InsetOld::Code code,
string const & from, string const & to)
{
bool need_update = false;
ParIterator end = buffer()->par_iterator_end();
for (ParIterator it = buffer()->par_iterator_begin();
it != end; ++it) {
- Paragraph * par = *it;
bool changed_inset = false;
- for (InsetList::iterator it2 = par->insetlist.begin();
- it2 != par->insetlist.end(); ++it2) {
- if (it2.getInset()->lyxCode() == code) {
- InsetCommand * inset = static_cast<InsetCommand *>(it2.getInset());
+ for (InsetList::iterator it2 = it->insetlist.begin();
+ it2 != it->insetlist.end(); ++it2) {
+ if (it2->inset->lyxCode() == code) {
+ InsetCommand * inset = static_cast<InsetCommand *>(it2->inset);
if (inset->getContents() == from) {
inset->setContents(to);
changed_inset = true;
// The test it.size()==1 was needed to prevent crashes.
// How to set the cursor corretly when it.size()>1 ??
if (it.size() == 1) {
- text->setCursorIntern(this, par, 0);
- text->redoParagraphs(this, text->cursor,
- text->cursor.par()->next());
- text->fullRebreak(this);
+ text->setCursorIntern(it.pit(), 0);
+ text->redoParagraph(text->cursor.par());
}
}
}
- text->setCursorIntern(this, cursor.par(), cursor.pos());
+ text->setCursorIntern(cursor.par(), cursor.pos());
return need_update;
}
bool BufferView::ChangeRefsIfUnique(string const & from, string const & to)
{
// Check if the label 'from' appears more than once
- vector<string> labels = buffer()->getLabelList();
+ vector<string> labels;
+ buffer()->getLabelList(labels);
if (lyx::count(labels.begin(), labels.end(), from) > 1)
return false;
- return ChangeInsets(Inset::REF_CODE, from, to);
-}
-
-
-bool BufferView::ChangeCitationsIfUnique(string const & from,
- string const & to)
-{
- typedef pair<string, string> StringPair;
-
- vector<StringPair> keys = buffer()->getBibkeyList();
- if (count_if(keys.begin(), keys.end(),
- lyx::equal_1st_in_pair<StringPair>(from))
- > 1)
- return false;
-
- return ChangeInsets(Inset::CITE_CODE, from, to);
+ return ChangeInsets(InsetOld::REF_CODE, from, to);
}
}
-LyXText * BufferView::getParentText(Inset * inset) const
+Language const * BufferView::getParentLanguage(InsetOld * inset) const
{
- if (inset->owner()) {
- LyXText * txt = inset->getLyXText(this);
- inset = inset->owner();
- while (inset && inset->getLyXText(this) == txt)
- inset = inset->owner();
- if (inset)
- return inset->getLyXText(this);
- }
- return text;
+ Paragraph const & par = ownerPar(*buffer(), inset);
+ return par.getFontSettings(buffer()->params,
+ par.getPositionOfInset(inset)).language();
}
-Language const * BufferView::getParentLanguage(Inset * inset) const
+Encoding const * BufferView::getEncoding() const
{
- LyXText * text = getParentText(inset);
- return text->cursor.par()->getFontSettings(buffer()->params,
- text->cursor.pos()).language();
+ LyXText * t = getLyXText();
+ if (!t)
+ return 0;
+
+ LyXCursor const & c = t->cursor;
+ LyXFont const font = c.par()->getFont(buffer()->params, c.pos(),
+ outerFont(c.par(), t->ownerParagraphs()));
+ return font.language()->encoding();
}