+
+
+void BufferView::scroll(int lines)
+{
+ pimpl_->scroll(lines);
+}
+
+
+int BufferView::defaultHeight() const
+{
+ return text->defaultHeight();
+}
+
+
+
+// Inserts a file into current document
+bool BufferView::insertLyXFile(string const & filen)
+ //
+ // Copyright CHT Software Service GmbH
+ // Uwe C. Schroeder
+ //
+ // Insert a LyXformat - file into current buffer
+ //
+ // Moved from lyx_cb.C (Lgb)
+{
+ if (filen.empty())
+ return false;
+
+ 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::err_alert(_("Error! Cannot open specified file:"),
+ MakeDisplayPath(fname, 50));
+ return false;
+ }
+
+ int const c = ifs.peek();
+
+ 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());
+ }
+
+ 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();
+ }
+
+ // restore the original cursor in its corrected location.
+ text->setCursorIntern(this, cursor_par, cursor_pos);
+
+ return found;
+}
+
+
+void BufferView::insertErrors(TeXErrors & terr)
+{
+ // 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());
+}
+
+
+void BufferView::setCursorFromRow(int row)
+{
+ int tmpid = -1;
+ int tmppos = -1;
+
+ buffer()->texrow.getIdFromRow(row, tmpid, tmppos);
+
+ Paragraph * texrowpar;
+
+ if (tmpid == -1) {
+ texrowpar = text->ownerParagraph();
+ tmppos = 0;
+ } else {
+ texrowpar = buffer()->getParFromID(tmpid);
+ }
+ text->setCursor(this, texrowpar, tmppos);
+}
+
+
+bool BufferView::insertInset(Inset * 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)
+{
+ 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()) {
+ beforeChange(text);
+ text->setCursor(this, it.getPar(), it.getPos());
+ text->selection.cursor = text->cursor;
+ update(text, BufferView::SELECT|BufferView::FITCUR);
+ return true;
+ }
+ }
+ return false;
+}
+
+
+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);
+ switchKeyMap();
+}
+
+
+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);
+ 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)
+{
+ if (!available()) {
+ value = 1;
+ return WordLangTuple();
+ }
+
+ return text->selectNextWordToSpellcheck(this, value);
+}
+
+
+void BufferView::selectLastWord()
+{
+ if (!available())
+ return;
+
+ LyXCursor cur = text->selection.cursor;
+ hideCursor();
+ beforeChange(text);
+ text->selection.cursor = cur;
+ text->selectSelectedWord(this);
+ toggleSelection(false);
+ update(text, BufferView::SELECT|BufferView::FITCUR);
+}
+
+
+void BufferView::endOfSpellCheck()
+{
+ if (!available()) return;
+
+ hideCursor();
+ beforeChange(text);
+ text->selectSelectedWord(this);
+ text->clearSelection();
+ update(text, BufferView::SELECT|BufferView::FITCUR);
+}
+
+
+void BufferView::replaceWord(string const & replacestring)
+{
+ if (!available())
+ 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->setSelectionRange(this, replacestring.length());
+
+ // Go back so that replacement string is also spellchecked
+ for (string::size_type i = 0; i < replacestring.length() + 1; ++i) {
+ tt->cursorLeft(this);
+ }
+ update(tt, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
+}
+// End of spellchecker stuff
+
+
+bool BufferView::lockInset(UpdatableInset * inset)
+{
+ if (!inset)
+ return false;
+ // don't relock if we're already locked
+ if (theLockingInset() == inset)
+ return true;
+ 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 (inset == in) {
+ theLockingInset(inset);
+ return true;
+ }
+ }
+ // Then do a deep look of the inset and lock the right one
+ int const id = inset->id();
+ ParagraphList::iterator pit = buffer()->paragraphs.begin();
+ ParagraphList::iterator pend = buffer()->paragraphs.end();
+ for (; pit != pend; ++pit) {
+ 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());
+ theLockingInset(inset);
+ return true;
+ }
+ if (it.getInset()->getInsetFromID(id)) {
+ text->setCursorIntern(this, &*pit, it.getPos());
+ it.getInset()->edit(this);
+ return theLockingInset()->lockInsetInInset(this, inset);
+ }
+ }
+ }
+ return false;
+ }
+ 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();
+ if (screen().fitManualCursor(this, text, x, y, asc, desc)) {
+ updateScrollbar();
+ return true;
+ }
+ }
+ return false;
+}
+
+
+int BufferView::unlockInset(UpdatableInset * inset)
+{
+ if (!inset)
+ return 0;
+ if (inset && theLockingInset() == inset) {
+ inset->insetUnlock(this);
+ theLockingInset(0);
+ // make sure we update the combo !
+ owner()->setLayout(getLyXText()->cursor.par()->layout()->name());
+ // Tell the paragraph dialog that we changed paragraph
+ owner()->getDialogs().updateParagraph();
+ finishUndo();
+ return 0;
+ } else if (inset && theLockingInset() &&
+ theLockingInset()->unlockInsetInInset(this, inset)) {
+ // Tell the paragraph dialog that we changed paragraph
+ owner()->getDialogs().updateParagraph();
+ // 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());
+}
+
+
+void BufferView::updateInset(Inset * inset, bool mark_dirty)
+{
+ pimpl_->updateInset(inset, mark_dirty);
+}
+
+
+bool BufferView::ChangeInsets(Inset::Code code,
+ string const & from, string const & to)
+{
+ bool need_update = false;
+ LyXCursor cursor = text->cursor;
+ LyXCursor tmpcursor = cursor;
+ cursor.par(tmpcursor.par());
+ cursor.pos(tmpcursor.pos());
+
+ 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());
+ if (inset->getContents() == from) {
+ inset->setContents(to);
+ changed_inset = true;
+ }
+ }
+ }
+ if (changed_inset) {
+ need_update = true;
+
+ // FIXME
+
+ // 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(this, 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();
+
+ 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);
+}
+
+
+UpdatableInset * BufferView::theLockingInset() const
+{
+ // If NULL is not allowed we should put an Assert here. (Lgb)
+ if (text)
+ return text->the_locking_inset;
+ return 0;
+}
+
+
+void BufferView::theLockingInset(UpdatableInset * inset)
+{
+ text->the_locking_inset = inset;
+}
+
+
+LyXText * BufferView::getLyXText() const
+{
+ if (theLockingInset()) {
+ LyXText * txt = theLockingInset()->getLyXText(this, true);
+ if (txt)
+ return txt;
+ }
+ return text;
+}
+
+
+LyXText * BufferView::getParentText(Inset * 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;
+}
+
+
+Language const * BufferView::getParentLanguage(Inset * inset) const
+{
+ LyXText * text = getParentText(inset);
+ return text->cursor.par()->getFontSettings(buffer()->params,
+ text->cursor.pos()).language();
+}
+
+
+Encoding const * BufferView::getEncoding() const
+{
+ LyXText * t = getLyXText();
+ if (!t)
+ return 0;
+
+ LyXCursor const & c= t->cursor;
+ LyXFont const font = c.par()->getFont(buffer()->params, c.pos());
+ return font.language()->encoding();
+}
+
+
+void BufferView::haveSelection(bool sel)
+{
+ pimpl_->workarea().haveSelection(sel);
+}
+
+
+int BufferView::workHeight() const
+{
+ return pimpl_->workarea().workHeight();
+}