/**
* \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 Braunstein
+ * \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>
#include "BufferView.h"
-#include "BufferView_pimpl.h"
-#include "BufferView_pimpl.h"
-#include "LaTeX.h"
-#include "ParagraphParameters.h"
-#include "WordLangTuple.h"
#include "buffer.h"
+#include "buffer_funcs.h"
#include "bufferlist.h"
+#include "bufferparams.h"
+#include "coordcache.h"
+#include "CutAndPaste.h"
#include "debug.h"
+#include "dispatchresult.h"
+#include "errorlist.h"
+#include "factory.h"
+#include "FloatList.h"
+#include "funcrequest.h"
+#include "FuncStatus.h"
#include "gettext.h"
-#include "iterators.h"
+#include "intl.h"
+#include "insetiterator.h"
#include "language.h"
-#include "lyxcursor.h"
-#include "lyxlex.h"
+#include "LaTeXFeatures.h"
+#include "lyx_cb.h" // added for Dispatch functions
+#include "lyx_main.h"
+#include "lyxfind.h"
+#include "lyxfunc.h"
+#include "lyxlayout.h"
#include "lyxtext.h"
-#include "undo_funcs.h"
-#include "changes.h"
+#include "lyxtextclass.h"
+#include "lyxrc.h"
+#include "session.h"
+#include "paragraph.h"
+#include "paragraph_funcs.h"
+#include "ParagraphParameters.h"
+#include "pariterator.h"
+#include "texrow.h"
+#include "toc.h"
+#include "undo.h"
+#include "vspace.h"
+#include "WordLangTuple.h"
+#include "metricsinfo.h"
+
+#include "insets/insetbibtex.h"
+#include "insets/insetcommand.h" // ChangeRefs
+#include "insets/insetref.h"
+#include "insets/insettext.h"
#include "frontends/Alert.h"
-#include "frontends/Dialogs.h"
-#include "frontends/LyXView.h"
-#include "frontends/WorkArea.h"
-#include "frontends/screen.h"
+#include "frontends/FileDialog.h"
+#include "frontends/FontMetrics.h"
-#include "insets/insetcommand.h" // ChangeRefs
-#include "insets/inseterror.h"
-#include "insets/updatableinset.h"
+#include "graphics/Previews.h"
-#include "support/FileInfo.h"
+#include "support/convert.h"
+#include "support/filefilterlist.h"
#include "support/filetools.h"
-#include "support/lyxfunctional.h" // equal_1st_in_pair
+#include "support/package.h"
#include "support/types.h"
-#include "support/lyxalgo.h" // lyx_count
-#include "BoostFormat.h"
-#include <fstream>
+#include <boost/bind.hpp>
+#include <boost/current_function.hpp>
+
+#include <functional>
+#include <vector>
-extern BufferList bufferlist;
-using lyx::pos_type;
+namespace lyx {
-using std::pair;
+using support::addPath;
+using support::bformat;
+using support::FileFilterList;
+using support::fileSearch;
+using support::isDirWriteable;
+using support::makeDisplayPath;
+using support::makeAbsPath;
+using support::package;
+
+using std::distance;
using std::endl;
-using std::ifstream;
+using std::istringstream;
+using std::make_pair;
+using std::min;
+using std::max;
+using std::mem_fun_ref;
+using std::string;
using std::vector;
-using std::find;
-using std::count_if;
+namespace Alert = frontend::Alert;
+
+namespace {
-BufferView::BufferView(LyXView * owner, int xpos, int ypos,
- int width, int height)
- : pimpl_(new Pimpl(this, owner, xpos, ypos, width, height))
+/// Return an inset of this class if it exists at the current cursor position
+template <class T>
+T * getInsetByCode(LCursor & cur, InsetBase::Code code)
{
- text = 0;
+ T * inset = 0;
+ DocIterator it = cur;
+ if (it.nextInset() &&
+ it.nextInset()->lyxCode() == code) {
+ inset = static_cast<T*>(it.nextInset());
+ }
+ return inset;
}
+} // anon namespace
-BufferView::~BufferView()
+
+BufferView::BufferView()
+ : width_(0), height_(0), buffer_(0), wh_(0),
+ cursor_(*this),
+ multiparsel_cache_(false), anchor_ref_(0), offset_ref_(0),
+ intl_(new Intl)
{
- delete text;
- delete pimpl_;
+ xsel_cache_.set = false;
+ intl_->initKeyMapper(lyxrc.use_kbmap);
}
-Buffer * BufferView::buffer() const
+BufferView::~BufferView()
{
- return pimpl_->buffer_;
}
-LyXScreen & BufferView::screen() const
+Buffer * BufferView::buffer() const
{
- return pimpl_->screen();
+ return buffer_;
}
-LyXView * BufferView::owner() const
+void BufferView::setBuffer(Buffer * b)
{
- return pimpl_->owner_;
-}
+ lyxerr[Debug::INFO] << BOOST_CURRENT_FUNCTION
+ << "[ b = " << b << "]" << endl;
+ if (buffer_) {
+ // Save the actual cursor position and anchor inside the
+ // buffer so that it can be restored in case we rechange
+ // to this buffer later on.
+ buffer_->saveCursor(cursor_.selectionBegin(),
+ cursor_.selectionEnd());
+ // current buffer is going to be switched-off, save cursor pos
+ LyX::ref().session().lastFilePos().save(buffer_->fileName(),
+ boost::tie(cursor_.pit(), cursor_.pos()) );
+ }
-Painter & BufferView::painter() const
-{
- return pimpl_->painter();
-}
+ // If we're quitting lyx, don't bother updating stuff
+ if (quitting) {
+ buffer_ = 0;
+ return;
+ }
+ // If we are closing current buffer, switch to the first in
+ // buffer list.
+ if (!b) {
+ lyxerr[Debug::INFO] << BOOST_CURRENT_FUNCTION
+ << " No Buffer!" << endl;
+ // We are closing the buffer, use the first buffer as current
+ buffer_ = theBufferList().first();
+ } else {
+ // Set current buffer
+ buffer_ = b;
+ }
-void BufferView::buffer(Buffer * b)
-{
- pimpl_->buffer(b);
-}
+ // Reset old cursor
+ cursor_ = LCursor(*this);
+ anchor_ref_ = 0;
+ offset_ref_ = 0;
+
+ if (buffer_) {
+ lyxerr[Debug::INFO] << BOOST_CURRENT_FUNCTION
+ << "Buffer addr: " << buffer_ << endl;
+ cursor_.push(buffer_->inset());
+ cursor_.resetAnchor();
+ buffer_->text().init(this);
+ buffer_->text().setCurrentFont(cursor_);
+ if (buffer_->getCursor().size() > 0 &&
+ buffer_->getAnchor().size() > 0)
+ {
+ cursor_.setCursor(buffer_->getAnchor().asDocIterator(&(buffer_->inset())));
+ cursor_.resetAnchor();
+ cursor_.setCursor(buffer_->getCursor().asDocIterator(&(buffer_->inset())));
+ cursor_.setSelection();
+ }
+ }
+ update();
-void BufferView::reload()
-{
- string const fn = buffer()->fileName();
- if (bufferlist.close(buffer(), false))
- buffer(bufferlist.loadLyXFile(fn));
+ if (buffer_ && graphics::Previews::status() != LyXRC::PREVIEW_OFF)
+ graphics::Previews::get().generateBufferPreviews(*buffer_);
}
-void BufferView::resize()
+bool BufferView::loadLyXFile(string const & filename, bool tolastfiles)
{
- if (pimpl_->buffer_) {
- pimpl_->resizeCurrentBuffer();
+ // Get absolute path of file and add ".lyx"
+ // to the filename if necessary
+ string s = fileSearch(string(), filename, "lyx");
+
+ bool const found = !s.empty();
+
+ if (!found)
+ s = filename;
+
+ // File already open?
+ if (theBufferList().exists(s)) {
+ docstring const file = makeDisplayPath(s, 20);
+ docstring text = bformat(_("The document %1$s is already "
+ "loaded.\n\nDo you want to revert "
+ "to the saved version?"), file);
+ int const ret = Alert::prompt(_("Revert to saved document?"),
+ text, 0, 1, _("&Revert"), _("&Switch to document"));
+
+ if (ret != 0) {
+ setBuffer(theBufferList().getBuffer(s));
+ return true;
+ }
+ // FIXME: should be LFUN_REVERT
+ if (!theBufferList().close(theBufferList().getBuffer(s), false))
+ return false;
+ // Fall through to new load. (Asger)
+ buffer_ = 0;
}
-}
+ Buffer * b = 0;
-void BufferView::repaint()
-{
- pimpl_->repaint();
-}
+ if (found) {
+ b = theBufferList().newBuffer(s);
+ if (!lyx::loadLyXFile(b, s)) {
+ theBufferList().release(b);
+ return false;
+ }
+ } else {
+ docstring text = bformat(_("The document %1$s does not yet "
+ "exist.\n\nDo you want to create "
+ "a new document?"), from_utf8(s));
+ int const ret = Alert::prompt(_("Create new document?"),
+ text, 0, 1, _("&Create"), _("Cancel"));
+
+ if (ret == 0) {
+ b = newFile(s, string(), true);
+ if (!b)
+ return false;
+ } else
+ return false;
+ }
+
+ setBuffer(b);
+ // Send the "errors" signal in case of parsing errors
+ b->errors("Parse");
+
+ // scroll to the position when the file was last closed
+ if (lyxrc.use_lastfilepos) {
+ pit_type pit;
+ pos_type pos;
+ boost::tie(pit, pos) = LyX::ref().session().lastFilePos().load(s);
+ // I am not sure how to separate the following part to a function
+ // so I will leave this to Lars.
+ //
+ // check pit since the document may be externally changed.
+ if ( static_cast<size_t>(pit) < b->paragraphs().size() ) {
+ ParIterator it = b->par_iterator_begin();
+ ParIterator const end = b->par_iterator_end();
+ for (; it != end; ++it)
+ if (it.pit() == pit) {
+ // restored pos may be bigger than it->size
+ setCursor(makeDocIterator(it, min(pos, it->size())));
+ update(Update::FitCursor);
+ break;
+ }
+ }
+ }
+ if (tolastfiles)
+ LyX::ref().session().lastFiles().add(b->fileName());
-bool BufferView::fitCursor()
-{
- return pimpl_->fitCursor();
+ return true;
}
-void BufferView::update()
+void BufferView::reload()
{
- pimpl_->update();
+ string const fn = buffer_->fileName();
+ if (theBufferList().close(buffer_, false))
+ loadLyXFile(fn);
}
-void BufferView::updateScrollbar()
+void BufferView::resize()
{
- pimpl_->updateScrollbar();
-}
+ if (!buffer_)
+ return;
+ lyxerr[Debug::DEBUG] << BOOST_CURRENT_FUNCTION << endl;
-void BufferView::scrollDocView(int value)
-{
- pimpl_->scrollDocView(value);
+ buffer_->text().init(this);
+ update();
+ switchKeyMap();
}
-void BufferView::redoCurrentBuffer()
+bool BufferView::fitCursor()
{
- pimpl_->redoCurrentBuffer();
+ if (bv_funcs::status(this, cursor_) == bv_funcs::CUR_INSIDE) {
+ frontend::FontMetrics const & fm =
+ theFontMetrics(cursor_.getFont());
+ int const asc = fm.maxAscent();
+ int const des = fm.maxDescent();
+ Point const p = bv_funcs::getPos(*this, cursor_, cursor_.boundary());
+ if (p.y_ - asc >= 0 && p.y_ + des < height_)
+ return false;
+ }
+ center();
+ return true;
}
-bool BufferView::available() const
+bool BufferView::multiParSel()
{
- return pimpl_->available();
+ if (!cursor_.selection())
+ return false;
+ bool ret = multiparsel_cache_;
+ multiparsel_cache_ = cursor_.selBegin().pit() != cursor_.selEnd().pit();
+ // Either this, or previous selection spans paragraphs
+ return ret || multiparsel_cache_;
}
-Change const BufferView::getCurrentChange()
+std::pair<bool, bool> BufferView::update(Update::flags flags)
{
- return pimpl_->getCurrentChange();
-}
+ // This is close to a hot-path.
+ if (lyxerr.debugging(Debug::DEBUG)) {
+ lyxerr[Debug::DEBUG]
+ << BOOST_CURRENT_FUNCTION
+ << "[fitcursor = " << (flags & Update::FitCursor)
+ << ", forceupdate = " << (flags & Update::Force)
+ << ", singlepar = " << (flags & Update::SinglePar)
+ << "] buffer: " << buffer_ << endl;
+ }
+ // Check needed to survive LyX startup
+ if (!buffer_)
+ return make_pair(false, false);
-void BufferView::beforeChange(LyXText * text)
-{
- pimpl_->beforeChange(text);
-}
+ if (lyxerr.debugging(Debug::WORKAREA)) {
+ lyxerr[Debug::WORKAREA] << "BufferView::update" << std::endl;
+ }
+ // Update macro store
+ buffer_->buildMacros();
-void BufferView::savePosition(unsigned int i)
-{
- pimpl_->savePosition(i);
-}
+ // Now do the first drawing step if needed. This consists on updating
+ // the CoordCache in updateMetrics().
+ // The second drawing step is done in WorkArea::redraw() if needed.
+ // Case when no explicit update is requested.
+ if (!(flags & (Update::SinglePar | Update::Force))) {
+ if (fitCursor() || multiParSel()) {
+ // a CoordCache update is needed
+ updateMetrics(false);
+ // tell the frontend to update the screen.
+ return make_pair(true, false);
+ }
+ // no need to do anything.
+ return make_pair(false, false);
+ }
-void BufferView::restorePosition(unsigned int i)
-{
- pimpl_->restorePosition(i);
-}
+ // We are now in the case (Update::SinglePar | Update::Force)
+ bool single_par = flags & Update::SinglePar;
+ updateMetrics(single_par);
+ // Don't forget to do check for fitCursor() and multiParSel().
+ fitCursor();
+ multiParSel();
-bool BufferView::isSavedPosition(unsigned int i)
-{
- return pimpl_->isSavedPosition(i);
+ return make_pair(true, single_par);
}
-void BufferView::update(LyXText * text, UpdateCodes f)
+void BufferView::updateScrollbar()
{
- pimpl_->update(text, f);
-}
+ if (!buffer_) {
+ lyxerr[Debug::DEBUG] << BOOST_CURRENT_FUNCTION
+ << " no text in updateScrollbar" << endl;
+ scrollbarParameters_.reset();
+ return;
+ }
+ LyXText & t = buffer_->text();
+ int const parsize = int(t.paragraphs().size() - 1);
+ if (anchor_ref_ > parsize) {
+ anchor_ref_ = parsize;
+ offset_ref_ = 0;
+ }
-void BufferView::update(UpdateCodes f)
-{
- pimpl_->update(f);
-}
+ if (lyxerr.debugging(Debug::GUI)) {
+ lyxerr[Debug::GUI]
+ << BOOST_CURRENT_FUNCTION
+ << " Updating scrollbar: height: " << t.paragraphs().size()
+ << " curr par: " << cursor_.bottom().pit()
+ << " default height " << defaultRowHeight() << endl;
+ }
+ // It would be better to fix the scrollbar to understand
+ // values in [0..1] and divide everything by wh
-void BufferView::switchKeyMap()
-{
- pimpl_->switchKeyMap();
-}
+ // estimated average paragraph height:
+ if (wh_ == 0)
+ wh_ = height_ / 4;
+ int h = t.getPar(anchor_ref_).height();
+ // Normalize anchor/offset (MV):
+ while (offset_ref_ > h && anchor_ref_ < parsize) {
+ anchor_ref_++;
+ offset_ref_ -= h;
+ h = t.getPar(anchor_ref_).height();
+ }
+ // Look at paragraph heights on-screen
+ int sumh = 0;
+ int nh = 0;
+ for (pit_type pit = anchor_ref_; pit <= parsize; ++pit) {
+ if (sumh > height_)
+ break;
+ int const h2 = t.getPar(pit).height();
+ sumh += h2;
+ nh++;
+ }
-void BufferView::insetUnlock()
-{
- pimpl_->insetUnlock();
+ BOOST_ASSERT(nh);
+ int const hav = sumh / nh;
+ // More realistic average paragraph height
+ if (hav > wh_)
+ wh_ = hav;
+
+ BOOST_ASSERT(h);
+ scrollbarParameters_.height = (parsize + 1) * wh_;
+ scrollbarParameters_.position = anchor_ref_ * wh_ + int(offset_ref_ * wh_ / float(h));
+ scrollbarParameters_.lineScrollHeight = int(wh_ * defaultRowHeight() / float(h));
}
-int BufferView::workWidth() const
+ScrollbarParameters const & BufferView::scrollbarParameters() const
{
- return pimpl_->workarea().workWidth();
+ return scrollbarParameters_;
}
-void BufferView::showCursor()
+void BufferView::scrollDocView(int value)
{
- pimpl_->showCursor();
-}
+ lyxerr[Debug::GUI] << BOOST_CURRENT_FUNCTION
+ << "[ value = " << value << "]" << endl;
+ if (!buffer_)
+ return;
-void BufferView::hideCursor()
-{
- pimpl_->hideCursor();
-}
+ LyXText & t = buffer_->text();
+ float const bar = value / float(wh_ * t.paragraphs().size());
-void BufferView::toggleSelection(bool b)
-{
- pimpl_->toggleSelection(b);
+ anchor_ref_ = int(bar * t.paragraphs().size());
+ if (anchor_ref_ > int(t.paragraphs().size()) - 1)
+ anchor_ref_ = int(t.paragraphs().size()) - 1;
+ t.redoParagraph(*this, anchor_ref_);
+ int const h = t.getPar(anchor_ref_).height();
+ offset_ref_ = int((bar * t.paragraphs().size() - anchor_ref_) * h);
}
-void BufferView::toggleToggle()
+void BufferView::setCursorFromScrollbar()
{
- pimpl_->toggleToggle();
-}
+ LyXText & t = buffer_->text();
+ int const height = 2 * defaultRowHeight();
+ int const first = height;
+ int const last = height_ - height;
+ LCursor & cur = cursor_;
-void BufferView::center()
-{
- pimpl_->center();
+ bv_funcs::CurStatus st = bv_funcs::status(this, cur);
+
+ switch (st) {
+ case bv_funcs::CUR_ABOVE:
+ t.setCursorFromCoordinates(cur, 0, first);
+ cur.clearSelection();
+ break;
+ case bv_funcs::CUR_BELOW:
+ t.setCursorFromCoordinates(cur, 0, last);
+ cur.clearSelection();
+ break;
+ case bv_funcs::CUR_INSIDE:
+ int const y = bv_funcs::getPos(*this, cur, cur.boundary()).y_;
+ int const newy = min(last, max(y, first));
+ if (y != newy) {
+ cur.reset(buffer_->inset());
+ t.setCursorFromCoordinates(cur, 0, newy);
+ }
+ }
}
-string const BufferView::getClipboard() const
+Change const BufferView::getCurrentChange() const
{
- return pimpl_->workarea().getClipboard();
+ if (!cursor_.selection())
+ return Change(Change::UNCHANGED);
+
+ DocIterator dit = cursor_.selectionBegin();
+ return dit.paragraph().lookupChange(dit.pos());
}
-void BufferView::stuffClipboard(string const & stuff) const
+void BufferView::saveBookmark(bool persistent)
{
- pimpl_->stuffClipboard(stuff);
+ LyX::ref().session().bookmarks().save(
+ buffer_->fileName(),
+ cursor_.paragraph().id(),
+ cursor_.pos(),
+ persistent
+ );
+ if (persistent)
+ // emit message signal.
+ message(_("Save bookmark"));
}
-BufferView::UpdateCodes operator|(BufferView::UpdateCodes uc1,
- BufferView::UpdateCodes uc2)
+void BufferView::moveToPosition(int par_id, pos_type par_pos)
{
- return static_cast<BufferView::UpdateCodes>
- (static_cast<int>(uc1) | static_cast<int>(uc2));
+ cursor_.clearSelection();
+
+ ParIterator par = buffer_->getParFromID(par_id);
+ if (par == buffer_->par_iterator_end())
+ return;
+
+ setCursor(makeDocIterator(par, min(par->size(), par_pos)));
}
-bool BufferView::dispatch(FuncRequest const & ev)
+void BufferView::switchKeyMap()
{
- return pimpl_->dispatch(ev);
+ if (!lyxrc.rtl_support)
+ return;
+
+ if (getLyXText()->real_current_font.isRightToLeft()) {
+ if (intl_->keymap == Intl::PRIMARY)
+ intl_->keyMapSec();
+ } else {
+ if (intl_->keymap == Intl::SECONDARY)
+ intl_->keyMapPrim();
+ }
}
-void BufferView::scroll(int lines)
+int BufferView::workWidth() const
{
- pimpl_->scroll(lines);
+ return width_;
}
-// 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)
+void BufferView::center()
{
- if (filen.empty())
- return false;
+ CursorSlice & bot = cursor_.bottom();
+ pit_type const pit = bot.pit();
+ bot.text()->redoParagraph(*this, pit);
+ Paragraph const & par = bot.text()->paragraphs()[pit];
+ anchor_ref_ = pit;
+ offset_ref_ = bv_funcs::coordOffset(*this, cursor_, cursor_.boundary()).y_
+ + par.ascent() - height_ / 2;
+}
+
+
+FuncStatus BufferView::getStatus(FuncRequest const & cmd)
+{
+ FuncStatus flag;
+
+ switch (cmd.action) {
+
+ case LFUN_UNDO:
+ flag.enabled(!buffer_->undostack().empty());
+ break;
+ case LFUN_REDO:
+ flag.enabled(!buffer_->redostack().empty());
+ break;
+ case LFUN_FILE_INSERT:
+ case LFUN_FILE_INSERT_ASCII_PARA:
+ case LFUN_FILE_INSERT_ASCII:
+ case LFUN_BOOKMARK_SAVE:
+ // FIXME: Actually, these LFUNS should be moved to LyXText
+ flag.enabled(cursor_.inTexted());
+ break;
+ case LFUN_FONT_STATE:
+ case LFUN_LABEL_INSERT:
+ case LFUN_PARAGRAPH_GOTO:
+ // FIXME handle non-trivially
+ case LFUN_OUTLINE_UP:
+ case LFUN_OUTLINE_DOWN:
+ case LFUN_OUTLINE_IN:
+ case LFUN_OUTLINE_OUT:
+ case LFUN_NOTE_NEXT:
+ case LFUN_REFERENCE_NEXT:
+ case LFUN_WORD_FIND:
+ case LFUN_WORD_REPLACE:
+ case LFUN_MARK_OFF:
+ case LFUN_MARK_ON:
+ case LFUN_MARK_TOGGLE:
+ case LFUN_SCREEN_RECENTER:
+ case LFUN_BIBTEX_DATABASE_ADD:
+ case LFUN_BIBTEX_DATABASE_DEL:
+ case LFUN_WORDS_COUNT:
+ case LFUN_NEXT_INSET_TOGGLE:
+ flag.enabled(true);
+ break;
+
+ case LFUN_LABEL_GOTO: {
+ flag.enabled(!cmd.argument().empty()
+ || getInsetByCode<InsetRef>(cursor_, InsetBase::REF_CODE));
+ break;
+ }
- string const fname = MakeAbsPath(filen);
+ case LFUN_CHANGES_TRACK:
+ flag.enabled(true);
+ flag.setOnOff(buffer_->params().trackChanges);
+ break;
+
+ case LFUN_CHANGES_OUTPUT: {
+ OutputParams runparams;
+ LaTeXFeatures features(*buffer_, buffer_->params(), runparams);
+ flag.enabled(buffer_ && features.isAvailable("dvipost"));
+ flag.setOnOff(buffer_->params().outputChanges);
+ break;
+ }
- // check if file exist
- FileInfo const fi(fname);
+ case LFUN_CHANGES_MERGE:
+ case LFUN_CHANGE_NEXT:
+ case LFUN_ALL_CHANGES_ACCEPT:
+ case LFUN_ALL_CHANGES_REJECT:
+ flag.enabled(buffer_); // FIXME: Change tracking (MG)
+ break;
- if (!fi.readable()) {
- string const file = MakeDisplayPath(fname, 50);
-#if USE_BOOST_FORMAT
- boost::format fmt(_("The specified document\n%1$s\ncould not be read."));
- fmt % file;
- string text = fmt.str();
-#else
- string text = _("The specified document\n");
- text += file + _(" could not be read.");
-#endif
- Alert::error(_("Could not read document"), text);
- return false;
+ case LFUN_BUFFER_TOGGLE_COMPRESSION: {
+ flag.setOnOff(buffer_->params().compressed);
+ break;
}
- beforeChange(text);
-
- ifstream ifs(fname.c_str());
- if (!ifs) {
- string const file = MakeDisplayPath(fname, 50);
-#if USE_BOOST_FORMAT
- boost::format fmt(_("Could not open the specified document\n%1$s."));
- fmt % file;
- string text = fmt.str();
-#else
- string text = _("Could not open the specified document\n");
- text += file + ".";
-#endif
- Alert::error(_("Could not open file"), text);
- return false;
+ default:
+ flag.enabled(false);
}
- int const c = ifs.peek();
+ return flag;
+}
- LyXLex lex(0, 0);
- lex.setStream(ifs);
- bool res = true;
+bool BufferView::dispatch(FuncRequest const & cmd)
+{
+ //lyxerr << BOOST_CURRENT_FUNCTION
+ // << [ cmd = " << cmd << "]" << endl;
- if (c == '#') {
- // FIXME: huh ? No we won't !
- lyxerr[Debug::INFO] << "Will insert file with header" << endl;
- res = buffer()->readFile(lex, fname, ParagraphList::iterator(text->cursor.par()));
- } else {
- lyxerr[Debug::INFO] << "Will insert file without header"
- << endl;
- res = buffer()->readBody(lex, ParagraphList::iterator(text->cursor.par()));
- }
+ // Make sure that the cached BufferView is correct.
+ lyxerr[Debug::ACTION] << BOOST_CURRENT_FUNCTION
+ << " action[" << cmd.action << ']'
+ << " arg[" << to_utf8(cmd.argument()) << ']'
+ << " x[" << cmd.x << ']'
+ << " y[" << cmd.y << ']'
+ << " button[" << cmd.button() << ']'
+ << endl;
- 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(
- 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;
+ LCursor & cur = cursor_;
+
+ switch (cmd.action) {
+
+ case LFUN_UNDO:
+ if (buffer_) {
+ cur.message(_("Undo"));
+ cur.clearSelection();
+ if (!textUndo(*this))
+ cur.message(_("No further undo information"));
+ update();
+ switchKeyMap();
}
- 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(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";
+ break;
+
+ case LFUN_REDO:
+ if (buffer_) {
+ cur.message(_("Redo"));
+ cur.clearSelection();
+ if (!textRedo(*this))
+ cur.message(_("No further redo information"));
+ update();
+ switchKeyMap();
+ }
+ break;
+
+ case LFUN_FILE_INSERT:
+ // FIXME: We don't know the encoding of filenames
+ menuInsertLyXFile(to_utf8(cmd.argument()));
+ break;
+
+ case LFUN_FILE_INSERT_ASCII_PARA:
+ // FIXME: We don't know the encoding of filenames
+ insertAsciiFile(this, to_utf8(cmd.argument()), true);
+ break;
+
+ case LFUN_FILE_INSERT_ASCII:
+ // FIXME: We don't know the encoding of filenames
+ insertAsciiFile(this, to_utf8(cmd.argument()), false);
+ break;
+
+ case LFUN_FONT_STATE:
+ cur.message(from_utf8(cur.currentState()));
+ break;
+
+ case LFUN_BOOKMARK_SAVE:
+ saveBookmark(convert<unsigned int>(to_utf8(cmd.argument())));
+ break;
+
+ case LFUN_LABEL_GOTO: {
+ docstring label = cmd.argument();
+ if (label.empty()) {
+ InsetRef * inset =
+ getInsetByCode<InsetRef>(cursor_,
+ InsetBase::REF_CODE);
+ if (inset) {
+ label = inset->getParam("reference");
+ // persistent=false: use temp_bookmark
+ saveBookmark(false);
}
}
- 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;
- }
+ if (!label.empty())
+ gotoLabel(label);
+ break;
+ }
+
+ case LFUN_PARAGRAPH_GOTO: {
+ int const id = convert<int>(to_utf8(cmd.argument()));
+ int i = 0;
+ for (Buffer * b = buffer_; i == 0 || b != buffer_; b = theBufferList().next(b)) {
+ ParIterator par = b->getParFromID(id);
+ if (par == b->par_iterator_end()) {
+ lyxerr[Debug::INFO]
+ << "No matching paragraph found! ["
+ << id << "]." << endl;
} else {
- ++pit;
+ lyxerr[Debug::INFO]
+ << "Paragraph " << par->id()
+ << " found in buffer `"
+ << b->fileName() << "'." << endl;
+
+ if (b == buffer_) {
+ // Set the cursor
+ setCursor(makeDocIterator(par, 0));
+ update();
+ switchKeyMap();
+ } else {
+ // Switch to other buffer view and resend cmd
+ theLyXFunc().dispatch(FuncRequest(
+ LFUN_BUFFER_SWITCH, b->fileName()));
+ theLyXFunc().dispatch(cmd);
+ }
+ break;
}
+ ++i;
}
- if (removed) {
- found = true;
- text->redoParagraph();
- }
+ break;
}
- // 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(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();
+ case LFUN_OUTLINE_UP:
+ toc::outline(toc::Up, cursor_);
+ cursor_.text()->setCursor(cursor_, cursor_.pit(), 0);
+ updateLabels(*buffer_);
+ break;
+ case LFUN_OUTLINE_DOWN:
+ toc::outline(toc::Down, cursor_);
+ cursor_.text()->setCursor(cursor_, cursor_.pit(), 0);
+ updateLabels(*buffer_);
+ break;
+ case LFUN_OUTLINE_IN:
+ toc::outline(toc::In, cursor_);
+ updateLabels(*buffer_);
+ break;
+ case LFUN_OUTLINE_OUT:
+ toc::outline(toc::Out, cursor_);
+ updateLabels(*buffer_);
+ break;
+
+ case LFUN_NOTE_NEXT:
+ bv_funcs::gotoInset(this, InsetBase::NOTE_CODE, false);
+ break;
+
+ case LFUN_REFERENCE_NEXT: {
+ vector<InsetBase_code> tmp;
+ tmp.push_back(InsetBase::LABEL_CODE);
+ tmp.push_back(InsetBase::REF_CODE);
+ bv_funcs::gotoInset(this, tmp, true);
+ break;
}
- // restore the original cursor in its corrected location.
- text->setCursorIntern(cursor_par, cursor_pos);
+ case LFUN_CHANGES_TRACK:
+ buffer_->params().trackChanges = !buffer_->params().trackChanges;
+ break;
- return found;
-}
+ case LFUN_CHANGES_OUTPUT: {
+ buffer_->params().outputChanges = !buffer_->params().outputChanges;
+ break;
+ }
+ case LFUN_CHANGE_NEXT:
+ findNextChange(this);
+ break;
-void BufferView::insertErrors(TeXErrors & terr)
-{
- // Save the cursor position
- LyXCursor cursor = text->cursor;
+ case LFUN_CHANGES_MERGE:
+ if (findNextChange(this))
+ showDialog("changes");
+ break;
- 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;
+ case LFUN_ALL_CHANGES_ACCEPT: {
+ cursor_.reset(buffer_->inset());
+#ifdef WITH_WARNINGS
+#warning FIXME changes
+#endif
+ while (findNextChange(this))
+ getLyXText()->acceptChange(cursor_);
+ update();
+ break;
+ }
- // Insert error string for row number
- int tmpid = -1;
- int tmppos = -1;
+ case LFUN_ALL_CHANGES_REJECT: {
+ cursor_.reset(buffer_->inset());
+#ifdef WITH_WARNINGS
+#warning FIXME changes
+#endif
+ while (findNextChange(this))
+ getLyXText()->rejectChange(cursor_);
+ break;
+ }
- if (buffer()->texrow.getIdFromRow(errorrow, tmpid, tmppos)) {
- buffer()->texrow.increasePos(tmpid, tmppos);
+ case LFUN_WORD_FIND:
+ find(this, cmd);
+ break;
+
+ case LFUN_WORD_REPLACE:
+ replace(this, cmd);
+ break;
+
+ case LFUN_MARK_OFF:
+ cur.clearSelection();
+ cur.resetAnchor();
+ cur.message(from_utf8(N_("Mark off")));
+ break;
+
+ case LFUN_MARK_ON:
+ cur.clearSelection();
+ cur.mark() = true;
+ cur.resetAnchor();
+ cur.message(from_utf8(N_("Mark on")));
+ break;
+
+ case LFUN_MARK_TOGGLE:
+ cur.clearSelection();
+ if (cur.mark()) {
+ cur.mark() = false;
+ cur.message(from_utf8(N_("Mark removed")));
+ } else {
+ cur.mark() = true;
+ cur.message(from_utf8(N_("Mark set")));
}
+ cur.resetAnchor();
+ break;
+
+ case LFUN_SCREEN_RECENTER:
+ center();
+ break;
+
+ case LFUN_BIBTEX_DATABASE_ADD: {
+ LCursor tmpcur = cursor_;
+ bv_funcs::findInset(tmpcur, InsetBase::BIBTEX_CODE, false);
+ InsetBibtex * inset = getInsetByCode<InsetBibtex>(tmpcur,
+ InsetBase::BIBTEX_CODE);
+ if (inset) {
+ if (inset->addDatabase(to_utf8(cmd.argument())))
+ buffer_->updateBibfilesCache();
+ }
+ break;
+ }
- Paragraph * texrowpar = 0;
+ case LFUN_BIBTEX_DATABASE_DEL: {
+ LCursor tmpcur = cursor_;
+ bv_funcs::findInset(tmpcur, InsetBase::BIBTEX_CODE, false);
+ InsetBibtex * inset = getInsetByCode<InsetBibtex>(tmpcur,
+ InsetBase::BIBTEX_CODE);
+ if (inset) {
+ if (inset->delDatabase(to_utf8(cmd.argument())))
+ buffer_->updateBibfilesCache();
+ }
+ break;
+ }
- if (tmpid == -1) {
- texrowpar = text->ownerParagraph();
- tmppos = 0;
+ case LFUN_WORDS_COUNT: {
+ DocIterator from, to;
+ if (cur.selection()) {
+ from = cur.selectionBegin();
+ to = cur.selectionEnd();
} else {
- texrowpar = buffer()->getParFromID(tmpid);
+ from = doc_iterator_begin(buffer_->inset());
+ to = doc_iterator_end(buffer_->inset());
+ }
+ int const count = countWords(from, to);
+ docstring message;
+ if (count != 1) {
+ if (cur.selection())
+ message = bformat(_("%1$d words in selection."),
+ count);
+ else
+ message = bformat(_("%1$d words in document."),
+ count);
+ }
+ else {
+ if (cur.selection())
+ message = _("One word in selection.");
+ else
+ message = _("One word in document.");
}
- if (texrowpar == 0)
- continue;
-
- freezeUndo();
- InsetError * new_inset = new InsetError(msgtxt);
- text->setCursorIntern(texrowpar, tmppos);
- text->insertInset(new_inset);
- text->fullRebreak();
- unFreezeUndo();
+ Alert::information(_("Count words"), message);
}
- // Restore the cursor position
- text->setCursorIntern(cursor.par(), cursor.pos());
-}
-
-
-void BufferView::setCursorFromRow(int row)
-{
- int tmpid = -1;
- int tmppos = -1;
-
- buffer()->texrow.getIdFromRow(row, tmpid, tmppos);
+ break;
+
+ case LFUN_BUFFER_TOGGLE_COMPRESSION:
+ // turn compression on/off
+ buffer_->params().compressed = !buffer_->params().compressed;
+ break;
+
+ case LFUN_NEXT_INSET_TOGGLE: {
+ // this is the real function we want to invoke
+ FuncRequest tmpcmd = FuncRequest(LFUN_INSET_TOGGLE, cmd.origin);
+ // if there is an inset at cursor, see whether it
+ // wants to toggle.
+ InsetBase * inset = cur.nextInset();
+ if (inset && inset->isActive()) {
+ LCursor tmpcur = cur;
+ tmpcur.pushLeft(*inset);
+ inset->dispatch(tmpcur, tmpcmd);
+ if (tmpcur.result().dispatched()) {
+ cur.dispatched();
+ }
+ }
+ // if it did not work, try the underlying inset.
+ if (!cur.result().dispatched())
+ cur.dispatch(tmpcmd);
- Paragraph * texrowpar;
+ if (cur.result().dispatched())
+ cur.clearSelection();
- if (tmpid == -1) {
- texrowpar = text->ownerParagraph();
- tmppos = 0;
- } else {
- texrowpar = buffer()->getParFromID(tmpid);
+ break;
}
- text->setCursor(texrowpar, tmppos);
-}
-
-
-bool BufferView::insertInset(Inset * inset, string const & lout)
-{
- return pimpl_->insertInset(inset, lout);
-}
-
-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()) {
- beforeChange(text);
- text->setCursor(it.getPar(), it.getPos());
- text->selection.cursor = text->cursor;
- update(text, BufferView::SELECT);
- return;
- }
+ default:
+ return false;
}
-}
-
-void BufferView::undo()
-{
- if (!available())
- return;
-
- owner()->message(_("Undo"));
- hideCursor();
- beforeChange(text);
- update(text, BufferView::SELECT);
- if (!textUndo(this))
- owner()->message(_("No further undo information"));
- else
- update(text, BufferView::SELECT);
- switchKeyMap();
+ return true;
}
-void BufferView::redo()
+docstring const BufferView::requestSelection()
{
- if (!available())
- return;
+ if (!buffer_)
+ return docstring();
- owner()->message(_("Redo"));
- hideCursor();
- beforeChange(text);
- update(text, BufferView::SELECT);
- if (!textRedo(this))
- owner()->message(_("No further redo information"));
- else
- update(text, BufferView::SELECT);
- switchKeyMap();
-}
+ LCursor & cur = cursor_;
+ if (!cur.selection()) {
+ xsel_cache_.set = false;
+ return docstring();
+ }
-void BufferView::copyEnvironment()
-{
- if (available()) {
- text->copyEnvironmentType();
- owner()->message(_("Paragraph environment type copied"));
+ if (!xsel_cache_.set ||
+ cur.top() != xsel_cache_.cursor ||
+ cur.anchor_.top() != xsel_cache_.anchor)
+ {
+ xsel_cache_.cursor = cur.top();
+ xsel_cache_.anchor = cur.anchor_.top();
+ xsel_cache_.set = cur.selection();
+ return cur.selectionAsString(false);
}
+ return docstring();
}
-void BufferView::pasteEnvironment()
+void BufferView::clearSelection()
{
- if (available()) {
- text->pasteEnvironmentType();
- owner()->message(_("Paragraph environment type set"));
- update(text, BufferView::SELECT);
+ if (buffer_) {
+ cursor_.clearSelection();
+ xsel_cache_.set = false;
}
}
-// these functions are for the spellchecker
-WordLangTuple const BufferView::nextWord(float & value)
+void BufferView::workAreaResize(int width, int height)
{
- if (!available()) {
- value = 1;
- return WordLangTuple();
- }
+ bool const widthChange = width != width_;
+ bool const heightChange = height != height_;
- return text->selectNextWordToSpellcheck(value);
-}
+ // Update from work area
+ width_ = width;
+ height_ = height;
+ if (buffer_)
+ resize();
-void BufferView::selectLastWord()
-{
- if (!available())
- return;
-
- LyXCursor cur = text->selection.cursor;
- hideCursor();
- beforeChange(text);
- text->selection.cursor = cur;
- text->selectSelectedWord();
- toggleSelection(false);
- update(text, BufferView::SELECT);
+ update();
}
-void BufferView::endOfSpellCheck()
+std::pair<bool, bool> BufferView::workAreaDispatch(FuncRequest const & cmd0)
{
- if (!available()) return;
+ //lyxerr << BOOST_CURRENT_FUNCTION << "[ cmd0 " << cmd0 << "]" << endl;
- hideCursor();
- beforeChange(text);
- text->selectSelectedWord();
- text->clearSelection();
- update(text, BufferView::SELECT);
-}
+ // This is only called for mouse related events including
+ // LFUN_FILE_OPEN generated by drag-and-drop.
+ FuncRequest cmd = cmd0;
+ // E.g. Qt mouse press when no buffer
+ if (!buffer_)
+ return make_pair(false, false);
-void BufferView::replaceWord(string const & replacestring)
-{
- if (!available())
- return;
+ LCursor cur(*this);
+ cur.push(buffer_->inset());
+ cur.selection() = cursor_.selection();
- LyXText * tt = getLyXText();
- hideCursor();
- update(tt, BufferView::SELECT);
+ // Either the inset under the cursor or the
+ // surrounding LyXText will handle this event.
- // clear the selection (if there is any)
- toggleSelection(false);
- update(tt, BufferView::SELECT);
+ // Build temporary cursor.
+ cmd.y = min(max(cmd.y, -1), height_);
+ InsetBase * inset = buffer_->text().editXY(cur, cmd.x, cmd.y);
- // clear the selection (if there is any)
- toggleSelection(false);
- tt->replaceSelectionWithString(replacestring);
+ //lyxerr << BOOST_CURRENT_FUNCTION
+ // << " * hit inset at tip: " << inset << endl;
+ //lyxerr << BOOST_CURRENT_FUNCTION
+ // << " * created temp cursor:" << cur << endl;
- tt->setSelectionRange(replacestring.length());
+ // Put anchor at the same position.
+ cur.resetAnchor();
- // Go back so that replacement string is also spellchecked
- for (string::size_type i = 0; i < replacestring.length() + 1; ++i) {
- tt->cursorLeft(this);
+ // Try to dispatch to an non-editable inset near this position
+ // via the temp cursor. If the inset wishes to change the real
+ // cursor it has to do so explicitly by using
+ // cur.bv().cursor() = cur; (or similar)
+ if (inset) {
+ inset->dispatch(cur, cmd);
}
- update(tt, BufferView::SELECT);
- // FIXME: should be done through LFUN
- buffer()->markDirty();
- fitCursor();
-}
-// End of spellchecker stuff
+ // Now dispatch to the temporary cursor. If the real cursor should
+ // be modified, the inset's dispatch has to do so explicitly.
+ if (!cur.result().dispatched())
+ cur.dispatch(cmd);
+ // Redraw if requested and necessary.
+ if (cur.result().dispatched() && cur.result().update())
+ return update(cur.result().update());
-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(&*pit, it.getPos());
- theLockingInset(inset);
- return true;
- }
- if (it.getInset()->getInsetFromID(id)) {
- text->setCursorIntern(&*pit, it.getPos());
- it.getInset()->edit(this);
- return theLockingInset()->lockInsetInInset(this, inset);
- }
- }
- }
- return false;
- }
- return theLockingInset()->lockInsetInInset(this, inset);
+ // When the above and the inner function are fixed, we can do this:
+ return make_pair(false, false);
}
-void BufferView::showLockedInsetCursor(int x, int y, int asc, int desc)
+void BufferView::scroll(int /*lines*/)
{
- 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(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);
- }
+// if (!buffer_)
+// return;
+//
+// LyXText const * t = &buffer_->text();
+// int const line_height = defaultRowHeight();
+//
+// // The new absolute coordinate
+// int new_top_y = top_y() + lines * line_height;
+//
+// // Restrict to a valid value
+// new_top_y = std::min(t->height() - 4 * line_height, new_top_y);
+// new_top_y = std::max(0, new_top_y);
+//
+// scrollDocView(new_top_y);
+//
+// // Update the scrollbar.
+// workArea_->setScrollbarParams(t->height(), top_y(), defaultRowHeight());}
}
-void BufferView::hideLockedInsetCursor()
+void BufferView::setCursorFromRow(int row)
{
- if (theLockingInset() && available()) {
- screen().hideCursor();
- }
+ int tmpid = -1;
+ int tmppos = -1;
+
+ buffer_->texrow().getIdFromRow(row, tmpid, tmppos);
+
+ if (tmpid == -1)
+ buffer_->text().setCursor(cursor_, 0, 0);
+ else
+ buffer_->text().setCursor(cursor_, buffer_->getParFromID(tmpid).pit(), tmppos);
}
-bool BufferView::fitLockedInsetCursor(int x, int y, int asc, int desc)
+void BufferView::gotoLabel(docstring const & label)
{
- if (theLockingInset() && available()) {
- y += text->cursor.iy() + theLockingInset()->insetInInsetY();
- if (screen().fitManualCursor(this, text, x, y, asc, desc)) {
- updateScrollbar();
- return true;
+ for (InsetIterator it = inset_iterator_begin(buffer_->inset()); it; ++it) {
+ vector<docstring> labels;
+ it->getLabelList(*buffer_, labels);
+ if (std::find(labels.begin(), labels.end(), label) != labels.end()) {
+ setCursor(it);
+ update();
+ return;
}
}
- return false;
}
-int BufferView::unlockInset(UpdatableInset * inset)
+LyXText * BufferView::getLyXText()
{
- 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
- dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
- finishUndo();
- return 0;
- } else if (inset && theLockingInset() &&
- theLockingInset()->unlockInsetInInset(this, inset)) {
- // Tell the paragraph dialog that we changed paragraph
- dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
- // owner inset has updated the layout combo
- finishUndo();
- return 0;
- }
- return 1;
+ LyXText * text = cursor_.innerText();
+ BOOST_ASSERT(text);
+ return text;
}
-void BufferView::lockedInsetStoreUndo(Undo::undo_kind kind)
+LyXText const * BufferView::getLyXText() const
{
- 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());
+ LyXText const * text = cursor_.innerText();
+ BOOST_ASSERT(text);
+ return text;
}
-void BufferView::updateInset(Inset * inset)
+int BufferView::workHeight() const
{
- pimpl_->updateInset(inset);
+ return height_;
}
-bool BufferView::ChangeInsets(Inset::Code code,
- string const & from, string const & to)
+void BufferView::setCursor(DocIterator const & dit)
{
- bool need_update = false;
- LyXCursor cursor = text->cursor;
- LyXCursor tmpcursor = cursor;
- cursor.par(tmpcursor.par());
- cursor.pos(tmpcursor.pos());
+ size_t const n = dit.depth();
+ for (size_t i = 0; i < n; ++i)
+ dit[i].inset().edit(cursor_, true);
- 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(par, 0);
- text->redoParagraphs(text->cursor,
- text->cursor.par()->next());
- text->fullRebreak();
- }
- }
- }
- text->setCursorIntern(cursor.par(), cursor.pos());
- return need_update;
+ cursor_.setCursor(dit);
+ cursor_.selection() = false;
}
-bool BufferView::ChangeRefsIfUnique(string const & from, string const & to)
+void BufferView::mouseSetCursor(LCursor & cur)
{
- // Check if the label 'from' appears more than once
- vector<string> labels = buffer()->getLabelList();
+ BOOST_ASSERT(&cur.bv() == this);
- if (lyx::count(labels.begin(), labels.end(), from) > 1)
- return false;
+ // Has the cursor just left the inset?
+ bool badcursor = false;
+ if (&cursor_.inset() != &cur.inset())
+ badcursor = cursor_.inset().notifyCursorLeaves(cursor_);
+
+ // do the dEPM magic if needed
+ // FIXME: move this to InsetText::notifyCursorLeaves?
+ if (!badcursor && cursor_.inTexted())
+ cursor_.text()->deleteEmptyParagraphMechanism(cur, cursor_);
+
+ cursor_ = cur;
+ cursor_.clearSelection();
+ cursor_.setTargetX();
+ finishUndo();
- return ChangeInsets(Inset::REF_CODE, from, to);
}
-bool BufferView::ChangeCitationsIfUnique(string const & from, string const & to)
+void BufferView::putSelectionAt(DocIterator const & cur,
+ int length, bool backwards)
{
- typedef pair<string, string> StringPair;
+ cursor_.clearSelection();
- vector<StringPair> keys;
- buffer()->fillWithBibKeys(keys);
- if (count_if(keys.begin(), keys.end(),
- lyx::equal_1st_in_pair<StringPair>(from))
- > 1)
- return false;
+ setCursor(cur);
- return ChangeInsets(Inset::CITE_CODE, from, to);
+ if (length) {
+ if (backwards) {
+ cursor_.pos() += length;
+ cursor_.setSelection(cursor_, -length);
+ } else
+ cursor_.setSelection(cursor_, length);
+ }
}
-UpdatableInset * BufferView::theLockingInset() const
+LCursor & BufferView::cursor()
{
- // If NULL is not allowed we should put an Assert here. (Lgb)
- if (text)
- return text->the_locking_inset;
- return 0;
+ return cursor_;
}
-void BufferView::theLockingInset(UpdatableInset * inset)
+LCursor const & BufferView::cursor() const
{
- text->the_locking_inset = inset;
+ return cursor_;
}
-LyXText * BufferView::getLyXText() const
+pit_type BufferView::anchor_ref() const
{
- if (theLockingInset()) {
- LyXText * txt = theLockingInset()->getLyXText(this, true);
- if (txt)
- return txt;
- }
- return text;
+ return anchor_ref_;
}
-LyXText * BufferView::getParentText(Inset * inset) const
+ViewMetricsInfo const & BufferView::viewMetricsInfo()
{
- 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;
+ return metrics_info_;
}
-Language const * BufferView::getParentLanguage(Inset * inset) const
+void BufferView::updateMetrics(bool singlepar)
{
- LyXText * text = getParentText(inset);
- return text->cursor.par()->getFontSettings(buffer()->params,
- text->cursor.pos()).language();
-}
+ // Clear out the position cache in case of full screen redraw.
+ if (!singlepar)
+ coord_cache_.clear();
+ LyXText & buftext = buffer_->text();
+ pit_type size = int(buftext.paragraphs().size());
-Encoding const * BufferView::getEncoding() const
-{
- LyXText * t = getLyXText();
- if (!t)
- return 0;
+ if (anchor_ref_ > int(buftext.paragraphs().size() - 1)) {
+ anchor_ref_ = int(buftext.paragraphs().size() - 1);
+ offset_ref_ = 0;
+ }
- LyXCursor const & c= t->cursor;
- LyXFont const font = c.par()->getFont(buffer()->params, c.pos());
- return font.language()->encoding();
-}
+ pit_type const pit = anchor_ref_;
+ int pit1 = pit;
+ int pit2 = pit;
+ size_t const npit = buftext.paragraphs().size();
+
+ // Rebreak anchor paragraph. In Single Paragraph mode, rebreak only
+ // the (main text, not inset!) paragraph containing the cursor.
+ // (if this paragraph contains insets etc., rebreaking will
+ // recursively descend)
+ if (!singlepar || pit == cursor_.bottom().pit())
+ buftext.redoParagraph(*this, pit);
+ int y0 = buftext.getPar(pit).ascent() - offset_ref_;
+
+ // Redo paragraphs above anchor if necessary; again, in Single Par
+ // mode, only if we encounter the (main text) one having the cursor.
+ int y1 = y0;
+ while (y1 > 0 && pit1 > 0) {
+ y1 -= buftext.getPar(pit1).ascent();
+ --pit1;
+ if (!singlepar || pit1 == cursor_.bottom().pit())
+ buftext.redoParagraph(*this, pit1);
+ y1 -= buftext.getPar(pit1).descent();
+ }
-void BufferView::haveSelection(bool sel)
-{
- pimpl_->workarea().haveSelection(sel);
+ // Take care of ascent of first line
+ y1 -= buftext.getPar(pit1).ascent();
+
+ // Normalize anchor for next time
+ anchor_ref_ = pit1;
+ offset_ref_ = -y1;
+
+ // Grey at the beginning is ugly
+ if (pit1 == 0 && y1 > 0) {
+ y0 -= y1;
+ y1 = 0;
+ anchor_ref_ = 0;
+ }
+
+ // Redo paragraphs below the anchor if necessary. Single par mode:
+ // only the one containing the cursor if encountered.
+ int y2 = y0;
+ while (y2 < height_ && pit2 < int(npit) - 1) {
+ y2 += buftext.getPar(pit2).descent();
+ ++pit2;
+ if (!singlepar || pit2 == cursor_.bottom().pit())
+ buftext.redoParagraph(*this, pit2);
+ y2 += buftext.getPar(pit2).ascent();
+ }
+
+ // Take care of descent of last line
+ y2 += buftext.getPar(pit2).descent();
+
+ // The coordinates of all these paragraphs are correct, cache them
+ int y = y1;
+ CoordCache::InnerParPosCache & parPos = coord_cache_.parPos()[&buftext];
+ for (pit_type pit = pit1; pit <= pit2; ++pit) {
+ Paragraph const & par = buftext.getPar(pit);
+ y += par.ascent();
+ parPos[pit] = Point(0, y);
+ if (singlepar && pit == cursor_.bottom().pit()) {
+ // In Single Paragraph mode, collect here the
+ // y1 and y2 of the (one) paragraph the cursor is in
+ y1 = y - par.ascent();
+ y2 = y + par.descent();
+ }
+ y += par.descent();
+ }
+
+ if (singlepar) {
+ // collect cursor paragraph iter bounds
+ pit1 = cursor_.bottom().pit();
+ pit2 = cursor_.bottom().pit();
+ }
+
+ lyxerr[Debug::DEBUG]
+ << BOOST_CURRENT_FUNCTION
+ << " y1: " << y1
+ << " y2: " << y2
+ << " pit1: " << pit1
+ << " pit2: " << pit2
+ << " npit: " << npit
+ << " singlepar: " << singlepar
+ << "size: " << size
+ << endl;
+
+ metrics_info_ = ViewMetricsInfo(pit1, pit2, y1, y2, singlepar, size);
+
+ if (lyxerr.debugging(Debug::WORKAREA)) {
+ lyxerr[Debug::WORKAREA] << "BufferView::updateMetrics" << endl;
+ coord_cache_.dump();
+ }
}
-int BufferView::workHeight() const
+void BufferView::menuInsertLyXFile(string const & filenm)
{
- return pimpl_->workarea().workHeight();
+ BOOST_ASSERT(cursor_.inTexted());
+ string filename = filenm;
+
+ if (filename.empty()) {
+ // Launch a file browser
+ // FIXME UNICODE
+ string initpath = lyxrc.document_path;
+
+ if (buffer_) {
+ string const trypath = buffer_->filePath();
+ // If directory is writeable, use this as default.
+ if (isDirWriteable(trypath))
+ initpath = trypath;
+ }
+
+ // FIXME UNICODE
+ FileDialog fileDlg(_("Select LyX document to insert"),
+ LFUN_FILE_INSERT,
+ make_pair(_("Documents|#o#O"), from_utf8(lyxrc.document_path)),
+ make_pair(_("Examples|#E#e"), from_utf8(addPath(package().system_support(), "examples"))));
+
+ FileDialog::Result result =
+ fileDlg.open(from_utf8(initpath),
+ FileFilterList(_("LyX Documents (*.lyx)")),
+ docstring());
+
+ if (result.first == FileDialog::Later)
+ return;
+
+ // FIXME UNICODE
+ filename = to_utf8(result.second);
+
+ // check selected filename
+ if (filename.empty()) {
+ // emit message signal.
+ message(_("Canceled."));
+ return;
+ }
+ }
+
+ // Get absolute path of file and add ".lyx"
+ // to the filename if necessary
+ filename = fileSearch(string(), filename, "lyx");
+
+ docstring const disp_fn = makeDisplayPath(filename);
+ // emit message signal.
+ message(bformat(_("Inserting document %1$s..."), disp_fn));
+
+ docstring res;
+ Buffer buf("", false);
+ if (lyx::loadLyXFile(&buf, makeAbsPath(filename))) {
+ ErrorList & el = buffer_->errorList("Parse");
+ // Copy the inserted document error list into the current buffer one.
+ el = buf.errorList("Parse");
+ recordUndo(cursor_);
+ cap::pasteParagraphList(cursor_, buf.paragraphs(),
+ buf.params().textclass, el);
+ res = _("Document %1$s inserted.");
+ } else
+ res = _("Could not insert document %1$s");
+
+ // emit message signal.
+ message(bformat(res, disp_fn));
+ buffer_->errors("Parse");
+ resize();
}
+
+
+} // namespace lyx
projects / lyx.git / blobdiff