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73db05c0bb
* allows the selection of a whole cell with shift+key * shift-movement between empty cells with a single keystroke git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/branches/BRANCH_1_6_X@28779 a592a061-630c-0410-9148-cb99ea01b6c8
1661 lines
45 KiB
C++
1661 lines
45 KiB
C++
/**
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* \file src/Text.cpp
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author Asger Alstrup
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* \author Lars Gullik Bjønnes
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* \author Dov Feldstern
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* \author Jean-Marc Lasgouttes
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* \author John Levon
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* \author André Pönitz
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* \author Stefan Schimanski
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* \author Dekel Tsur
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* \author Jürgen Vigna
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*
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* Full author contact details are available in file CREDITS.
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*/
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#include <config.h>
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#include "Text.h"
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#include "Author.h"
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#include "Buffer.h"
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#include "buffer_funcs.h"
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#include "BufferParams.h"
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#include "BufferView.h"
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#include "Changes.h"
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#include "CompletionList.h"
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#include "Cursor.h"
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#include "CutAndPaste.h"
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#include "DispatchResult.h"
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#include "Encoding.h"
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#include "ErrorList.h"
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#include "FuncRequest.h"
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#include "factory.h"
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#include "Language.h"
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#include "Length.h"
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#include "Lexer.h"
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#include "LyXRC.h"
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#include "Paragraph.h"
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#include "paragraph_funcs.h"
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#include "ParagraphParameters.h"
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#include "ParIterator.h"
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#include "TextClass.h"
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#include "TextMetrics.h"
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#include "VSpace.h"
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#include "WordLangTuple.h"
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#include "WordList.h"
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#include "insets/InsetText.h"
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#include "insets/InsetBibitem.h"
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#include "insets/InsetCaption.h"
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#include "insets/InsetLine.h"
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#include "insets/InsetNewline.h"
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#include "insets/InsetNewpage.h"
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#include "insets/InsetOptArg.h"
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#include "insets/InsetSpace.h"
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#include "insets/InsetSpecialChar.h"
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#include "insets/InsetTabular.h"
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#include "support/lassert.h"
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#include "support/convert.h"
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#include "support/debug.h"
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#include "support/docstream.h"
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#include "support/gettext.h"
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#include "support/lstrings.h"
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#include "support/textutils.h"
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#include <boost/next_prior.hpp>
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#include <sstream>
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using namespace std;
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using namespace lyx::support;
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namespace lyx {
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using cap::cutSelection;
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using cap::pasteParagraphList;
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namespace {
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void readParToken(Buffer const & buf, Paragraph & par, Lexer & lex,
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string const & token, Font & font, Change & change, ErrorList & errorList)
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{
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BufferParams const & bp = buf.params();
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if (token[0] != '\\') {
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docstring dstr = lex.getDocString();
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par.appendString(dstr, font, change);
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} else if (token == "\\begin_layout") {
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lex.eatLine();
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docstring layoutname = lex.getDocString();
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font = Font(inherit_font, bp.language);
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change = Change(Change::UNCHANGED);
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DocumentClass const & tclass = bp.documentClass();
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if (layoutname.empty())
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layoutname = tclass.defaultLayoutName();
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if (par.forcePlainLayout()) {
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// in this case only the empty layout is allowed
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layoutname = tclass.plainLayoutName();
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} else if (par.usePlainLayout()) {
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// in this case, default layout maps to empty layout
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if (layoutname == tclass.defaultLayoutName())
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layoutname = tclass.plainLayoutName();
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} else {
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// otherwise, the empty layout maps to the default
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if (layoutname == tclass.plainLayoutName())
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layoutname = tclass.defaultLayoutName();
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}
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// When we apply an unknown layout to a document, we add this layout to the textclass
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// of this document. For example, when you apply class article to a beamer document,
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// all unknown layouts such as frame will be added to document class article so that
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// these layouts can keep their original names.
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tclass.addLayoutIfNeeded(layoutname);
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par.setLayout(bp.documentClass()[layoutname]);
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// Test whether the layout is obsolete.
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Layout const & layout = par.layout();
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if (!layout.obsoleted_by().empty())
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par.setLayout(bp.documentClass()[layout.obsoleted_by()]);
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par.params().read(lex);
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} else if (token == "\\end_layout") {
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LYXERR0("Solitary \\end_layout in line " << lex.lineNumber() << "\n"
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<< "Missing \\begin_layout ?");
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} else if (token == "\\end_inset") {
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LYXERR0("Solitary \\end_inset in line " << lex.lineNumber() << "\n"
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<< "Missing \\begin_inset ?");
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} else if (token == "\\begin_inset") {
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Inset * inset = readInset(lex, buf);
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if (inset)
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par.insertInset(par.size(), inset, font, change);
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else {
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lex.eatLine();
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docstring line = lex.getDocString();
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errorList.push_back(ErrorItem(_("Unknown Inset"), line,
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par.id(), 0, par.size()));
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}
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} else if (token == "\\family") {
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lex.next();
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setLyXFamily(lex.getString(), font.fontInfo());
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} else if (token == "\\series") {
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lex.next();
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setLyXSeries(lex.getString(), font.fontInfo());
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} else if (token == "\\shape") {
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lex.next();
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setLyXShape(lex.getString(), font.fontInfo());
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} else if (token == "\\size") {
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lex.next();
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setLyXSize(lex.getString(), font.fontInfo());
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} else if (token == "\\lang") {
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lex.next();
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string const tok = lex.getString();
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Language const * lang = languages.getLanguage(tok);
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if (lang) {
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font.setLanguage(lang);
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} else {
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font.setLanguage(bp.language);
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lex.printError("Unknown language `$$Token'");
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}
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} else if (token == "\\numeric") {
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lex.next();
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font.fontInfo().setNumber(font.setLyXMisc(lex.getString()));
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} else if (token == "\\emph") {
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lex.next();
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font.fontInfo().setEmph(font.setLyXMisc(lex.getString()));
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} else if (token == "\\bar") {
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lex.next();
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string const tok = lex.getString();
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if (tok == "under")
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font.fontInfo().setUnderbar(FONT_ON);
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else if (tok == "no")
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font.fontInfo().setUnderbar(FONT_OFF);
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else if (tok == "default")
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font.fontInfo().setUnderbar(FONT_INHERIT);
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else
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lex.printError("Unknown bar font flag "
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"`$$Token'");
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} else if (token == "\\noun") {
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lex.next();
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font.fontInfo().setNoun(font.setLyXMisc(lex.getString()));
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} else if (token == "\\color") {
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lex.next();
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setLyXColor(lex.getString(), font.fontInfo());
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} else if (token == "\\SpecialChar") {
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auto_ptr<Inset> inset;
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inset.reset(new InsetSpecialChar);
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inset->read(lex);
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par.insertInset(par.size(), inset.release(),
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font, change);
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} else if (token == "\\backslash") {
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par.appendChar('\\', font, change);
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} else if (token == "\\LyXTable") {
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auto_ptr<Inset> inset(new InsetTabular(const_cast<Buffer &>(buf)));
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inset->read(lex);
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par.insertInset(par.size(), inset.release(), font, change);
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} else if (token == "\\lyxline") {
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par.insertInset(par.size(), new InsetLine, font, change);
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} else if (token == "\\change_unchanged") {
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change = Change(Change::UNCHANGED);
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} else if (token == "\\change_inserted") {
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lex.eatLine();
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istringstream is(lex.getString());
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unsigned int aid;
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time_t ct;
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is >> aid >> ct;
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if (aid >= bp.author_map.size()) {
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errorList.push_back(ErrorItem(_("Change tracking error"),
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bformat(_("Unknown author index for insertion: %1$d\n"), aid),
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par.id(), 0, par.size()));
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change = Change(Change::UNCHANGED);
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} else
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change = Change(Change::INSERTED, bp.author_map[aid], ct);
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} else if (token == "\\change_deleted") {
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lex.eatLine();
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istringstream is(lex.getString());
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unsigned int aid;
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time_t ct;
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is >> aid >> ct;
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if (aid >= bp.author_map.size()) {
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errorList.push_back(ErrorItem(_("Change tracking error"),
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bformat(_("Unknown author index for deletion: %1$d\n"), aid),
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par.id(), 0, par.size()));
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change = Change(Change::UNCHANGED);
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} else
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change = Change(Change::DELETED, bp.author_map[aid], ct);
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} else {
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lex.eatLine();
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errorList.push_back(ErrorItem(_("Unknown token"),
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bformat(_("Unknown token: %1$s %2$s\n"), from_utf8(token),
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lex.getDocString()),
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par.id(), 0, par.size()));
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}
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}
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void readParagraph(Buffer const & buf, Paragraph & par, Lexer & lex,
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ErrorList & errorList)
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{
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lex.nextToken();
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string token = lex.getString();
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Font font;
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Change change(Change::UNCHANGED);
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while (lex.isOK()) {
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readParToken(buf, par, lex, token, font, change, errorList);
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lex.nextToken();
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token = lex.getString();
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if (token.empty())
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continue;
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if (token == "\\end_layout") {
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//Ok, paragraph finished
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break;
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}
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LYXERR(Debug::PARSER, "Handling paragraph token: `" << token << '\'');
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if (token == "\\begin_layout" || token == "\\end_document"
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|| token == "\\end_inset" || token == "\\begin_deeper"
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|| token == "\\end_deeper") {
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lex.pushToken(token);
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lyxerr << "Paragraph ended in line "
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<< lex.lineNumber() << "\n"
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<< "Missing \\end_layout.\n";
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break;
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}
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}
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// Final change goes to paragraph break:
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par.setChange(par.size(), change);
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// Initialize begin_of_body_ on load; redoParagraph maintains
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par.setBeginOfBody();
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}
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} // namespace anon
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class TextCompletionList : public CompletionList
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{
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public:
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///
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TextCompletionList(Cursor const & cur)
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: buf_(cur.buffer()), pos_(0) {}
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///
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virtual ~TextCompletionList() {}
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///
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virtual bool sorted() const { return true; }
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///
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virtual size_t size() const
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{
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return theWordList().size();
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}
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///
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virtual docstring const & data(size_t idx) const
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{
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return theWordList().word(idx);
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}
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private:
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///
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Buffer const & buf_;
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///
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size_t pos_;
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};
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bool Text::empty() const
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{
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return pars_.empty() || (pars_.size() == 1 && pars_[0].empty()
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// FIXME: Should we consider the labeled type as empty too?
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&& pars_[0].layout().labeltype == LABEL_NO_LABEL);
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}
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double Text::spacing(Buffer const & buffer, Paragraph const & par) const
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{
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if (par.params().spacing().isDefault())
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return buffer.params().spacing().getValue();
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return par.params().spacing().getValue();
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}
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void Text::breakParagraph(Cursor & cur, bool inverse_logic)
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{
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LASSERT(this == cur.text(), /**/);
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Paragraph & cpar = cur.paragraph();
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pit_type cpit = cur.pit();
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DocumentClass const & tclass = cur.buffer().params().documentClass();
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Layout const & layout = cpar.layout();
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// this is only allowed, if the current paragraph is not empty
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// or caption and if it has not the keepempty flag active
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if (cur.lastpos() == 0 && !cpar.allowEmpty() &&
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layout.labeltype != LABEL_SENSITIVE)
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return;
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// a layout change may affect also the following paragraph
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recUndo(cur, cur.pit(), undoSpan(cur.pit()) - 1);
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// Always break behind a space
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// It is better to erase the space (Dekel)
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if (cur.pos() != cur.lastpos() && cpar.isLineSeparator(cur.pos()))
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cpar.eraseChar(cur.pos(), cur.buffer().params().trackChanges);
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// What should the layout for the new paragraph be?
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bool keep_layout = inverse_logic ?
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!layout.isEnvironment()
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: layout.isEnvironment();
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// We need to remember this before we break the paragraph, because
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// that invalidates the layout variable
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bool sensitive = layout.labeltype == LABEL_SENSITIVE;
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// we need to set this before we insert the paragraph.
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bool const isempty = cpar.allowEmpty() && cpar.empty();
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lyx::breakParagraph(cur.buffer().params(), paragraphs(), cpit,
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cur.pos(), keep_layout);
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// After this, neither paragraph contains any rows!
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cpit = cur.pit();
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pit_type next_par = cpit + 1;
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// well this is the caption hack since one caption is really enough
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if (sensitive) {
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if (cur.pos() == 0)
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// set to standard-layout
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//FIXME Check if this should be plainLayout() in some cases
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pars_[cpit].applyLayout(tclass.defaultLayout());
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else
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// set to standard-layout
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//FIXME Check if this should be plainLayout() in some cases
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pars_[next_par].applyLayout(tclass.defaultLayout());
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}
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while (!pars_[next_par].empty() && pars_[next_par].isNewline(0)) {
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if (!pars_[next_par].eraseChar(0, cur.buffer().params().trackChanges))
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break; // the character couldn't be deleted physically due to change tracking
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}
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updateLabels(cur.buffer());
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// A singlePar update is not enough in this case.
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cur.updateFlags(Update::Force);
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// This check is necessary. Otherwise the new empty paragraph will
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// be deleted automatically. And it is more friendly for the user!
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if (cur.pos() != 0 || isempty)
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setCursor(cur, cur.pit() + 1, 0);
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else
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setCursor(cur, cur.pit(), 0);
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}
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// insert a character, moves all the following breaks in the
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// same Paragraph one to the right and make a rebreak
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void Text::insertChar(Cursor & cur, char_type c)
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{
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LASSERT(this == cur.text(), /**/);
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cur.recordUndo(INSERT_UNDO);
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TextMetrics const & tm = cur.bv().textMetrics(this);
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Buffer const & buffer = cur.buffer();
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Paragraph & par = cur.paragraph();
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// try to remove this
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pit_type const pit = cur.pit();
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bool const freeSpacing = par.layout().free_spacing ||
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par.isFreeSpacing();
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if (lyxrc.auto_number) {
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static docstring const number_operators = from_ascii("+-/*");
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static docstring const number_unary_operators = from_ascii("+-");
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static docstring const number_seperators = from_ascii(".,:");
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if (cur.current_font.fontInfo().number() == FONT_ON) {
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if (!isDigit(c) && !contains(number_operators, c) &&
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!(contains(number_seperators, c) &&
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cur.pos() != 0 &&
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cur.pos() != cur.lastpos() &&
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tm.displayFont(pit, cur.pos()).fontInfo().number() == FONT_ON &&
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tm.displayFont(pit, cur.pos() - 1).fontInfo().number() == FONT_ON)
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)
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number(cur); // Set current_font.number to OFF
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} else if (isDigit(c) &&
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cur.real_current_font.isVisibleRightToLeft()) {
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number(cur); // Set current_font.number to ON
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if (cur.pos() != 0) {
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char_type const c = par.getChar(cur.pos() - 1);
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if (contains(number_unary_operators, c) &&
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(cur.pos() == 1
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|| par.isSeparator(cur.pos() - 2)
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|| par.isNewline(cur.pos() - 2))
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) {
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setCharFont(buffer, pit, cur.pos() - 1, cur.current_font,
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tm.font_);
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} else if (contains(number_seperators, c)
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&& cur.pos() >= 2
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&& tm.displayFont(pit, cur.pos() - 2).fontInfo().number() == FONT_ON) {
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setCharFont(buffer, pit, cur.pos() - 1, cur.current_font,
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tm.font_);
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}
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}
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}
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}
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// In Bidi text, we want spaces to be treated in a special way: spaces
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// which are between words in different languages should get the
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// paragraph's language; otherwise, spaces should keep the language
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// they were originally typed in. This is only in effect while typing;
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// after the text is already typed in, the user can always go back and
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// explicitly set the language of a space as desired. But 99.9% of the
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// time, what we're doing here is what the user actually meant.
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//
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// The following cases are the ones in which the language of the space
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// should be changed to match that of the containing paragraph. In the
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// depictions, lowercase is LTR, uppercase is RTL, underscore (_)
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// represents a space, pipe (|) represents the cursor position (so the
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// character before it is the one just typed in). The different cases
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// are depicted logically (not visually), from left to right:
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//
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// 1. A_a|
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// 2. a_A|
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//
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// Theoretically, there are other situations that we should, perhaps, deal
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// with (e.g.: a|_A, A|_a). In practice, though, there really isn't any
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// point (to understand why, just try to create this situation...).
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if ((cur.pos() >= 2) && (par.isLineSeparator(cur.pos() - 1))) {
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// get font in front and behind the space in question. But do NOT
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// use getFont(cur.pos()) because the character c is not inserted yet
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Font const pre_space_font = tm.displayFont(cur.pit(), cur.pos() - 2);
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Font const & post_space_font = cur.real_current_font;
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bool pre_space_rtl = pre_space_font.isVisibleRightToLeft();
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bool post_space_rtl = post_space_font.isVisibleRightToLeft();
|
|
|
|
if (pre_space_rtl != post_space_rtl) {
|
|
// Set the space's language to match the language of the
|
|
// adjacent character whose direction is the paragraph's
|
|
// direction; don't touch other properties of the font
|
|
Language const * lang =
|
|
(pre_space_rtl == par.isRTL(buffer.params())) ?
|
|
pre_space_font.language() : post_space_font.language();
|
|
|
|
Font space_font = tm.displayFont(cur.pit(), cur.pos() - 1);
|
|
space_font.setLanguage(lang);
|
|
par.setFont(cur.pos() - 1, space_font);
|
|
}
|
|
}
|
|
|
|
// Next check, if there will be two blanks together or a blank at
|
|
// the beginning of a paragraph.
|
|
// I decided to handle blanks like normal characters, the main
|
|
// difference are the special checks when calculating the row.fill
|
|
// (blank does not count at the end of a row) and the check here
|
|
|
|
// When the free-spacing option is set for the current layout,
|
|
// disable the double-space checking
|
|
if (!freeSpacing && isLineSeparatorChar(c)) {
|
|
if (cur.pos() == 0) {
|
|
static bool sent_space_message = false;
|
|
if (!sent_space_message) {
|
|
cur.message(_("You cannot insert a space at the "
|
|
"beginning of a paragraph. Please read the Tutorial."));
|
|
sent_space_message = true;
|
|
}
|
|
return;
|
|
}
|
|
LASSERT(cur.pos() > 0, /**/);
|
|
if ((par.isLineSeparator(cur.pos() - 1) || par.isNewline(cur.pos() - 1))
|
|
&& !par.isDeleted(cur.pos() - 1)) {
|
|
static bool sent_space_message = false;
|
|
if (!sent_space_message) {
|
|
cur.message(_("You cannot type two spaces this way. "
|
|
"Please read the Tutorial."));
|
|
sent_space_message = true;
|
|
}
|
|
return;
|
|
}
|
|
}
|
|
|
|
par.insertChar(cur.pos(), c, cur.current_font, cur.buffer().params().trackChanges);
|
|
cur.checkBufferStructure();
|
|
|
|
// cur.updateFlags(Update::Force);
|
|
setCursor(cur.top(), cur.pit(), cur.pos() + 1);
|
|
charInserted(cur);
|
|
}
|
|
|
|
|
|
void Text::charInserted(Cursor & cur)
|
|
{
|
|
Paragraph & par = cur.paragraph();
|
|
|
|
// Here we call finishUndo for every 20 characters inserted.
|
|
// This is from my experience how emacs does it. (Lgb)
|
|
static unsigned int counter;
|
|
if (counter < 20) {
|
|
++counter;
|
|
} else {
|
|
cur.finishUndo();
|
|
counter = 0;
|
|
}
|
|
|
|
// register word if a non-letter was entered
|
|
if (cur.pos() > 1
|
|
&& par.isLetter(cur.pos() - 2)
|
|
&& !par.isLetter(cur.pos() - 1)) {
|
|
// get the word in front of cursor
|
|
LASSERT(this == cur.text(), /**/);
|
|
cur.paragraph().updateWords(cur.top());
|
|
}
|
|
}
|
|
|
|
|
|
// the cursor set functions have a special mechanism. When they
|
|
// realize, that you left an empty paragraph, they will delete it.
|
|
|
|
bool Text::cursorForwardOneWord(Cursor & cur)
|
|
{
|
|
LASSERT(this == cur.text(), /**/);
|
|
|
|
pos_type const lastpos = cur.lastpos();
|
|
pit_type pit = cur.pit();
|
|
pos_type pos = cur.pos();
|
|
Paragraph const & par = cur.paragraph();
|
|
|
|
// Paragraph boundary is a word boundary
|
|
if (pos == lastpos) {
|
|
if (pit != cur.lastpit())
|
|
return setCursor(cur, pit + 1, 0);
|
|
else
|
|
return false;
|
|
}
|
|
|
|
if (lyxrc.mac_like_word_movement) {
|
|
// Skip through trailing punctuation and spaces.
|
|
while (pos != lastpos && (par.isChar(pos) || par.isSpace(pos)))
|
|
++pos;
|
|
|
|
// Skip over either a non-char inset or a full word
|
|
if (pos != lastpos && !par.isLetter(pos))
|
|
++pos;
|
|
else while (pos != lastpos && par.isLetter(pos))
|
|
++pos;
|
|
} else {
|
|
LASSERT(pos < lastpos, /**/); // see above
|
|
if (par.isLetter(pos))
|
|
while (pos != lastpos && par.isLetter(pos))
|
|
++pos;
|
|
else if (par.isChar(pos))
|
|
while (pos != lastpos && par.isChar(pos))
|
|
++pos;
|
|
else if (!par.isSpace(pos)) // non-char inset
|
|
++pos;
|
|
|
|
// Skip over white space
|
|
while (pos != lastpos && par.isSpace(pos))
|
|
++pos;
|
|
}
|
|
|
|
return setCursor(cur, pit, pos);
|
|
}
|
|
|
|
|
|
bool Text::cursorBackwardOneWord(Cursor & cur)
|
|
{
|
|
LASSERT(this == cur.text(), /**/);
|
|
|
|
pit_type pit = cur.pit();
|
|
pos_type pos = cur.pos();
|
|
Paragraph & par = cur.paragraph();
|
|
|
|
// Paragraph boundary is a word boundary
|
|
if (pos == 0 && pit != 0)
|
|
return setCursor(cur, pit - 1, getPar(pit - 1).size());
|
|
|
|
if (lyxrc.mac_like_word_movement) {
|
|
// Skip through punctuation and spaces.
|
|
while (pos != 0 && (par.isChar(pos - 1) || par.isSpace(pos - 1)))
|
|
--pos;
|
|
|
|
// Skip over either a non-char inset or a full word
|
|
if (pos != 0 && !par.isLetter(pos - 1) && !par.isChar(pos - 1))
|
|
--pos;
|
|
else while (pos != 0 && par.isLetter(pos - 1))
|
|
--pos;
|
|
} else {
|
|
// Skip over white space
|
|
while (pos != 0 && par.isSpace(pos - 1))
|
|
--pos;
|
|
|
|
if (pos != 0 && par.isLetter(pos - 1))
|
|
while (pos != 0 && par.isLetter(pos - 1))
|
|
--pos;
|
|
else if (pos != 0 && par.isChar(pos - 1))
|
|
while (pos != 0 && par.isChar(pos - 1))
|
|
--pos;
|
|
else if (pos != 0 && !par.isSpace(pos - 1)) // non-char inset
|
|
--pos;
|
|
}
|
|
|
|
return setCursor(cur, pit, pos);
|
|
}
|
|
|
|
|
|
bool Text::cursorVisLeftOneWord(Cursor & cur)
|
|
{
|
|
LASSERT(this == cur.text(), /**/);
|
|
|
|
pos_type left_pos, right_pos;
|
|
bool left_is_letter, right_is_letter;
|
|
|
|
Cursor temp_cur = cur;
|
|
|
|
// always try to move at least once...
|
|
while (temp_cur.posVisLeft(true /* skip_inset */)) {
|
|
|
|
// collect some information about current cursor position
|
|
temp_cur.getSurroundingPos(left_pos, right_pos);
|
|
left_is_letter =
|
|
(left_pos > -1 ? temp_cur.paragraph().isLetter(left_pos) : false);
|
|
right_is_letter =
|
|
(right_pos > -1 ? temp_cur.paragraph().isLetter(right_pos) : false);
|
|
|
|
// if we're not at a letter/non-letter boundary, continue moving
|
|
if (left_is_letter == right_is_letter)
|
|
continue;
|
|
|
|
// we should stop when we have an LTR word on our right or an RTL word
|
|
// on our left
|
|
if ((left_is_letter && temp_cur.paragraph().getFontSettings(
|
|
temp_cur.bv().buffer().params(),
|
|
left_pos).isRightToLeft())
|
|
|| (right_is_letter && !temp_cur.paragraph().getFontSettings(
|
|
temp_cur.bv().buffer().params(),
|
|
right_pos).isRightToLeft()))
|
|
break;
|
|
}
|
|
|
|
return setCursor(cur, temp_cur.pit(), temp_cur.pos(),
|
|
true, temp_cur.boundary());
|
|
}
|
|
|
|
|
|
bool Text::cursorVisRightOneWord(Cursor & cur)
|
|
{
|
|
LASSERT(this == cur.text(), /**/);
|
|
|
|
pos_type left_pos, right_pos;
|
|
bool left_is_letter, right_is_letter;
|
|
|
|
Cursor temp_cur = cur;
|
|
|
|
// always try to move at least once...
|
|
while (temp_cur.posVisRight(true /* skip_inset */)) {
|
|
|
|
// collect some information about current cursor position
|
|
temp_cur.getSurroundingPos(left_pos, right_pos);
|
|
left_is_letter =
|
|
(left_pos > -1 ? temp_cur.paragraph().isLetter(left_pos) : false);
|
|
right_is_letter =
|
|
(right_pos > -1 ? temp_cur.paragraph().isLetter(right_pos) : false);
|
|
|
|
// if we're not at a letter/non-letter boundary, continue moving
|
|
if (left_is_letter == right_is_letter)
|
|
continue;
|
|
|
|
// we should stop when we have an LTR word on our right or an RTL word
|
|
// on our left
|
|
if ((left_is_letter && temp_cur.paragraph().getFontSettings(
|
|
temp_cur.bv().buffer().params(),
|
|
left_pos).isRightToLeft())
|
|
|| (right_is_letter && !temp_cur.paragraph().getFontSettings(
|
|
temp_cur.bv().buffer().params(),
|
|
right_pos).isRightToLeft()))
|
|
break;
|
|
}
|
|
|
|
return setCursor(cur, temp_cur.pit(), temp_cur.pos(),
|
|
true, temp_cur.boundary());
|
|
}
|
|
|
|
|
|
void Text::selectWord(Cursor & cur, word_location loc)
|
|
{
|
|
LASSERT(this == cur.text(), /**/);
|
|
CursorSlice from = cur.top();
|
|
CursorSlice to = cur.top();
|
|
getWord(from, to, loc);
|
|
if (cur.top() != from)
|
|
setCursor(cur, from.pit(), from.pos());
|
|
if (to == from)
|
|
return;
|
|
cur.resetAnchor();
|
|
setCursor(cur, to.pit(), to.pos());
|
|
cur.setSelection();
|
|
}
|
|
|
|
|
|
void Text::selectAll(Cursor & cur)
|
|
{
|
|
LASSERT(this == cur.text(), /**/);
|
|
if (cur.lastpos() == 0 && cur.lastpit() == 0)
|
|
return;
|
|
// If the cursor is at the beginning, make sure the cursor ends there
|
|
if (cur.pit() == 0 && cur.pos() == 0) {
|
|
setCursor(cur, cur.lastpit(), getPar(cur.lastpit()).size());
|
|
cur.resetAnchor();
|
|
setCursor(cur, 0, 0);
|
|
} else {
|
|
setCursor(cur, 0, 0);
|
|
cur.resetAnchor();
|
|
setCursor(cur, cur.lastpit(), getPar(cur.lastpit()).size());
|
|
}
|
|
cur.setSelection();
|
|
}
|
|
|
|
|
|
// Select the word currently under the cursor when no
|
|
// selection is currently set
|
|
bool Text::selectWordWhenUnderCursor(Cursor & cur, word_location loc)
|
|
{
|
|
LASSERT(this == cur.text(), /**/);
|
|
if (cur.selection())
|
|
return false;
|
|
selectWord(cur, loc);
|
|
return cur.selection();
|
|
}
|
|
|
|
|
|
void Text::acceptOrRejectChanges(Cursor & cur, ChangeOp op)
|
|
{
|
|
LASSERT(this == cur.text(), /**/);
|
|
|
|
if (!cur.selection())
|
|
return;
|
|
|
|
cur.recordUndoSelection();
|
|
|
|
pit_type begPit = cur.selectionBegin().pit();
|
|
pit_type endPit = cur.selectionEnd().pit();
|
|
|
|
pos_type begPos = cur.selectionBegin().pos();
|
|
pos_type endPos = cur.selectionEnd().pos();
|
|
|
|
// keep selection info, because endPos becomes invalid after the first loop
|
|
bool endsBeforeEndOfPar = (endPos < pars_[endPit].size());
|
|
|
|
// first, accept/reject changes within each individual paragraph (do not consider end-of-par)
|
|
|
|
for (pit_type pit = begPit; pit <= endPit; ++pit) {
|
|
pos_type parSize = pars_[pit].size();
|
|
|
|
// ignore empty paragraphs; otherwise, an assertion will fail for
|
|
// acceptChanges(bparams, 0, 0) or rejectChanges(bparams, 0, 0)
|
|
if (parSize == 0)
|
|
continue;
|
|
|
|
// do not consider first paragraph if the cursor starts at pos size()
|
|
if (pit == begPit && begPos == parSize)
|
|
continue;
|
|
|
|
// do not consider last paragraph if the cursor ends at pos 0
|
|
if (pit == endPit && endPos == 0)
|
|
break; // last iteration anyway
|
|
|
|
pos_type left = (pit == begPit ? begPos : 0);
|
|
pos_type right = (pit == endPit ? endPos : parSize);
|
|
|
|
if (op == ACCEPT) {
|
|
pars_[pit].acceptChanges(cur.buffer().params(), left, right);
|
|
} else {
|
|
pars_[pit].rejectChanges(cur.buffer().params(), left, right);
|
|
}
|
|
}
|
|
|
|
// next, accept/reject imaginary end-of-par characters
|
|
|
|
for (pit_type pit = begPit; pit <= endPit; ++pit) {
|
|
pos_type pos = pars_[pit].size();
|
|
|
|
// skip if the selection ends before the end-of-par
|
|
if (pit == endPit && endsBeforeEndOfPar)
|
|
break; // last iteration anyway
|
|
|
|
// skip if this is not the last paragraph of the document
|
|
// note: the user should be able to accept/reject the par break of the last par!
|
|
if (pit == endPit && pit + 1 != int(pars_.size()))
|
|
break; // last iteration anway
|
|
|
|
if (op == ACCEPT) {
|
|
if (pars_[pit].isInserted(pos)) {
|
|
pars_[pit].setChange(pos, Change(Change::UNCHANGED));
|
|
} else if (pars_[pit].isDeleted(pos)) {
|
|
if (pit + 1 == int(pars_.size())) {
|
|
// we cannot remove a par break at the end of the last paragraph;
|
|
// instead, we mark it unchanged
|
|
pars_[pit].setChange(pos, Change(Change::UNCHANGED));
|
|
} else {
|
|
mergeParagraph(cur.buffer().params(), pars_, pit);
|
|
--endPit;
|
|
--pit;
|
|
}
|
|
}
|
|
} else {
|
|
if (pars_[pit].isDeleted(pos)) {
|
|
pars_[pit].setChange(pos, Change(Change::UNCHANGED));
|
|
} else if (pars_[pit].isInserted(pos)) {
|
|
if (pit + 1 == int(pars_.size())) {
|
|
// we mark the par break at the end of the last paragraph unchanged
|
|
pars_[pit].setChange(pos, Change(Change::UNCHANGED));
|
|
} else {
|
|
mergeParagraph(cur.buffer().params(), pars_, pit);
|
|
--endPit;
|
|
--pit;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// finally, invoke the DEPM
|
|
|
|
deleteEmptyParagraphMechanism(begPit, endPit, cur.buffer().params().trackChanges);
|
|
|
|
//
|
|
|
|
cur.finishUndo();
|
|
cur.clearSelection();
|
|
setCursorIntern(cur, begPit, begPos);
|
|
cur.updateFlags(Update::Force);
|
|
updateLabels(cur.buffer());
|
|
}
|
|
|
|
|
|
void Text::acceptChanges(BufferParams const & bparams)
|
|
{
|
|
lyx::acceptChanges(pars_, bparams);
|
|
deleteEmptyParagraphMechanism(0, pars_.size() - 1, bparams.trackChanges);
|
|
}
|
|
|
|
|
|
void Text::rejectChanges(BufferParams const & bparams)
|
|
{
|
|
pit_type pars_size = static_cast<pit_type>(pars_.size());
|
|
|
|
// first, reject changes within each individual paragraph
|
|
// (do not consider end-of-par)
|
|
for (pit_type pit = 0; pit < pars_size; ++pit) {
|
|
if (!pars_[pit].empty()) // prevent assertion failure
|
|
pars_[pit].rejectChanges(bparams, 0, pars_[pit].size());
|
|
}
|
|
|
|
// next, reject imaginary end-of-par characters
|
|
for (pit_type pit = 0; pit < pars_size; ++pit) {
|
|
pos_type pos = pars_[pit].size();
|
|
|
|
if (pars_[pit].isDeleted(pos)) {
|
|
pars_[pit].setChange(pos, Change(Change::UNCHANGED));
|
|
} else if (pars_[pit].isInserted(pos)) {
|
|
if (pit == pars_size - 1) {
|
|
// we mark the par break at the end of the last
|
|
// paragraph unchanged
|
|
pars_[pit].setChange(pos, Change(Change::UNCHANGED));
|
|
} else {
|
|
mergeParagraph(bparams, pars_, pit);
|
|
--pit;
|
|
--pars_size;
|
|
}
|
|
}
|
|
}
|
|
|
|
// finally, invoke the DEPM
|
|
deleteEmptyParagraphMechanism(0, pars_size - 1, bparams.trackChanges);
|
|
}
|
|
|
|
|
|
void Text::deleteWordForward(Cursor & cur)
|
|
{
|
|
LASSERT(this == cur.text(), /**/);
|
|
if (cur.lastpos() == 0)
|
|
cursorForward(cur);
|
|
else {
|
|
cur.resetAnchor();
|
|
cur.setSelection(true);
|
|
cursorForwardOneWord(cur);
|
|
cur.setSelection();
|
|
cutSelection(cur, true, false);
|
|
cur.checkBufferStructure();
|
|
}
|
|
}
|
|
|
|
|
|
void Text::deleteWordBackward(Cursor & cur)
|
|
{
|
|
LASSERT(this == cur.text(), /**/);
|
|
if (cur.lastpos() == 0)
|
|
cursorBackward(cur);
|
|
else {
|
|
cur.resetAnchor();
|
|
cur.setSelection(true);
|
|
cursorBackwardOneWord(cur);
|
|
cur.setSelection();
|
|
cutSelection(cur, true, false);
|
|
cur.checkBufferStructure();
|
|
}
|
|
}
|
|
|
|
|
|
// Kill to end of line.
|
|
void Text::changeCase(Cursor & cur, TextCase action)
|
|
{
|
|
LASSERT(this == cur.text(), /**/);
|
|
CursorSlice from;
|
|
CursorSlice to;
|
|
|
|
bool gotsel = false;
|
|
if (cur.selection()) {
|
|
from = cur.selBegin();
|
|
to = cur.selEnd();
|
|
gotsel = true;
|
|
} else {
|
|
from = cur.top();
|
|
getWord(from, to, PARTIAL_WORD);
|
|
cursorForwardOneWord(cur);
|
|
}
|
|
|
|
cur.recordUndoSelection();
|
|
|
|
pit_type begPit = from.pit();
|
|
pit_type endPit = to.pit();
|
|
|
|
pos_type begPos = from.pos();
|
|
pos_type endPos = to.pos();
|
|
|
|
pos_type right = 0; // needed after the for loop
|
|
|
|
for (pit_type pit = begPit; pit <= endPit; ++pit) {
|
|
Paragraph & par = pars_[pit];
|
|
pos_type const pos = (pit == begPit ? begPos : 0);
|
|
right = (pit == endPit ? endPos : par.size());
|
|
par.changeCase(cur.buffer().params(), pos, right, action);
|
|
}
|
|
|
|
// the selection may have changed due to logically-only deleted chars
|
|
if (gotsel) {
|
|
setCursor(cur, begPit, begPos);
|
|
cur.resetAnchor();
|
|
setCursor(cur, endPit, right);
|
|
cur.setSelection();
|
|
} else
|
|
setCursor(cur, endPit, right);
|
|
|
|
cur.checkBufferStructure();
|
|
}
|
|
|
|
|
|
bool Text::handleBibitems(Cursor & cur)
|
|
{
|
|
if (cur.paragraph().layout().labeltype != LABEL_BIBLIO)
|
|
return false;
|
|
|
|
if (cur.pos() != 0)
|
|
return false;
|
|
|
|
BufferParams const & bufparams = cur.buffer().params();
|
|
Paragraph const & par = cur.paragraph();
|
|
Cursor prevcur = cur;
|
|
if (cur.pit() > 0) {
|
|
--prevcur.pit();
|
|
prevcur.pos() = prevcur.lastpos();
|
|
}
|
|
Paragraph const & prevpar = prevcur.paragraph();
|
|
|
|
// if a bibitem is deleted, merge with previous paragraph
|
|
// if this is a bibliography item as well
|
|
if (cur.pit() > 0 && par.layout() == prevpar.layout()) {
|
|
cur.recordUndo(ATOMIC_UNDO, prevcur.pit());
|
|
mergeParagraph(bufparams, cur.text()->paragraphs(),
|
|
prevcur.pit());
|
|
updateLabels(cur.buffer());
|
|
setCursorIntern(cur, prevcur.pit(), prevcur.pos());
|
|
cur.updateFlags(Update::Force);
|
|
return true;
|
|
}
|
|
|
|
// otherwise reset to default
|
|
cur.paragraph().setPlainOrDefaultLayout(bufparams.documentClass());
|
|
return true;
|
|
}
|
|
|
|
|
|
bool Text::erase(Cursor & cur)
|
|
{
|
|
LASSERT(this == cur.text(), /**/);
|
|
bool needsUpdate = false;
|
|
Paragraph & par = cur.paragraph();
|
|
|
|
if (cur.pos() != cur.lastpos()) {
|
|
// this is the code for a normal delete, not pasting
|
|
// any paragraphs
|
|
cur.recordUndo(DELETE_UNDO);
|
|
bool const was_inset = cur.paragraph().isInset(cur.pos());
|
|
if(!par.eraseChar(cur.pos(), cur.buffer().params().trackChanges))
|
|
// the character has been logically deleted only => skip it
|
|
cur.top().forwardPos();
|
|
|
|
if (was_inset)
|
|
updateLabels(cur.buffer());
|
|
else
|
|
cur.checkBufferStructure();
|
|
needsUpdate = true;
|
|
} else {
|
|
if (cur.pit() == cur.lastpit())
|
|
return dissolveInset(cur);
|
|
|
|
if (!par.isMergedOnEndOfParDeletion(cur.buffer().params().trackChanges)) {
|
|
par.setChange(cur.pos(), Change(Change::DELETED));
|
|
cur.forwardPos();
|
|
needsUpdate = true;
|
|
} else {
|
|
setCursorIntern(cur, cur.pit() + 1, 0);
|
|
needsUpdate = backspacePos0(cur);
|
|
}
|
|
}
|
|
|
|
needsUpdate |= handleBibitems(cur);
|
|
|
|
if (needsUpdate) {
|
|
// Make sure the cursor is correct. Is this really needed?
|
|
// No, not really... at least not here!
|
|
cur.text()->setCursor(cur.top(), cur.pit(), cur.pos());
|
|
cur.checkBufferStructure();
|
|
}
|
|
|
|
return needsUpdate;
|
|
}
|
|
|
|
|
|
bool Text::backspacePos0(Cursor & cur)
|
|
{
|
|
LASSERT(this == cur.text(), /**/);
|
|
if (cur.pit() == 0)
|
|
return false;
|
|
|
|
bool needsUpdate = false;
|
|
|
|
BufferParams const & bufparams = cur.buffer().params();
|
|
DocumentClass const & tclass = bufparams.documentClass();
|
|
ParagraphList & plist = cur.text()->paragraphs();
|
|
Paragraph const & par = cur.paragraph();
|
|
Cursor prevcur = cur;
|
|
--prevcur.pit();
|
|
prevcur.pos() = prevcur.lastpos();
|
|
Paragraph const & prevpar = prevcur.paragraph();
|
|
|
|
// is it an empty paragraph?
|
|
if (cur.lastpos() == 0
|
|
|| (cur.lastpos() == 1 && par.isSeparator(0))) {
|
|
cur.recordUndo(ATOMIC_UNDO, prevcur.pit(), cur.pit());
|
|
plist.erase(boost::next(plist.begin(), cur.pit()));
|
|
needsUpdate = true;
|
|
}
|
|
// is previous par empty?
|
|
else if (prevcur.lastpos() == 0
|
|
|| (prevcur.lastpos() == 1 && prevpar.isSeparator(0))) {
|
|
cur.recordUndo(ATOMIC_UNDO, prevcur.pit(), cur.pit());
|
|
plist.erase(boost::next(plist.begin(), prevcur.pit()));
|
|
needsUpdate = true;
|
|
}
|
|
// Pasting is not allowed, if the paragraphs have different
|
|
// layouts. I think it is a real bug of all other
|
|
// word processors to allow it. It confuses the user.
|
|
// Correction: Pasting is always allowed with standard-layout
|
|
// or the empty layout.
|
|
else if (par.layout() == prevpar.layout()
|
|
|| tclass.isDefaultLayout(par.layout())
|
|
|| tclass.isPlainLayout(par.layout())) {
|
|
cur.recordUndo(ATOMIC_UNDO, prevcur.pit());
|
|
mergeParagraph(bufparams, plist, prevcur.pit());
|
|
needsUpdate = true;
|
|
}
|
|
|
|
if (needsUpdate) {
|
|
updateLabels(cur.buffer());
|
|
setCursorIntern(cur, prevcur.pit(), prevcur.pos());
|
|
}
|
|
|
|
return needsUpdate;
|
|
}
|
|
|
|
|
|
bool Text::backspace(Cursor & cur)
|
|
{
|
|
LASSERT(this == cur.text(), /**/);
|
|
bool needsUpdate = false;
|
|
if (cur.pos() == 0) {
|
|
if (cur.pit() == 0)
|
|
return dissolveInset(cur);
|
|
|
|
Paragraph & prev_par = pars_[cur.pit() - 1];
|
|
|
|
if (!prev_par.isMergedOnEndOfParDeletion(cur.buffer().params().trackChanges)) {
|
|
prev_par.setChange(prev_par.size(), Change(Change::DELETED));
|
|
setCursorIntern(cur, cur.pit() - 1, prev_par.size());
|
|
return true;
|
|
}
|
|
// The cursor is at the beginning of a paragraph, so
|
|
// the backspace will collapse two paragraphs into one.
|
|
needsUpdate = backspacePos0(cur);
|
|
|
|
} else {
|
|
// this is the code for a normal backspace, not pasting
|
|
// any paragraphs
|
|
cur.recordUndo(DELETE_UNDO);
|
|
// We used to do cursorBackwardIntern() here, but it is
|
|
// not a good idea since it triggers the auto-delete
|
|
// mechanism. So we do a cursorBackwardIntern()-lite,
|
|
// without the dreaded mechanism. (JMarc)
|
|
setCursorIntern(cur, cur.pit(), cur.pos() - 1,
|
|
false, cur.boundary());
|
|
bool const was_inset = cur.paragraph().isInset(cur.pos());
|
|
cur.paragraph().eraseChar(cur.pos(), cur.buffer().params().trackChanges);
|
|
if (was_inset)
|
|
updateLabels(cur.buffer());
|
|
else
|
|
cur.checkBufferStructure();
|
|
}
|
|
|
|
if (cur.pos() == cur.lastpos())
|
|
cur.setCurrentFont();
|
|
|
|
needsUpdate |= handleBibitems(cur);
|
|
|
|
// A singlePar update is not enough in this case.
|
|
// cur.updateFlags(Update::Force);
|
|
setCursor(cur.top(), cur.pit(), cur.pos());
|
|
|
|
return needsUpdate;
|
|
}
|
|
|
|
|
|
bool Text::dissolveInset(Cursor & cur)
|
|
{
|
|
LASSERT(this == cur.text(), return false);
|
|
|
|
if (isMainText(cur.bv().buffer()) || cur.inset().nargs() != 1)
|
|
return false;
|
|
|
|
cur.recordUndoInset();
|
|
cur.setMark(false);
|
|
cur.selHandle(false);
|
|
// save position
|
|
pos_type spos = cur.pos();
|
|
pit_type spit = cur.pit();
|
|
ParagraphList plist;
|
|
if (cur.lastpit() != 0 || cur.lastpos() != 0)
|
|
plist = paragraphs();
|
|
cur.popBackward();
|
|
// store cursor offset
|
|
if (spit == 0)
|
|
spos += cur.pos();
|
|
spit += cur.pit();
|
|
Buffer & b = cur.buffer();
|
|
cur.paragraph().eraseChar(cur.pos(), b.params().trackChanges);
|
|
if (!plist.empty()) {
|
|
// ERT paragraphs have the Language latex_language.
|
|
// This is invalid outside of ERT, so we need to
|
|
// change it to the buffer language.
|
|
ParagraphList::iterator it = plist.begin();
|
|
ParagraphList::iterator it_end = plist.end();
|
|
for (; it != it_end; it++)
|
|
it->changeLanguage(b.params(), latex_language, b.language());
|
|
|
|
pasteParagraphList(cur, plist, b.params().documentClassPtr(),
|
|
b.errorList("Paste"));
|
|
// restore position
|
|
cur.pit() = min(cur.lastpit(), spit);
|
|
cur.pos() = min(cur.lastpos(), spos);
|
|
}
|
|
cur.clearSelection();
|
|
cur.resetAnchor();
|
|
return true;
|
|
}
|
|
|
|
|
|
void Text::getWord(CursorSlice & from, CursorSlice & to,
|
|
word_location const loc) const
|
|
{
|
|
Paragraph const & from_par = pars_[from.pit()];
|
|
switch (loc) {
|
|
case WHOLE_WORD_STRICT:
|
|
if (from.pos() == 0 || from.pos() == from_par.size()
|
|
|| !from_par.isLetter(from.pos())
|
|
|| !from_par.isLetter(from.pos() - 1)) {
|
|
to = from;
|
|
return;
|
|
}
|
|
// no break here, we go to the next
|
|
|
|
case WHOLE_WORD:
|
|
// If we are already at the beginning of a word, do nothing
|
|
if (!from.pos() || !from_par.isLetter(from.pos() - 1))
|
|
break;
|
|
// no break here, we go to the next
|
|
|
|
case PREVIOUS_WORD:
|
|
// always move the cursor to the beginning of previous word
|
|
while (from.pos() && from_par.isLetter(from.pos() - 1))
|
|
--from.pos();
|
|
break;
|
|
case NEXT_WORD:
|
|
LYXERR0("Text::getWord: NEXT_WORD not implemented yet");
|
|
break;
|
|
case PARTIAL_WORD:
|
|
// no need to move the 'from' cursor
|
|
break;
|
|
}
|
|
to = from;
|
|
Paragraph const & to_par = pars_[to.pit()];
|
|
while (to.pos() < to_par.size() && to_par.isLetter(to.pos()))
|
|
++to.pos();
|
|
}
|
|
|
|
|
|
void Text::write(Buffer const & buf, ostream & os) const
|
|
{
|
|
ParagraphList::const_iterator pit = paragraphs().begin();
|
|
ParagraphList::const_iterator end = paragraphs().end();
|
|
depth_type dth = 0;
|
|
for (; pit != end; ++pit)
|
|
pit->write(os, buf.params(), dth);
|
|
|
|
// Close begin_deeper
|
|
for(; dth > 0; --dth)
|
|
os << "\n\\end_deeper";
|
|
}
|
|
|
|
|
|
bool Text::read(Buffer const & buf, Lexer & lex,
|
|
ErrorList & errorList, InsetText * insetPtr)
|
|
{
|
|
depth_type depth = 0;
|
|
bool res = true;
|
|
|
|
while (lex.isOK()) {
|
|
lex.nextToken();
|
|
string const token = lex.getString();
|
|
|
|
if (token.empty())
|
|
continue;
|
|
|
|
if (token == "\\end_inset")
|
|
break;
|
|
|
|
if (token == "\\end_body")
|
|
continue;
|
|
|
|
if (token == "\\begin_body")
|
|
continue;
|
|
|
|
if (token == "\\end_document") {
|
|
res = false;
|
|
break;
|
|
}
|
|
|
|
if (token == "\\begin_layout") {
|
|
lex.pushToken(token);
|
|
|
|
Paragraph par;
|
|
par.setInsetOwner(insetPtr);
|
|
par.params().depth(depth);
|
|
par.setFont(0, Font(inherit_font, buf.params().language));
|
|
pars_.push_back(par);
|
|
|
|
// FIXME: goddamn InsetTabular makes us pass a Buffer
|
|
// not BufferParams
|
|
lyx::readParagraph(buf, pars_.back(), lex, errorList);
|
|
|
|
// register the words in the global word list
|
|
CursorSlice sl = CursorSlice(*insetPtr);
|
|
sl.pit() = pars_.size() - 1;
|
|
pars_.back().updateWords(sl);
|
|
} else if (token == "\\begin_deeper") {
|
|
++depth;
|
|
} else if (token == "\\end_deeper") {
|
|
if (!depth)
|
|
lex.printError("\\end_deeper: " "depth is already null");
|
|
else
|
|
--depth;
|
|
} else {
|
|
LYXERR0("Handling unknown body token: `" << token << '\'');
|
|
}
|
|
}
|
|
|
|
// avoid a crash on weird documents (bug 4859)
|
|
if (pars_.empty()) {
|
|
Paragraph par;
|
|
par.setInsetOwner(insetPtr);
|
|
par.params().depth(depth);
|
|
par.setFont(0, Font(inherit_font,
|
|
buf.params().language));
|
|
par.setPlainOrDefaultLayout(buf.params().documentClass());
|
|
pars_.push_back(par);
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
// Returns the current font and depth as a message.
|
|
docstring Text::currentState(Cursor const & cur) const
|
|
{
|
|
LASSERT(this == cur.text(), /**/);
|
|
Buffer & buf = cur.buffer();
|
|
Paragraph const & par = cur.paragraph();
|
|
odocstringstream os;
|
|
|
|
if (buf.params().trackChanges)
|
|
os << _("[Change Tracking] ");
|
|
|
|
Change change = par.lookupChange(cur.pos());
|
|
|
|
if (change.type != Change::UNCHANGED) {
|
|
Author const & a = buf.params().authors().get(change.author);
|
|
os << _("Change: ") << a.name();
|
|
if (!a.email().empty())
|
|
os << " (" << a.email() << ")";
|
|
// FIXME ctime is english, we should translate that
|
|
os << _(" at ") << ctime(&change.changetime);
|
|
os << " : ";
|
|
}
|
|
|
|
// I think we should only show changes from the default
|
|
// font. (Asger)
|
|
// No, from the document font (MV)
|
|
Font font = cur.real_current_font;
|
|
font.fontInfo().reduce(buf.params().getFont().fontInfo());
|
|
|
|
os << bformat(_("Font: %1$s"), font.stateText(&buf.params()));
|
|
|
|
// The paragraph depth
|
|
int depth = cur.paragraph().getDepth();
|
|
if (depth > 0)
|
|
os << bformat(_(", Depth: %1$d"), depth);
|
|
|
|
// The paragraph spacing, but only if different from
|
|
// buffer spacing.
|
|
Spacing const & spacing = par.params().spacing();
|
|
if (!spacing.isDefault()) {
|
|
os << _(", Spacing: ");
|
|
switch (spacing.getSpace()) {
|
|
case Spacing::Single:
|
|
os << _("Single");
|
|
break;
|
|
case Spacing::Onehalf:
|
|
os << _("OneHalf");
|
|
break;
|
|
case Spacing::Double:
|
|
os << _("Double");
|
|
break;
|
|
case Spacing::Other:
|
|
os << _("Other (") << from_ascii(spacing.getValueAsString()) << ')';
|
|
break;
|
|
case Spacing::Default:
|
|
// should never happen, do nothing
|
|
break;
|
|
}
|
|
}
|
|
|
|
#ifdef DEVEL_VERSION
|
|
os << _(", Inset: ") << &cur.inset();
|
|
os << _(", Paragraph: ") << cur.pit();
|
|
os << _(", Id: ") << par.id();
|
|
os << _(", Position: ") << cur.pos();
|
|
// FIXME: Why is the check for par.size() needed?
|
|
// We are called with cur.pos() == par.size() quite often.
|
|
if (!par.empty() && cur.pos() < par.size()) {
|
|
// Force output of code point, not character
|
|
size_t const c = par.getChar(cur.pos());
|
|
os << _(", Char: 0x") << hex << c;
|
|
}
|
|
os << _(", Boundary: ") << cur.boundary();
|
|
// Row & row = cur.textRow();
|
|
// os << bformat(_(", Row b:%1$d e:%2$d"), row.pos(), row.endpos());
|
|
#endif
|
|
return os.str();
|
|
}
|
|
|
|
|
|
docstring Text::getPossibleLabel(Cursor const & cur) const
|
|
{
|
|
pit_type pit = cur.pit();
|
|
|
|
Layout const * layout = &(pars_[pit].layout());
|
|
|
|
docstring text;
|
|
docstring par_text = pars_[pit].asString();
|
|
string piece;
|
|
// the return string of math matrices might contain linebreaks
|
|
par_text = subst(par_text, '\n', '-');
|
|
for (int i = 0; i < lyxrc.label_init_length; ++i) {
|
|
if (par_text.empty())
|
|
break;
|
|
docstring head;
|
|
par_text = split(par_text, head, ' ');
|
|
// Is it legal to use spaces in labels ?
|
|
if (i > 0)
|
|
text += '-';
|
|
text += head;
|
|
}
|
|
|
|
// No need for a prefix if the user said so.
|
|
if (lyxrc.label_init_length <= 0)
|
|
return text;
|
|
|
|
// Will contain the label type.
|
|
docstring name;
|
|
|
|
// For section, subsection, etc...
|
|
if (layout->latextype == LATEX_PARAGRAPH && pit != 0) {
|
|
Layout const * layout2 = &(pars_[pit - 1].layout());
|
|
if (layout2->latextype != LATEX_PARAGRAPH) {
|
|
--pit;
|
|
layout = layout2;
|
|
}
|
|
}
|
|
if (layout->latextype != LATEX_PARAGRAPH)
|
|
name = from_ascii(layout->latexname());
|
|
|
|
// for captions, we just take the caption type
|
|
Inset * caption_inset = cur.innerInsetOfType(CAPTION_CODE);
|
|
if (caption_inset)
|
|
name = from_ascii(static_cast<InsetCaption *>(caption_inset)->type());
|
|
|
|
// If none of the above worked, we'll see if we're inside various
|
|
// types of insets and take our abbreviation from them.
|
|
if (name.empty()) {
|
|
InsetCode const codes[] = {
|
|
FLOAT_CODE,
|
|
WRAP_CODE,
|
|
FOOT_CODE
|
|
};
|
|
for (unsigned int i = 0; i < (sizeof codes / sizeof codes[0]); ++i) {
|
|
Inset * float_inset = cur.innerInsetOfType(codes[i]);
|
|
if (float_inset) {
|
|
name = float_inset->name();
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Create a correct prefix for prettyref
|
|
if (name == "theorem")
|
|
name = from_ascii("thm");
|
|
else if (name == "Foot")
|
|
name = from_ascii("fn");
|
|
else if (name == "listing")
|
|
name = from_ascii("lst");
|
|
|
|
if (!name.empty())
|
|
text = name.substr(0, 3) + ':' + text;
|
|
|
|
return text;
|
|
}
|
|
|
|
|
|
docstring Text::asString(int options) const
|
|
{
|
|
return asString(0, pars_.size(), options);
|
|
}
|
|
|
|
|
|
docstring Text::asString(pit_type beg, pit_type end, int options) const
|
|
{
|
|
size_t i = size_t(beg);
|
|
docstring str = pars_[i].asString(options);
|
|
for (++i; i != size_t(end); ++i) {
|
|
str += '\n';
|
|
str += pars_[i].asString(options);
|
|
}
|
|
return str;
|
|
}
|
|
|
|
|
|
|
|
void Text::charsTranspose(Cursor & cur)
|
|
{
|
|
LASSERT(this == cur.text(), /**/);
|
|
|
|
pos_type pos = cur.pos();
|
|
|
|
// If cursor is at beginning or end of paragraph, do nothing.
|
|
if (pos == cur.lastpos() || pos == 0)
|
|
return;
|
|
|
|
Paragraph & par = cur.paragraph();
|
|
|
|
// Get the positions of the characters to be transposed.
|
|
pos_type pos1 = pos - 1;
|
|
pos_type pos2 = pos;
|
|
|
|
// In change tracking mode, ignore deleted characters.
|
|
while (pos2 < cur.lastpos() && par.isDeleted(pos2))
|
|
++pos2;
|
|
if (pos2 == cur.lastpos())
|
|
return;
|
|
|
|
while (pos1 >= 0 && par.isDeleted(pos1))
|
|
--pos1;
|
|
if (pos1 < 0)
|
|
return;
|
|
|
|
// Don't do anything if one of the "characters" is not regular text.
|
|
if (par.isInset(pos1) || par.isInset(pos2))
|
|
return;
|
|
|
|
// Store the characters to be transposed (including font information).
|
|
char_type const char1 = par.getChar(pos1);
|
|
Font const font1 =
|
|
par.getFontSettings(cur.buffer().params(), pos1);
|
|
|
|
char_type const char2 = par.getChar(pos2);
|
|
Font const font2 =
|
|
par.getFontSettings(cur.buffer().params(), pos2);
|
|
|
|
// And finally, we are ready to perform the transposition.
|
|
// Track the changes if Change Tracking is enabled.
|
|
bool const trackChanges = cur.buffer().params().trackChanges;
|
|
|
|
cur.recordUndo();
|
|
|
|
par.eraseChar(pos2, trackChanges);
|
|
par.eraseChar(pos1, trackChanges);
|
|
par.insertChar(pos1, char2, font2, trackChanges);
|
|
par.insertChar(pos2, char1, font1, trackChanges);
|
|
|
|
cur.checkBufferStructure();
|
|
|
|
// After the transposition, move cursor to after the transposition.
|
|
setCursor(cur, cur.pit(), pos2);
|
|
cur.forwardPos();
|
|
}
|
|
|
|
|
|
DocIterator Text::macrocontextPosition() const
|
|
{
|
|
return macrocontext_position_;
|
|
}
|
|
|
|
|
|
void Text::setMacrocontextPosition(DocIterator const & pos)
|
|
{
|
|
macrocontext_position_ = pos;
|
|
}
|
|
|
|
|
|
docstring Text::previousWord(CursorSlice const & sl) const
|
|
{
|
|
CursorSlice from = sl;
|
|
CursorSlice to = sl;
|
|
getWord(from, to, PREVIOUS_WORD);
|
|
if (sl == from || to == from)
|
|
return docstring();
|
|
|
|
Paragraph const & par = sl.paragraph();
|
|
return par.asString(from.pos(), to.pos());
|
|
}
|
|
|
|
|
|
bool Text::completionSupported(Cursor const & cur) const
|
|
{
|
|
Paragraph const & par = cur.paragraph();
|
|
return cur.pos() > 0
|
|
&& (cur.pos() >= par.size() || !par.isLetter(cur.pos()))
|
|
&& par.isLetter(cur.pos() - 1);
|
|
}
|
|
|
|
|
|
CompletionList const * Text::createCompletionList(Cursor const & cur) const
|
|
{
|
|
return new TextCompletionList(cur);
|
|
}
|
|
|
|
|
|
bool Text::insertCompletion(Cursor & cur, docstring const & s, bool /*finished*/)
|
|
{
|
|
LASSERT(cur.bv().cursor() == cur, /**/);
|
|
cur.insert(s);
|
|
cur.bv().cursor() = cur;
|
|
if (!(cur.disp_.update() & Update::Force))
|
|
cur.updateFlags(cur.disp_.update() | Update::SinglePar);
|
|
return true;
|
|
}
|
|
|
|
|
|
docstring Text::completionPrefix(Cursor const & cur) const
|
|
{
|
|
return previousWord(cur.top());
|
|
}
|
|
|
|
} // namespace lyx
|