+++ /dev/null
-/**
- * \file ControlSpellchecker.cpp
- * This file is part of LyX, the document processor.
- * Licence details can be found in the file COPYING.
- *
- * \author Edwin Leuven
- *
- * Full author contact details are available in file CREDITS.
- */
-
-#include <config.h>
-
-#include "ControlSpellchecker.h"
-
-#include "buffer.h"
-#include "bufferparams.h"
-#include "BufferView.h"
-#include "cursor.h"
-#include "CutAndPaste.h"
-#include "debug.h"
-#include "gettext.h"
-#include "language.h"
-#include "lyxrc.h"
-#include "paragraph.h"
-
-#if defined(USE_ASPELL)
-# include "aspell_local.h"
-#elif defined(USE_PSPELL)
-# include "pspell.h"
-#endif
-
-#if defined(USE_ISPELL)
-# include "ispell.h"
-#else
-# include "SpellBase.h"
-#endif
-
-#include "support/textutils.h"
-#include "support/convert.h"
-#include "support/docstring.h"
-
-#include "frontends/Alert.h"
-// FIXME: those two headers are needed because of the
-// WorkArea::redraw() call below.
-#include "frontends/LyXView.h"
-#include "frontends/WorkArea.h"
-
-using std::advance;
-using std::distance;
-using std::endl;
-using std::string;
-
-namespace lyx {
-
-using support::bformat;
-using support::contains;
-
-namespace frontend {
-
-
-ControlSpellchecker::ControlSpellchecker(Dialog & parent)
- : Dialog::Controller(parent), exitEarly_(false),
- oldval_(0), newvalue_(0), count_(0)
-{
-}
-
-
-ControlSpellchecker::~ControlSpellchecker()
-{}
-
-
-namespace {
-
-SpellBase * getSpeller(BufferParams const & bp)
-{
- string lang = (lyxrc.isp_use_alt_lang)
- ? lyxrc.isp_alt_lang
- : bp.language->code();
-
-#if defined(USE_ASPELL)
- if (lyxrc.use_spell_lib)
- return new ASpell(bp, lang);
-#elif defined(USE_PSPELL)
- if (lyxrc.use_spell_lib)
- return new PSpell(bp, lang);
-#endif
-
-#if defined(USE_ISPELL)
- lang = (lyxrc.isp_use_alt_lang) ?
- lyxrc.isp_alt_lang : bp.language->lang();
-
- return new ISpell(bp, lang);
-#else
- return new SpellBase;
-#endif
-}
-
-} // namespace anon
-
-
-bool ControlSpellchecker::initialiseParams(std::string const &)
-{
- LYXERR(Debug::GUI) << "Spellchecker::initialiseParams" << endl;
-
- speller_.reset(getSpeller(kernel().buffer().params()));
- if (!speller_.get())
- return false;
-
- // reset values to initial
- oldval_ = 0;
- newvalue_ = 0;
- count_ = 0;
-
- bool const success = speller_->error().empty();
-
- if (!success) {
- Alert::error(_("Spellchecker error"),
- _("The spellchecker could not be started\n")
- + speller_->error());
- speller_.reset(0);
- }
-
- return success;
-}
-
-
-void ControlSpellchecker::clearParams()
-{
- LYXERR(Debug::GUI) << "Spellchecker::clearParams" << endl;
- speller_.reset(0);
-}
-
-
-namespace {
-
-bool isLetter(DocIterator const & dit)
-{
- return dit.inTexted()
- && dit.inset().allowSpellCheck()
- && dit.pos() != dit.lastpos()
- && (dit.paragraph().isLetter(dit.pos())
- // We want to pass the ' and escape chars to ispell
- || contains(lyx::from_utf8(lyxrc.isp_esc_chars + '\''),
- dit.paragraph().getChar(dit.pos())))
- && !dit.paragraph().isDeleted(dit.pos());
-}
-
-
-WordLangTuple nextWord(LCursor & cur, ptrdiff_t & progress)
-{
- BufferParams const & bp = cur.bv().buffer()->params();
- bool inword = false;
- bool ignoreword = false;
- cur.resetAnchor();
- docstring word;
- string lang_code;
-
- while (cur.depth()) {
- if (isLetter(cur)) {
- if (!inword) {
- inword = true;
- ignoreword = false;
- cur.resetAnchor();
- word.clear();
- lang_code = cur.paragraph().getFontSettings(bp, cur.pos()).language()->code();
- }
- // Insets like optional hyphens and ligature
- // break are part of a word.
- if (!cur.paragraph().isInset(cur.pos())) {
- Paragraph::value_type const c =
- cur.paragraph().getChar(cur.pos());
- word += c;
- if (isDigit(c))
- ignoreword = true;
- }
- } else { // !isLetter(cur)
- if (inword)
- if (!word.empty() && !ignoreword) {
- cur.setSelection();
- return WordLangTuple(word, lang_code);
- } else
- inword = false;
- }
-
- cur.forwardPos();
- ++progress;
- }
-
- return WordLangTuple(docstring(), string());
-}
-
-} // namespace anon
-
-
-
-void ControlSpellchecker::check()
-{
- LYXERR(Debug::GUI) << "Check the spelling of a word" << endl;
-
- SpellBase::Result res = SpellBase::OK;
-
- LCursor cur = kernel().bufferview()->cursor();
- while (cur && cur.pos() && isLetter(cur)) {
- cur.backwardPos();
- }
-
- ptrdiff_t start = 0, total = 0;
- DocIterator it = DocIterator(kernel().buffer().inset());
- for (start = 0; it != cur; it.forwardPos())
- ++start;
-
- for (total = start; it; it.forwardPos())
- ++total;
-
- exitEarly_ = false;
-
- while (res == SpellBase::OK || res == SpellBase::IGNORED_WORD) {
- word_ = nextWord(cur, start);
-
- // end of document
- if (getWord().empty()) {
- showSummary();
- exitEarly_ = true;
- return;
- }
-
- ++count_;
-
- // Update slider if and only if value has changed
- float progress = total ? float(start)/total : 1;
- newvalue_ = int(100.0 * progress);
- if (newvalue_!= oldval_) {
- LYXERR(Debug::GUI) << "Updating spell progress." << endl;
- oldval_ = newvalue_;
- // set progress bar
- dialog().view().partialUpdate(SPELL_PROGRESSED);
- }
-
- // speller might be dead ...
- if (!checkAlive())
- return;
-
- res = speller_->check(word_);
-
- // ... or it might just be reporting an error
- if (!checkAlive())
- return;
- }
-
- LYXERR(Debug::GUI) << "Found word \"" << to_utf8(getWord()) << "\"" << endl;
-
- int const size = cur.selEnd().pos() - cur.selBegin().pos();
- cur.pos() -= size;
- kernel().bufferview()->putSelectionAt(cur, size, false);
- // FIXME: if we used a lfun like in find/replace, dispatch would do
- // that for us
- kernel().bufferview()->update();
- // FIXME: this Controller is very badly designed...
- kernel().lyxview().currentWorkArea()->redraw();
-
- // set suggestions
- if (res != SpellBase::OK && res != SpellBase::IGNORED_WORD) {
- LYXERR(Debug::GUI) << "Found a word needing checking." << endl;
- dialog().view().partialUpdate(SPELL_FOUND_WORD);
- }
-}
-
-
-bool ControlSpellchecker::checkAlive()
-{
- if (speller_->alive() && speller_->error().empty())
- return true;
-
- docstring message;
- if (speller_->error().empty())
- message = _("The spellchecker has died for some reason.\n"
- "Maybe it has been killed.");
- else
- message = _("The spellchecker has failed.\n") + speller_->error();
-
- dialog().CancelButton();
-
- Alert::error(_("The spellchecker has failed"), message);
- return false;
-}
-
-
-void ControlSpellchecker::showSummary()
-{
- if (!checkAlive() || count_ == 0) {
- dialog().CancelButton();
- return;
- }
-
- docstring message;
- if (count_ != 1)
- message = bformat(_("%1$d words checked."), count_);
- else
- message = _("One word checked.");
-
- dialog().CancelButton();
- Alert::information(_("Spelling check completed"), message);
-}
-
-
-void ControlSpellchecker::replace(docstring const & replacement)
-{
- LYXERR(Debug::GUI) << "ControlSpellchecker::replace("
- << to_utf8(replacement) << ")" << std::endl;
- BufferView & bufferview = *kernel().bufferview();
- cap::replaceSelectionWithString(bufferview.cursor(), replacement, true);
- kernel().buffer().markDirty();
- // If we used an LFUN, we would not need that
- bufferview.update();
- // fix up the count
- --count_;
- check();
-}
-
-
-void ControlSpellchecker::replaceAll(docstring const & replacement)
-{
- // TODO: add to list
- replace(replacement);
-}
-
-
-void ControlSpellchecker::insert()
-{
- speller_->insert(word_);
- check();
-}
-
-
-docstring const ControlSpellchecker::getSuggestion() const
-{
- return speller_->nextMiss();
-}
-
-
-docstring const ControlSpellchecker::getWord() const
-{
- return word_.word();
-}
-
-
-void ControlSpellchecker::ignoreAll()
-{
- speller_->accept(word_);
- check();
-}
-
-} // namespace frontend
-} // namespace lyx
projects / lyx.git / blobdiff