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120 lines
3.5 KiB
C++
120 lines
3.5 KiB
C++
/* This file is part of the KDE libraries
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Copyright (C) 2023 Ivailo Monev <xakepa10@gmail.com>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License version 2, as published by the Free Software Foundation.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#include "kspellhighlighter.h"
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#include "kspeller.h"
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#include "kcolorscheme.h"
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#include "kdebug.h"
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class KSpellHighlighterPrivate
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{
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public:
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KSpellHighlighterPrivate(KConfig *config);
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KSpeller speller;
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QTextCharFormat emptyformat;
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QTextCharFormat spellformat;
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};
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KSpellHighlighterPrivate::KSpellHighlighterPrivate(KConfig *config)
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: speller(config)
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{
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spellformat.setFontUnderline(true);
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spellformat.setUnderlineStyle(QTextCharFormat::SpellCheckUnderline);
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// NOTE: same as the default of Kate
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spellformat.setUnderlineColor(KColorScheme(QPalette::Active, KColorScheme::View).foreground(KColorScheme::NegativeText).color());
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}
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KSpellHighlighter::KSpellHighlighter(KConfig *config, QTextEdit *parent)
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: QSyntaxHighlighter(parent),
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d(new KSpellHighlighterPrivate(config))
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{
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}
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KSpellHighlighter::~KSpellHighlighter()
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{
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delete d;
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}
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QString KSpellHighlighter::currentLanguage() const
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{
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return d->speller.dictionary();
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}
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void KSpellHighlighter::setCurrentLanguage(const QString &lang)
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{
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d->speller.setDictionary(lang);
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rehighlight();
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}
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void KSpellHighlighter::addWordToDictionary(const QString &word)
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{
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d->speller.addToPersonal(word);
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}
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void KSpellHighlighter::ignoreWord(const QString &word)
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{
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d->speller.addToSession(word);
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}
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QStringList KSpellHighlighter::suggestionsForWord(const QString &word, int max)
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{
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QStringList result = d->speller.suggest(word);
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// qDebug() << Q_FUNC_INFO << result << max;
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while (result.size() > max) {
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result.removeLast();
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}
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return result;
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}
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bool KSpellHighlighter::isWordMisspelled(const QString &word)
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{
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return !d->speller.check(word);
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}
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void KSpellHighlighter::highlightBlock(const QString &text)
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{
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// qDebug() << Q_FUNC_INFO << text.size() << d->speller.dictionary();
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if (text.isEmpty() || d->speller.dictionary().isEmpty()) {
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return;
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}
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int wordstart = -1;
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int counter = 0;
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while (counter < text.size()) {
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const bool atseparator = KSpeller::isWordSeparator(text.at(counter));
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if (!atseparator && wordstart == -1) {
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wordstart = counter;
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} else if ((atseparator || (counter + 1) == text.size()) && wordstart != -1) {
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const QString word = text.mid(wordstart, counter - wordstart + (atseparator ? 0 : 1));
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// not worth checking if it is less than two characters
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if (word.size() >= 2) {
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if (!d->speller.check(word)) {
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setFormat(wordstart, word.size(), d->spellformat);
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} else {
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setFormat(wordstart, word.size(), d->emptyformat);
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}
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}
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wordstart = -1;
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}
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counter++;
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}
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}
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#include "moc_kspellhighlighter.cpp"
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