spellcheckdecorator.h

/*
 * spellcheckdecorator.h
 *
 * SPDX-FileCopyrightText: 2013 Aurélien Gâteau <[email protected]>
 *
 * SPDX-License-Identifier: LGPL-2.1-or-later
 */
#ifndef SPELLCHECKDECORATOR_H
#define SPELLCHECKDECORATOR_H
 
#include <QObject>
 
#include <memory>
 
#include "sonnetui_export.h"
 
class QTextEdit;
class QPlainTextEdit;
 
namespace Sonnet
{
class SpellCheckDecoratorPrivate;
class Highlighter;
 
/**
 * @class Sonnet::SpellCheckDecorator spellcheckdecorator.h <Sonnet/SpellCheckDecorator>
 *
 * @short Connects a Sonnet::Highlighter to a QTextEdit extending the context menu
 * of the text edit with spell check suggestions
 * @author Aurélien Gâteau <[email protected]>
 * @since 5.0
 **/
 
class SONNETUI_EXPORT SpellCheckDecorator : public QObject
{
    Q_OBJECT
public:
    /**
     * Creates a spell-check decorator.
     *
     * @param textEdit the QTextEdit in need of spell-checking. It also is used as the QObject parent for the decorator.
     */
    explicit SpellCheckDecorator(QTextEdit *textEdit);
 
    /**
     * Creates a spell-check decorator.
     *
     * @param textEdit the QPlainTextEdit in need of spell-checking. It also is used as the QObject parent for the decorator.
     * @since 5.12
     */
    explicit SpellCheckDecorator(QPlainTextEdit *textEdit);
 
    ~SpellCheckDecorator() override;
 
    /**
     * Set a custom highlighter on the decorator.
     *
     * SpellCheckDecorator does not take ownership of the new highlighter,
     * and you must manually delete the old highlighter.
     */
    void setHighlighter(Highlighter *highlighter);
 
    /**
     * Returns the hightlighter used by the decorator
     */
    Highlighter *highlighter() const;
 
protected:
    bool eventFilter(QObject *obj, QEvent *event) override;
 
    /**
     * Returns true if the spell checking should be enabled for a given block of text
     * The default implementation always returns true.
     */
    virtual bool isSpellCheckingEnabledForBlock(const QString &textBlock) const;
 
private:
    friend SpellCheckDecoratorPrivate;
    const std::unique_ptr<SpellCheckDecoratorPrivate> d;
 
    Q_DISABLE_COPY(SpellCheckDecorator)
};
}
 
#endif /* SPELLCHECKDECORATOR_H */