/*
    SPDX-FileCopyrightText: 2003 Zack Rusin <zack@kde.org>
    SPDX-FileCopyrightText: 2009-2010 Michel Ludwig <michel.ludwig@kdemail.net>

    SPDX-License-Identifier: LGPL-2.0-or-later
*/

#ifndef SPELLCHECK_BAR_H
#define SPELLCHECK_BAR_H

#include "kateviewhelpers.h"

class QListWidgetItem;
class QModelIndex;

namespace Sonnet
{
class BackgroundChecker;
}

/**
 * @short Spellcheck dialog
 *
 * \code
 * Sonnet::SpellCheckBar dlg = new Sonnet::SpellCheckBar(
 *       new Sonnet::BackgroundChecker(this), this);
 * //connect signals
 * ...
 * dlg->setBuffer( someText );
 * dlg->show();
 * \endcode
 *
 * You can change buffer inside a slot connected to done() signal
 * and spellcheck will continue with new data automatically.
 */
class SpellCheckBar : public KateViewBarWidget
{
    Q_OBJECT
public:
    SpellCheckBar(Sonnet::BackgroundChecker *checker, QWidget *parent);
    ~SpellCheckBar() override;

    QString originalBuffer() const;
    QString buffer() const;

    void closed() override;

    void show();
    void activeAutoCorrect(bool _active);

    /**
     * Controls whether an (indefinite) progress dialog is shown when the spell
     * checking takes longer than the given time to complete. By default no
     * progress dialog is shown. If the progress dialog is set to be shown, no
     * time consuming operation (for example, showing a notification message) should
     * be performed in a slot connected to the 'done' signal as this might trigger
     * the progress dialog unnecessarily.
     *
     * @param timeout time after which the progress dialog should appear; a negative
     *                value can be used to hide it
     * @since 4.4
     */
    void showProgressDialog(int timeout = 500);

    /**
     * Controls whether a message box indicating the completion of the spell checking
     * is shown or not. By default it is not shown.
     *
     * @since 4.4
     */
    void showSpellCheckCompletionMessage(bool b = true);

    /**
     * Controls whether the spell checking is continued after the replacement of a
     * misspelled word has been performed. By default it is continued.
     *
     * @since 4.4
     */
    void setSpellCheckContinuedAfterReplacement(bool b);

public Q_SLOTS:
    void setBuffer(const QString &);

Q_SIGNALS:
    /**
     * The dialog won't be closed if you setBuffer() in slot connected to this signal
     *
     * Also emitted after stop() signal
     */
    void done(const QString &newBuffer);
    void misspelling(const QString &word, int start);
    void replace(const QString &oldWord, int start, const QString &newWord);

    void stop();
    void cancel();
    void autoCorrect(const QString &currentWord, const QString &replaceWord);

    /**
     * Signal sends when spell checking is finished/stopped/completed
     * @since 4.1
     */
    void spellCheckStatus(const QString &);

    /**
     * Emitted when the user changes the language used for spellchecking,
     * which is shown in a combobox of this dialog.
     *
     * @param language the new language the user selected
     * @since 4.1
     */
    void languageChanged(const QString &language);

private Q_SLOTS:
    void slotMisspelling(const QString &word, int start);
    void slotDone();

    void slotCancel();

    void slotAddWord();
    void slotReplaceWord();
    void slotReplaceAll();
    void slotSkip();
    void slotSkipAll();
    void slotSuggest();
    void slotChangeLanguage(const QString &);
    void slotAutocorrect();

    void setGuiEnabled(bool b);
    void setProgressDialogVisible(bool b);

private:
    void updateDialog(const QString &word);
    void fillDictionaryComboBox();
    void updateDictionaryComboBox();
    void fillSuggestions(const QStringList &suggs);
    void initConnections();
    void initGui();
    void continueChecking();

private:
    class Private;
    Private *const d;
};

#endif