main.h

#ifndef MAINWINDOW_H
#define MAINWINDOW_H

#include <QDir>
#include <QMainWindow>
#include <QApplication>
#include <QtSql/QSqlDatabase>
#include <QtCore/QThread>
#include <QtCore/QArgument>
#include <QtCore/QDateTime>
#include <QtCore/QFileInfo>
#include <QtWidgets/QFileDialog>
#include <QtWidgets/QCheckBox>
#include <QtWidgets/QComboBox>
#include <QtWidgets/QTextEdit>
#include <QtWidgets/QLineEdit>
#include <QQueue>

namespace Ui {
    class MainWindow;
}

class MainWindow : public QMainWindow {
Q_OBJECT

public:
    explicit MainWindow(QWidget *parent = nullptr);
    void on_file_chooser_dst_clicked();
    void on_file_chooser_src_clicked();
    void on_button_go_clicked();
    void on_button_clear_clicked();
    void on_line_edit_text_edited(const QString &str);
    QList<QList<QVariant>> get_duplicates_from_hash(QString hash);

    void sqlite_init();
    void sqlite_term();
    void sqlite_create_database();
    void sqlite_fill_database(QSqlQuery &query);
    void sqlite_check_query(QSqlQuery &query);

    QList<QString> get_hashes_from_name(const QString name);
    void go_initialize();
    static void run_copy_thread(MainWindow *w);
    static void run_init_thread(MainWindow *w);

    static void messageHandler(QtMsgType type, const QMessageLogContext &context, const QString &msg);

    /*
     * Widgets
     */

    const QPushButton *button_go;
    const QPushButton *button_clear;
    const QCheckBox *option_copy;
    const QCheckBox *option_rename;
    const QComboBox *combobox_game;
    QTextEdit *text_edit_right;
    const QTextEdit *text_edit_left;
    const QPushButton *file_chooser_dst;
    const QPushButton *file_chooser_src;
    QSqlDatabase database;
    const QString file_database = "database.db";
    const QLineEdit *line_edit_search;
    QStringList plaintext_backup;
    QString html_backup;

    QString path_dest = QDir::currentPath();
    QFileInfoList file_paths;
    QRegularExpression regex_hash = QRegularExpression("(0x[a-fA-F0-9]{8})");

    std::thread thread_init;
    std::thread thread_copy;
    QQueue<QPair<QString, QString>> copy_queue;

    bool file_mode;
    bool copy_mode;
    bool rename_mode;

    ~MainWindow() override;
    Ui::MainWindow *ui;
    void go_rename_mode();
    void go_normal_mode();
};

#endif