connect(ui->set_comment_btn, &QPushButton::clicked, this, &MainWindow::set_comment_clicked);
connect(ui->set_and_show_comment_btn, &QPushButton::clicked, this, &MainWindow::set_and_show_comment_clicked);
connect(ui->hide_comment_btn, &QPushButton::clicked, this, &MainWindow::hide_comment_clicked);
connect(ui->set_and_show_autocomment_btn, &QPushButton::clicked, this, &MainWindow::set_and_show_autocomment_clicked);
connect(ui->set_comment_btn, &QPushButton::clicked, this, &MainWindow::set_comment_clicked);
connect(ui->set_and_show_comment_btn, &QPushButton::clicked, this, &MainWindow::set_and_show_comment_clicked);
connect(ui->hide_comment_btn, &QPushButton::clicked, this, &MainWindow::hide_comment_clicked);
connect(ui->set_and_show_autocomment_btn, &QPushButton::clicked, this, &MainWindow::set_and_show_autocomment_clicked);