edit_toolbar.button_clicked.connect (on_delete_button_clicked);
edit_toolbar.arrow_clicked.connect (leave_edit_mode);
search_field.changed.connect (on_search_field_changed);
close_button.clicked.connect (on_close_button_clicked);
key_press_event.connect (on_key_press_event);
movie_list.movie_activated.connect (on_movie_activated);
edit_toolbar.button_clicked.connect (on_delete_button_clicked);
edit_toolbar.arrow_clicked.connect (leave_edit_mode);
search_field.changed.connect (on_search_field_changed);
close_button.clicked.connect (on_close_button_clicked);
key_press_event.connect (on_key_press_event);
movie_list.movie_activated.connect (on_movie_activated);