    ChartsWidget *charts_widget;
    QWidget *floating_window = nullptr;
    QVBoxLayout *charts_layout;
    QProgressBar *progress_bar;
    QJsonDocument fingerprint_to_dbc;
    QSplitter *video_splitter;;
    QString current_file = "";
    enum { MAX_RECENT_FILES = 15 };
    QAction *recent_files_acts[MAX_RECENT_FILES] = {};
    QMenu *open_recent_menu = nullptr;
 
</s>
  QLabel *status_label;
    ChartsWidget *charts_widget;
    QWidget *floating_window = nullptr;
    QVBoxLayout *charts_layout;
    QProgressBar *progress_bar;
  QLabel *status_label;
    QJsonDocument fingerprint_to_dbc;
    QSplitter *video_splitter;;
    QString current_file = "";
    enum { MAX_RECENT_FILES = 15 };
    QAction *recent_files_acts[MAX_RECENT_FILES] = {};
    QMenu *open_recent_menu = nullptr;
keep keep keep add keep keep keep keep keep keep
 cabana: dispaly current FPS & cached minitues on statusbar (#27430)

dispaly current FPS & cached minitues on statusbar
tools/cabana/mainwin.h