-private Q_SLOTS:
- void show_session_error(
- const QString text, const QString info_text);
-
- void on_actionOpen_triggered();
- void on_actionSaveAs_triggered();
- void on_actionSaveSelectionAs_triggered();
- void on_actionQuit_triggered();
-
- void on_actionConnect_triggered();
-
- void on_actionViewZoomIn_triggered();
-
- void on_actionViewZoomOut_triggered();
-
- void on_actionViewZoomFit_triggered();
-
- void on_actionViewZoomOneToOne_triggered();