         
         toolCounterButton = UIBarButtonItem(customView: toolCounterLabel)
         
-        // close
-        
-        // delete
+        // starting setting
+        setStartupValue()
         setCustomSetting()
         setSettingCloseButton()
         setSettingDeleteButton()

        } else {
            return areControlsHidden()
        }
    }
    
    // MARK: - setting of buttons

    private var isViewActive: Bool = false
    private var isPerformingLayout: Bool = false
    private var isStatusBarOriginallyHidden: Bool = false
    private var startOrientation: Int!
    
    // scroll property
    private var firstX: CGFloat = 0.0
