         @pendingVerticalScrollDelta = 0
         @pendingHorizontalScrollDelta = 0
 
-  clearMouseWheelScreenRow: ->
-    if @mouseWheelScreenRow?
-      @mouseWheelScreenRow = null
-      @requestUpdate()
-
-  clearMouseWheelScreenRowAfterDelay: null # created lazily
-
   onScrollViewOverflowChanged: ->
     if @overflowChangedEventsPaused
       @overflowChangedWhilePaused = true


    @selectToMousePositionUntilMouseUp(event)

  selectToMousePositionUntilMouseUp: (event) ->
    {editor} = @props
    dragging = false

        measuringScrollbars: @measuringScrollbars
        height: horizontalScrollbarHeight
        width: verticalScrollbarWidth

  getInitialState: ->
    visible: true
