         stopDragging()
         @editor.finalizeSelections()
         @editor.mergeIntersectingSelections()
-      pasteSelectionClipboard(event)
 
     stopDragging = ->
       dragging = false

    @presenter.invalidateBlockDecorationDimensions(arguments...)

  onMouseDown: (event) =>
    unless event.button is 0 or (event.button is 1 and process.platform is 'linux')
      # Only handle mouse down events for left mouse button on all platforms
      # and middle mouse button on Linux since it pastes the selection clipboard
      return

    return if event.target?.classList.contains('horizontal-scrollbar')


    scaleScrollDelta = (scrollDelta) ->
      Math.pow(scrollDelta / 2, 3) / 280

    window.addEventListener('mousemove', onMouseMove)
    window.addEventListener('mouseup', onMouseUp)
