Function wheelEventPixels

external/.scrollLibs.js:6176–6181

(e)

    return { x: dx, y: dy }
  }
  function wheelEventPixels(e) {
    var delta = wheelEventDelta(e)
    delta.x *= wheelPixelsPerUnit
    delta.y *= wheelPixelsPerUnit
    return delta
  }

  function onScrollWheel(cm, e) {
    var delta = wheelEventDelta(e),