Function eventInWidget

static/js/codemirror/codemirror.js:1501–1507

(display, e)

  }

  function eventInWidget(display, e) {
    for (var n = e_target(e); n != display.wrapper; n = n.parentNode) {
      if (!n) return true;
      if (/\bCodeMirror-(?:line)?widget\b/.test(n.className) ||
          n.parentNode == display.sizer && n != display.mover) return true;
    }
  }

  function posFromMouse(cm, e, liberal) {
    var display = cm.display;