Tiny File Manager

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import { contains, elt, removeChildrenAndAdd } from "../util/dom"
import { e_target } from "../util/event"

export function widgetHeight(widget) {
  if (widget.height != null) return widget.height
  let cm = widget.doc.cm
  if (!cm) return 0
  if (!contains(document.body, widget.node)) {
    let parentStyle = "position: relative;"
    if (widget.coverGutter)
      parentStyle += "margin-left: -" + cm.display.gutters.offsetWidth + "px;"
    if (widget.noHScroll)
      parentStyle += "width: " + cm.display.wrapper.clientWidth + "px;"
    removeChildrenAndAdd(cm.display.measure, elt("div", [widget.node], null, parentStyle))
  }
  return widget.height = widget.node.parentNode.offsetHeight
}

// Return true when the given mouse event happened in a widget
export function eventInWidget(display, e) {
  for (let n = e_target(e); n != display.wrapper; n = n.parentNode) {
    if (!n || (n.nodeType == 1 && n.getAttribute("cm-ignore-events") == "true") ||
        (n.parentNode == display.sizer && n != display.mover))
      return true
  }
}