Window < UIWindow
  size: 200 200
  head:
    height: 20
    border-image:
      source: /core_ui/images/window.png
      size: 256 19
      border: 4
      border.bottom: 3

  body:
    border-image:
      source: /core_ui/images/window.png
      size: 256 237
      offset: 0 19
      border: 4
      border.top: 0

MainWindow < Window
  anchors.centerIn: parent
  onLoad: function(self) self:lock() end