widget
{
   type: "window";
   name: "main-window";
   requested-width: 320;
   requested-height: 240;
   title: "Hello World!";
}

widget
{
  type: "hbox";
  name: "button-hbox";
  parent: "main-window";
  homogenous: 0;
  spacing 0;
}

widget
{
  type: "button";
  name: "hello-button";
  parent: "button-hbox";
  label: "Hello World!";
}