draggable.xml

<window anim_hint="htranslate" text="Draggable"
  design_w="320" design_h="480" 
  auto_scale_children_x="true" auto_scale_children_y="true" 
  auto_scale_children_w="true" auto_scale_children_h="true" >

  <button text="Drag Me" w="80" h="40" x="10" y="10">
    <draggable />
  </button>
  
  <button text="Drag V" w="80" h="40" x="100" y="10">
    <draggable vertical_only="true"/>
  </button>
  
  <button text="Drag H" w="80" h="40" x="10" y="100">
    <draggable horizontal_only="true"/>
  </button>
  
  <button text="Drag R" w="80" h="40" x="10" y="200">
    <draggable left="10" right="200" top="150" bottom="300"/>
  </button>
  <button name="close" self_layout="default(x=center,y=bottom:50,w=50%,h=30)" 
    floating="true" text="Close"/>
</window>