laszlo stretchybutton (or window)
// This could be used for a 9-piece button or window
<class name="stretchybutton" pixellock="true">
<resizeview_x name="top" width="100%"
left="btn_tl"
middle="btn_t"
right="btn_tr" />
<resizeview_x name="middle" width="100%"
left="btn_l"
middle="btn_m"
right="btn_r" />
<resizeview_x name="bottom" width="100%"
left="btn_bl"
middle="btn_b"
right="btn_br" />
<stableborderlayout axis="y"/>
</class>