Snips passed to this method will be resized when the canvas's size changes. Their width will be set so they take up all of the space from their lefts to the right edge of the canvas.
![[previous]](../icons/left.gif){kind=icon}
![[up]](../icons/up.gif){kind=icon}
![[next]](../icons/right.gif){kind=icon}
![[index]](../icons/index.gif){kind=icon}