Buttons, left to right. A null inserts a gap between groups.
Seconds the fade takes. 0 disables the animation.
Gap between buttons, and the wider gap a null produces.
Optional keyboard hint shown next to the label, e.g. "Ctrl + −".
Prefix for hit ids. Lets a host run more than one.
Tooltip label per action.
Height of the reveal band above the plot bottom. The pointer anywhere in this band brings the controls in.
Show the tooltip above the hovered button.
Button box size in media px.
Distance from the bottom of the plot to the bottom of the buttons.