Here's a prototype using the new data structure [draw] commands
I mentioned. (Attached)
* If I was going to turn this into a real GUI widget, I'd add a field
to the [struct] to store the slider value. Then I could create lots
of sliders with different values. It's also possible to add fields to
control the scaling, rotation, colors, etc.
* Changing the glow color when dragging is a bit tricky compared to CSS.
I probably need some extra event types to specify the beginning and end
of the drag event
* Obviously adding text is trickier. CSS basically exists to gracefully
handle text-flow
* You can right-click the scalar and choose "Properties" to change the
fields.
-Jonathan