Not sure this is the good way to do too.
We need to have a dedicated representation of the current slide.
Currently:
empty bar represent next slides
filled bar represent previous slides
but we can't chose neither the first representation (what was present before), neither the second representation (what you propose) for the current slide. We need something specific.
Not sure this is the good way to do too. We need to have a dedicated representation of the current slide. Currently: