In case anyone was wondering, this is a concertina:
I did not updated my JUCE copy since a while.
What does it looks like ? 
[quote=“lilin”]I did not updated my JUCE copy since a while.
What does it looks like ? :)[/quote]
It looks exactly like the screenshot that Vinnie posted above 
Wow, those photoshop graphics have really come on.
my 2 cents but those widgets are usually called Accordion
[quote=“otristan”]my 2 cents but those widgets are usually called Accordion
http://en.wikipedia.org/wiki/Accordion_%28GUI%29[/quote]
Oh great, NOW you tell me!
Although I do still prefer “concertina”… To me the word “concertina” has more connotations of expanding and contracting, and unlike accordian, it also works as a verb. But perhaps I just feel that way because of my englishness…