[PD] list item picker widget

[Roman Haefeli]

On Thu, 2021-02-11 at 15:05 -0300, Alexandre Torres Porres wrote:
> If you want a vanilla dropdown, Henri made one here 
> https://github.com/HenriAugusto/guilla

I found an important difference between [guilla/dropdownMenu] and
[jmmmp/jp.menu]. The former uses sliders as buttons while the latter
uses scalars of data structures. The problem with sliders is that (like
any other regular GUI widget in Pd) the lowest one gets the click if
there is an overlap. When [dropdownMenu] is placed right on top of
other GUI stuff, in expanded view you can either not click the items or
you cannot see them, depending on which order [dropdownMenu] was
created relative to the other stuff. Thus, [dropdownMenu] doesn't help
in saving screen estate.

It seems with expanded view of [jp.menu] covering other stuff, you can
still click the listed items, though the widgets below gets the click,
too. It's not ideal, but one can at least "protect" other stuff by
registering whether [jp.menu] is expanded or not.

It turns out it's a science to get this right. 

Roman
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