open combobox if anywhere on box clicked coming from auto-filled key-box

[my-na-me]

Starting from:
Usability >> Open the combobox when clicking anywhere in the text field (#5596, #5636, thanks @maxgrossman)

There is a minor additional request for potential usability optimization.

The opening of the combobox is working well for a lot of situations now, but it will not happened when you come before from an auto-filled key box (left-hand side), see movie:
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[bhousel]

One of the issues with our combobox control is that - it dispatches accept and cancel events so that calling components can adjust the value selected (for example to check that the string entered or autocompleted is really a valid thing). These events fire on a bunch of different triggers, but they do not fire on blur (field loses focus), and they probably should be changed to fire there only (not on tab, return, click, etc).

I did a bunch of work 2 days ago in 4583e2d and 0c7b9a6 to fix some issues caused by the event firing and autocomplete and situations that can break places that comboboxes are used. It's pretty complicated, but before I forget everything I learned, I'd like to spend another day on improving the combobox to be more reliable.

(this comment is probably really only helpful for my own memory and doesn't make much sense to anyone else reading - sorry)

[my-na-me]

(this comment is probably really only helpful for my own memory and doesn't make much sense to anyone else reading - sorry)

no, no. Thanks for the internal details. I can image is work on the core unit of combobox handling. And I think the mentioned function would be a kind of great unique feature of iD (and would speed up the editing and it would stimulate iD user to be happy and use it even longer as scheduled :-).
Now in the meantime I was a bit curious and looked at how the other programs have implemented it. See next 3 movies (btw, on the very last the action of the third movie, JOSM has also an minor bug and after selecting "yes" the box is empty ;-) ):

A known search engine doing it this style, click to nowhere:

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another OSM editor, 1. click to combobox field (key/value was not used before):

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another OSM editor, 2. click to carat (key/value was used before):