Le 31/03/2017 à 18:38, Stéphane Gourichon a écrit :
It looks like darktable UI implements some sort of
focus-follows-pointer behavior, which is uncommon these days. I do not
know of any other gtk app that does this (or any recent app, what was
the last one I saw behaving like this ... a Motif app maybe, 20 years
ago?).
Thank you all for your examples of UI behavior.
I was surprised no one mentioned side panels in lighttable, because it
hit me many times.
Then I tested (it hit me actually always on the same spot). I observed
the others are not affected and on experimenting I finally figured out
what happens.
TL;DR: drop-downs steal focus and that's a pain on "export selected" module.
Where ? lighttable, right panel, module "export selected"
How to reproduce :
* open lighttable, move mouse to right panel, expand "export selected"
* click on export path textbox (between "target storage" and "on conflict").
* type some characters, they appear
* move mouse pointer away
* type some more characters
Expected : more characters appear
Observed : as soon as the pointer is moved away, textbox is no longer
focused, no characters are inserted
On closer analysis it appears that this happens only when the move is
moved up or down, not when it leaves the textbox sideways.
It appears that the real cause is not the mouse pointer exiting the
textbox, but entering the drop-downs above and below. It's not that the
mouse leave the textbox, it's that entering a dropdown steals focus.
This explains why it does not happen on other modules, like "collect
images", "metadata editor", "tagging", "geotagging" : they have no
drop-downs above or below.
Nevertheless, IHMO focus is not expected to be stolen away from textbox
when move is moved away.
Question: Why do drop-downs steal focus? Do they have a good reason?
Would a "click to focus" be enough?
--
Stéphane Gourichon
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