[Sugar-devel] UI experiments: pop-up menus and hot corners

Mikus Grinbergs mikus at bga.com
Sat Jul 3 23:32:15 EDT 2010

> some current (ongoing) future design changes will remove this issue completely with
> a full screen screen dialogue for deciding new/resume. One click on a home view activity
> displays a gallery/journal like display of past work or a new blank template

My observation - on the XO, there is a VERY perceptible time lag between
when the user makes a click (on an existing screen) and when the
replacement screen gets presented to that user.  [It would not be so bad
if the cursor changed shape to indicate "the system is working on your
input" -- but as it is, the XO display might "freeze", or even switch
(temporarily) to a completely unrelated session -- and the user must
mentally refrain (for up to a number of seconds) from doing anything
while waiting to see whether the expected screen will/will_not be shown.

[This time lapse in preparing a new full screen display on the XO seems
to be worse with metacity than with matchbox.  For instance, with
Paraguay's sugar 0.88 builds, the "activity being launched" screen
sometimes never gets to pulse -- apparently, to get it shown might take
as long as it does to prepare the actual activity session's screen !!]

A major advantage of the menu (palette) on the XO is that as soon as the
 user clicks within that menu, the menu itself vanishes.  This gives the
user IMMEDIATE visual feedback that "the system is working on your
input" - and removes the "what is it doing?" doubt from the user's mind.

Thanks, mikus

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