Re: [orca-list] Initial clickable support added to master

From: kendell clark <coffeekingms gmail com>
To: Joanmarie Diggs <jdiggs igalia com>, Orca List <orca-list gnome org>
Subject: Re: [orca-list] Initial clickable support added to master
Date: Thu, 14 Aug 2014 17:59:17 -0500

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yay!
Testing now. I'll report back with any bugs, but I doubt I'll find
many, if any.
Thanks
Kendell clark


On 08/14/2014 05:52 PM, Joanmarie Diggs wrote:

Hey all.

Here's the deal: * Clickables are announced as you do caret
navigation * A and Shift+A move you amongst clickables * Alt +
Shift + A gives you a list of clickables * If you move to a
clickable using any of the above methods, you can then click on the
clickable via KeyPad / in desktop layout; Orca + 7 in laptop
layout * As with the links lists dialogs, you can activate/click
on on clickables without having to synthesize the click; just press
the Activate button (mnemonic in English, Alt+A) * Clickables are
underlined in braille and clickable from the braille display

Note that at the moment, navigating amongst clickables is not quite
as performant as I'd like. This is due to the following AT-SPI2
bug(s): https://bugzilla.gnome.org/show_bug.cgi?id=734805

Once that bug is fixed, then I will enable proper collections
support. In the meantime, this works well enough and gets the
feature and strings into master prior to the relevant GNOME
freezes. I can still fix bugs after those freezes.

Lastly, I'm sure someone will say, "Enter and Space should
activate clickables." As I have already stated, the problem with
that is that it would mean that each and every time you pressed
Enter or Space, Orca would need to:

1. Figure out if you are in document content, if so: 2. Figure out
what mode you were in 3. Figure out if you were on anything
focusable or a clickable 4. Determine what action to perform based
on what type of object you are on and whether or not you pressed
Enter or Space. This heuristic would undoubtedly be buggy and need
more checks and special casing added to try to get it right.

And you press Enter and Space a lot I bet. So that's adding 
non-performant and likely buggy code that will get called alot. And
the reason it would do this is because there are some
non-focusable clickables out there. Orca already has a "click"
command that works well and now Orca announces their presence and
gives you a means to quickly move to them and click on them.

BTW, just in case you are wondering, what Orca normally does when
you press Enter or Space is:

1. Note that you pressed that key 2. There is no 2. It just notes
the input event down This is performant and non-buggy.

Having said all that, please test and let me know what you think.
Thanks!

--joanie _______________________________________________ orca-list
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Follow-Ups:
- Re: [orca-list] Initial clickable support added to master
  - From: Peter Vágner

References:
- [orca-list] Initial clickable support added to master
  - From: Joanmarie Diggs

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