Re: [orca-list] How can I force Orca into focus mode?



Orca isn't doing anything wrong. I'm rendering a 2-D game to a canvas element. I'd like to figure out if I can force a switch to focus mode somehow, so arrows and keyboard commands are intercepted by the canvas and control the game character rather than navigating around the screen.


Does `role="application"` force focus mode? Or if it doesn't, would it make sense for it to do so? Maybe I can wrap the canvas in that, or set that as its role. I'd try myself, but won't be in a position to do so until tomorrow.


Thanks.

On 1/3/20 10:44 AM, Joanmarie Diggs wrote:
Generally it's roles for items which are expected to have their own navigation and which Orca's caret navigation and/or structural navigation doesn't make sense. So:

* Combo boxes
* Entry and password fields
* List boxes
* Menus and menu items and their descendants
* Page tabs
* Progress bars and sliders
* Spin buttons
* Tool bars
* Trees, tree tables, and their items

Due to custom authoring, if it's editable or expandable, it's assumed to be a focus mode widget regardless of role. Ditto for buttons which have a popup.

Similarly, there are a handful of roles (embedded, list item, table cell, and table) where Orca has heuristics to try to determine if something is a text item or a widget.

Given that you mentioned canvas, I'm wondering if it's falling into the last hole.

Now your turn: What's your specific use case? Maybe Orca's doing something wrong, but without information from you I can't tell. :)

--joanie

On 1/3/20 14:53, Nolan Darilek wrote:
Sorry, I wasn't clear.


As a web developer, I'm curious what heuristic Orca uses to decide to auto-switch to focus mode. It wouldn't be a good idea to generalize all the way to focusing on a canvas, but maybe there's a role or trick I can use to hint to Orca that it should stop intercepting keys when focus lands within a certain element. Right now, manual toggling works. I'm just wondering if I can automate it.


Thanks.

On 1/3/20 7:48 AM, Matt Dizak wrote:
Yep, Special Key + A

So if you're on the desktop keyboard layout, it's the NumPad Ins key +
A to toggle between browser and focus mode.

Matt


On 1/3/20, Nolan Darilek <nolan thewordnerd info> wrote:
Aside from landing on a form control, is there any way? Experimenting
with building HTML 5 games, and having Orca trigger focus mode on my
game canvas would be a nice quality-of-life improvement. Is there a role
or other hint I can use to achieve this?


Thanks.

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Orca documentation: https://help.gnome.org/users/orca/stable/
GNOME Universal Access guide: https://help.gnome.org/users/gnome-help/stable/a11y.html




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