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

[Joanmarie Diggs <jdiggs igalia com>]

Role application should do it. The application role is exposed via the 
"embedded" role.

That said, I wonder if there is a predictable way to identify 2-D canvas 
games (and the like) and have Orca do this for you. So:

* Is it focusable?
* Does it have fallback items?
* What else makes these sorts of canvas elements special?

--joanie

On 1/3/20 17:47, Nolan Darilek wrote:
> 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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> > > https://help.gnome.org/users/gnome-help/stable/a11y.html