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This is interesting.
Relevant code to look at in NVDA is
_setSelectionOffsets, I believe.
I assume the selection event isn't fired either when changing the
caret position with arrow keys?
Op 21-11-2019 om 20:28 schreef mohammad
Thanks for that info brother. So, we tried to listen for
the selection change event. In Google chrome, this event is
fired when the user navigates the textarea with arrow keys, or
with the braille display routing keys. This is brilliant, and,
behaves as one expects from the browser in those situations.
However, for our surprise, Firefox doesn't do this at all!!
Which is very strange actually. The only event that Firefox
fires is a mousedown event when you click the routing key
where the cursor is found. I am guessing that NVDA triggers
this event? Not sure though.
So, if you, or someone can share a suggestion how to
overcome this, it will be much appreciated!
have a grate time!
NVDA asks the browser to change the caret position, so
you probably have to listen to caret or selection events
if that's possible. Communication to the browser is
performed with the accessibility API of use, UIA in Edge
and IE and IAccessible2 in Firefox and Chrome.
Op 20-11-2019 om 18:48 schreef mohammad suliman:
It has been a long time since I have posted here, so hope
all of you are well, and doing well also!
I have a question regarding the braille routing keys. The
question is as follows: Which API NVDA calls to set the
cursor position when the user presses a routing key on a
braille display on the web?
To clarify, here is what we are trying to achieve: we have
an <input> element, and we want to track the cursor
position when the user moves the cursor mainly by the
braille display routing keys, and by arrows also, but this
is not the issue here. So, we want to know when the user
presses a routing key, and handle it appropriately in our
system. We tried to listen to click and keypress events,
but none of them is triggered as far as we have observed.
So, in short, my question: how NVDA behaves when the user
presses a routing key, while the focus is in an element
with a caret, and this element is a web element.
Thanks in advance!