Re: Updating VO cursor position
Re: Updating VO cursor position
- Subject: Re: Updating VO cursor position
- From: Tomas Zahradnicky <email@hidden>
- Date: Fri, 21 Apr 2006 19:22:04 +0200
Hi guys,
Don't do it.
Move your control if you like, but leave the vo cursor where it is.
I should have given a more detailed description of what I'm trying to do.
The control can be moved by a hardware device and I want to keep it
in sync with the device. To describe what it is:
Suppose you have N columns in a window, and there're scrollbars. The
hardware device focuses a group of D columns and can change this
focus by moving the group within the N columns either by 1 or by D.
User can change the selection from hardware and that causes the
contents of the column window to shift. Once the selection changes,
the hardware device reconfigures itself and VO cursor has to do the
same. Not doing this would lead into a very bad UI in this case.
I'm trying to keep the device focus in sync with the VO focus as
spacebar simulates mouse clicks at nonaccessible controls. If I don't
move the VO cursor, it would point to a wrong location, would be out
of sync with hardware and be practically useless.
We'll figure it out. Honestly. There's nothing more anoying than to
have your cursor jump all over the place with no concept of where it
went and why.
I understand what you're trying to do, but it will make things
easier for vo users if you don't fiddle with the vo cursor location.
Let us move it on our own, it keeps things simple. Plus, sometimes
it's useful to us to know the application did something with the
control we were looking at. If you moved the vo cursor with the
object, we'd never know it changed, and that could lead to
complications in either tech support, or when trying to explain
something to sighted folks, since they will see it move, and we
won't know it moved. It's very important to allow the vo user
(well, any screen reader user) to control the screen reader. Do
what you like with your app, but please don't move the vo cursor
around on us, it only creates confusion.
On Apr 21, 2006, at 11:30 AM, Tomas Zahradnicky wrote:
Tomas
--
# Ing. Tomas Zahradnicky, Jr.
# The Czech Technical University
# Dept of Computer Science, FEE-CTU Prague
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