Re: Bug#874054: Setting QT_LINUX_ACCESSIBILITY_ALWAYS_ON=1 has a huge negative performance impact, should not be always on
- To: Allan Sandfeld Jensen <kde@carewolf.com>
- Cc: Lisandro Damián Nicanor Pérez Meyer <lisandro@debian.org>, Sebastian Humenda <shumenda@gmx.de>, Lisandro Damián Nicanor Pérez Meyer <perezmeyer@gmail.com>, Alex ARNAUD <alexarnaud@hypra.fr>, 874054@bugs.debian.org, debian-qt-kde@lists.debian.org, development@qt-project.org
- Subject: Re: Bug#874054: Setting QT_LINUX_ACCESSIBILITY_ALWAYS_ON=1 has a huge negative performance impact, should not be always on
- From: Samuel Thibault <sthibault@debian.org>
- Date: Sun, 3 Sep 2017 20:34:10 +0200
- Message-id: <[🔎] 20170903183410.hfmeayh24bzzbtaf@var.youpi.perso.aquilenet.fr>
- Mail-followup-to: Samuel Thibault <sthibault@debian.org>, Allan Sandfeld Jensen <kde@carewolf.com>, Lisandro Damián Nicanor Pérez Meyer <lisandro@debian.org>, Sebastian Humenda <shumenda@gmx.de>, Lisandro Damián Nicanor Pérez Meyer <perezmeyer@gmail.com>, Alex ARNAUD <alexarnaud@hypra.fr>, 874054@bugs.debian.org, debian-qt-kde@lists.debian.org, development@qt-project.org
- In-reply-to: <[🔎] 3001355.euFtC7AGjT@twilight>
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Allan Sandfeld Jensen, on dim. 03 sept. 2017 20:31:58 +0200, wrote:
> Note, the case where I saw the largest performance impact was not moving
> the cursor, it was self-modifying web-content, it would send every text change
> in the active focus. [...]
> But it is what Chrome would send on macOS and Windows when a
> screen-reader is detected as active.
Uh. While it can be necessary to get such information. Getting every
text change is the kind of spurious event I'm referring to. It should
throttle the sends, to avoid the flurry that the screen reader won't be
able to render as speech or braille anyway, and just make sure that the
last version is sent.
Samuel
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