accessibility: implementation of zoom/invert on Wayland?

[Jan Bölsche]

Hi Patrick,

being visually impaired myself I had the same problem as your friend when
moving from OSX to Linux. I am now using KDE Plasma as a desktop and have
some custom keybindings for zooming.

Here's my ~/.xbindkeysrc

----
dbus org.kde.kglobalaccel /component/kwin invokeShortcut view_zoom_in"
    alt + b:5
"qdbus org.kde.kglobalaccel /component/kwin invokeShortcut view_zoom_out"
    alt + b:4
----

b:4 and b:5 are "scroll wheel" up/down. This results in a similar user
experience to OSX: by holding Alt and swiping with two fingers up and down
you zoom in and out. I use this every day, all the time.

You need to run xbindkeys in the user session to make this work.

Hope this is useful,
Jan

On Fri, Jul 2, 2021 at 4:20 AM Patrick Pelletier <code at funwithsoftware.org>
wrote:

> On 7/1/21 4:24 PM, Carlos Garnacho wrote:
> > It seems that this piece of the documentation is incomplete, the
> > "<super><alt>Plus" and "<super><alt>Minus" keyboard shortcuts should
> > work to change zoom level when Zoom is enabled..
>
> Thanks!  That is definitely better than I thought it was, although the
> granularity is quite coarse.  (It seems to go straight from 1.0 to 2.0,
> while MacOS uses much smaller steps.)
>
> Also, the mouse cursor leaves behind weird visual artifacts when zoom is
> "on" but set to 1.0.  (I would have thought that "off" and "1.0" ought
> to be functionally equivalent.)
>
> Anyway, I realize this is probably not the right place to discuss this.
> Is there a more appropriate list or forum for Linux accessibility?
>
> --Patrick
>
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