[PATCH] xfree86: store the InputAttributes in the input device.

Dan Nicholson dbn.lists at gmail.com
Tue May 25 08:34:29 PDT 2010


On Tue, May 25, 2010 at 12:15 AM, Peter Hutterer
<peter.hutterer at who-t.net> wrote:
> InputAttributes largely decide which configuration values get merged from
> the xorg.conf.d snippets. While they are available in the config backend,
> they are not available for any other callers of NewInputDeviceRequest().
>
> Drivers implementing driver-side hotplugging do not have access to these
> attributes and cannot have xorg.conf.d snippets specific to dependent
> devices. For example, the following case cannot work right now:
>
> Section "InputClass"
>        MatchProduct "Wacom"
>        Option "PressCurve" "0 0 100 100"
>        ...
> EndSection
>
> Section "InputClass"
>        MatchProduct "Wacom"
>        MatchProduct "eraser"
>        Option "PressCurve" "10 10 50 50"
>        ...
> EndSection
>
> The second section is not triggered, as the wacom driver cannot supply the
> InputAttributes to NewInputDeviceRequest().

The second section is also not entirely valid since there can only be
one MatchProduct used per section. :) I don't know what the best way
to differentiate the wacom multiple devices per device file case is.
Maybe you could munge the product name to "Wacom Eraser" or something.

That's another issue, though.

Reviewed-by: Dan Nicholson <dbn.lists at gmail.com>

--
Dan


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