Jason Ekstrand wrote:
One thing I'm still missing is a way to handle more than one sensor
per type for the future. Input devices like the wii-remote with
nunchuk comes to mind. Having two separate accelerometers which
still would be a the same seat but could not be aggregated.
Yes, this is kind of an issue. There was some work recently on adding
gamepad support and that faced similar issues. For reference, see
http://lists.freedesktop.org/archives/wayland-devel/2013-May/009043.html
and the ~42 replies.
It seems wrong to me that the count is split into two parts. For
instance if there are two accelerometers:
1. The fact that it is non-zero is stored in a bit in the seat description
2. Whether it is 1, 2, 3, etc is in a different undefined api.
There have also been some worry about running out of bits in the seat
flags, too.
Why not have an api that takes a seat and returns a big list of every
device and every event that each device can produce. Yes that seems big
but it is on the order of thousands and would be sent in one big block,
not as thousands of messages. I think the type of device can be
determined from the set of events it produces, though I guess you can
also put a type id on the device.
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