Hi Gunnar,
On 18.9.2014 13:12, Andersson, Gunnar wrote:
Yes I would say display is still better than system. You are here dealing with
the scenario of one single system (more precisely one ECU) driving multiple
displays / input peripherals. Often people will say system when they mean ECU.
And if that's not what they mean, they mean several interconnected ECU make up
a system, like the car electrical system.
The term "Seat” is used in GENIVI and if you like it you could adopt it.
We have seats already, but "display" is now the one that doesn't have a
physical seat, but spans multiple seats (holds shared resources). It's
kind of the "everybody inside the car" -seat.
In current GENIVI proposal a user login is associated with a Seat
This is also how our setup works...
But I would guess there is still need for
some way of knowing where a logged in user would prefer their apps to appear.
Similarly, you need to associate input peripherals with the person operating
them. It won't be like a desktop system where you point your mouse to a window
and the input goes there.
Actually our setup works just like that, with Weston desktop shell, you
can point and click (or tap the screen) to start applications and move
their windows around within the display of the seat. Each seat has it's
own mouse cursor and they can be typing on the two keyboards
simultaneously input going to what ever window they have activated...
With IVI shell, things are also constrained to the particular seat, both
input methods and display output.
It's kind of a setup of single desktop computer that feels like being
two desktop computers (it could be more, with quad-output GPU).
In addition you can have apps as the "display" user that simultaneously
span multiple displays and input methods controlling those.
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