[RFC] Keymapping thoughts (or, can we avoid some copy and pasting?)

[Carlos Corbacho]

Hello all,

Working on the Acer .fdi file lately, I've noticed that it does seem to be 
getting a bit out of hand lately - I find myself copying + pasting a lot of 
the same things to generate the entries, when really, lots of the available 
keys are identical (e.g. having to copy a whole entry ad-verbatim simply 
because the series differs, or minor differences between models).

What I'd like to see is something like being able to define some groups of 
keymappings, give them a unique name, and then assign these groups to the 
matching statements instead of copying + pasting all the individual keys.

e.g. (bad examples coming up)

So, for example, I'd define a group for the extra Euro & Dollar keys on Acer 
laptops in the Acer .fdi, and call it 'acer_currency'.

<keygroup string="acer_currency">
  <append key="input.keymap.data" type="strlist">e033:euro</append>
  <append key="input.keymap.data" type="strlist">e034:dollar</append>
</keygroup>

And then, if I wanted to include those extra keys, do something like this:

<match key="/org/freedesktop/Hal/devices/computer:system.hardware.product" 
contains_outof="5020">
  <append keygroup="acer_currency" />
</match>

-Carlos
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