Ideal screen rotation

[Dave Ball]

Carsten Haitzler (The Rasterman) wrote:
> wm needs to track both and determine which one takes precedence based 
> on policy and th en implement that rotation, if needed. policy is what 
> a wm implements - that's the nature of the beast. that policy may be 
> hard-coded in the wm or configuration for it.

I've been looking at existing window properties [1] to try and 
understand the best way to do this.


option1: New atoms in the _NET_WM_STATE property.
  - _NET_WM_STATE_LANDSCAPE
  - _NET_WM_STATE_PORTRAIT

If neither is present for a given window, WM can choose (based on the 
accelerometers). Both present is an error - or could be defined as leave 
the window in it's current orientation.


option2: New property.

_NET_WM_ORIENTATION
  0 = Either / WM decides
  1 = Landscape
  2 = Portrait


Thoughts?


> http://www.youtube.com/watch?v=abNsVyYTSkU
>   
OT - but I'm struggling with e's xnest.sh script:
    xhost +
    su newuser
    Xnest -ac :1 &
    env DISPLAY=":1" enlightenment_start &

works, but:

    xhost +
    su newuser
    /data/programming/e17/e17_src/e/xnest.sh

doesn't.  Initially it ran through e's firstrun wizard in an xnest, then 
crashed - now it dies on start.  I've attached the xnest.sh output - any 
ideas?


Dave

[1] http://standards.freedesktop.org/wm-spec/1.4/ar01s05.html

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