Re: Emacs Battery mode cannot use iBook

[Lute Kamstra <Lute.Kamstra.news@xs4all.nl>]

"Sam Lauber" <sam124@operamail.com> writes:

> I have a iBook G4 w/ Mac OS X.  I installed the Carbon Emacs from June '05.  
> But the Battery mode does not know about the Mac OS X programs for
> battery status, so it dosen't know the battery status for the laptop when
> the system provides this information already.  
>
> Samuel Lauber
>
> P.S.  The battery information can be found by calling the program `pmset
> -g ps'; it outputs information in the following format:
>
>   Currenty drawing from 'POWER_SRC Power'
>    -InternalBattery-0     XX%; STATUS; ESTIMATE
>
> where `POWER_SRC' is either AC or Battery.  XX is the percentage of charge.  
> (N.B.  It is never 100%; the highest value that my iBook will give is 99%).  
> STATUS is either `AC attached' (power adapter plugged in and battery fully
> charged), `discharging' (running off battery power and taking power out of
> the battery), or `charging' (charging up).  If the battery is out, the entire
> `XX%; STATUS...' line is replated with `(removed)'.  Note that the first
> line has a typo.  It might get fixed, so don't rely on it.  

battery.el currently only knows how to get battery information from a
Linux kernel.  I'll see if I can add support for iBooks running OS X.
Is calling "pmset -g ps" the canonical way to get battery information
on OS X?  (Is that program typically installed?)

Lute.