From: raman <raman@google.com>
To: Michael Albinus <michael.albinus@gmx.de>
Cc: emacs-devel@gnu.org
Subject: Re: HowTo: Detect Laptop waking up from suspend from Emacs
Date: Sat, 11 Feb 2017 08:28:31 -0800 [thread overview]
Message-ID: <p91poio7kuo.fsf@google.com> (raw)
In-Reply-To: <87a89thz3r.fsf@gmx.de> (Michael Albinus's message of "Sat, 11 Feb 2017 10:10:32 +0100")
Michael Albinus <michael.albinus@gmx.de> writes:
Thanks for the dbus pointers -- I was hoping that someone had already
gone down this route:-)> raman@google.com writes:
>
> Hi,
>
>> Background:
>>
>> I run Emacs as my primary environment -- ie I do everything in Emacs
>> on Linux.
>>
>> So when I open my laptop lid, my laptop wakes up from suspend and
>> Emacs is where I left off.
>>
>> I'd like to set things up so emacs runs a set of actions when the
>> laptop comes back from suspend -- typically, say 5 seconds after
>> wake-up. Here, all actions are emacs functions.
>>
>> So Q:
>>
>> From Emacs --- perhaps an idle-timer, how do I detect when the laptop
>> returns from suspend?
>
> The D-Bus system bus offers the org.freedesktop.UPower.Wakeups interface
> (provided, your GNU/Linux system runs the upowerd daemon). Maybe you
> could register for the DataChanged signal. I've never tried it myself,
> 'tho.
>
> Another possibility could be the D-Bus system bus org.freedesktop.login1
> interface. Signal PrepareForSleep seems to be emitted in both cases, the
> system goes to sleep (argument true), or the system wakes up from sleep
> (argument false). You could register for this signal. Again, I've never
> tried it myself.
>
> Best regards, Michael.
--
next prev parent reply other threads:[~2017-02-11 16:28 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-11 1:39 HowTo: Detect Laptop waking up from suspend from Emacs raman
2017-02-11 8:55 ` aaermolov
2017-02-11 9:10 ` Michael Albinus
2017-02-11 16:28 ` raman [this message]
2017-02-11 16:40 ` Michael Albinus
2017-02-11 17:32 ` raman
2017-02-11 18:51 ` Michael Albinus
2017-02-11 20:56 ` raman
2017-02-13 17:50 ` T.V Raman
2017-02-13 19:02 ` Michael Albinus
2017-02-13 19:05 ` T.V Raman
2017-02-11 14:54 ` Stefan Huchler
2017-02-11 17:50 ` Tom Tromey
2017-02-11 20:57 ` raman
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