---------- Forwarded message ---------- From: Dontdie YCH <dontdieych@gmail.com> Date: Fri, Jan 23, 2015 at 3:33 AM Subject: Re: [xmonad] 'resetScreenSaver' from 'Graphics.X11.Xlib.Misc' To: Brandon Allbery <allbery.b@gmail.com> I had same idea about that so I tried as I already showed. Set screensaver timer to 10 sec then call resetScreenSaver every 5 sec. If this is right, screensaver should not appeared. But It was. resetScreenSaver.hs : ~~~ import Graphics.X11.Xlib import Graphics.X11.Xlib.Misc import Control.Concurrent import Control.Monad main = do dpy <- openDisplay "" forever $ do putStrLn "reset" resetScreenSaver dpy threadDelay (5*1000000) ~~~ ~~~ $ xset s 10 $ runhaskell resetScreenSaver.hs ~~~ On Wed, Jan 21, 2015 at 10:14 PM, Brandon Allbery <allbery.b@gmail.com> wrote:

On Wed, Jan 21, 2015 at 1:22 AM, Dontdie YCH <dontdieych@gmail.com> wrote:

...

But it does not working. I didn't know how I directly deal with X11 lib. Fortunately, I found 'resetScreenSaver' from 'Graphics.X11.Xlib.Misc' that say interface to XResetScreenSaver().

resetScreenSaver is a one-shot operation that turns off any currently running screen saver by resetting the no-activity timer. If you want to keep the screen saver off, you need a thread that periodically calls resetScreenSaver, perhaps once every 30 seconds.

-- brandon s allbery kf8nh sine nomine associates allbery.b@gmail.com ballbery@sinenomine.net unix, openafs, kerberos, infrastructure, xmonad http://sinenomine.net