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|
-----------------------------------------------------------------------------
-- |
-- Module : XMonad.Hooks.FadeInactive
-- Copyright : (c) 2008 Justin Bogner <mail@justinbogner.com>
-- License : BSD
--
-- Maintainer : Justin Bogner <mail@justinbogner.com>
-- Stability : unstable
-- Portability : unportable
--
-- Makes XMonad set the _NET_WM_WINDOW_OPACITY atom for inactive windows,
-- which causes those windows to become slightly translucent if something
-- like xcompmgr is running
-----------------------------------------------------------------------------
module XMonad.Hooks.FadeInactive (
-- * Usage
-- $usage
setOpacity,
isUnfocused,
fadeIn,
fadeOut,
fadeInactiveLogHook,
fadeOutLogHook
) where
import XMonad
import qualified XMonad.StackSet as W
import Control.Monad
-- $usage
-- You can use this module with the following in your @~\/.xmonad\/xmonad.hs@:
--
-- > import XMonad
-- > import XMonad.Hooks.FadeInactive
-- >
-- > myLogHook :: X ()
-- > myLogHook = fadeInactiveLogHook fadeAmount
-- > where fadeAmount = 0xdddddddd
-- >
-- > main = xmonad defaultConfig { logHook = myLogHook }
--
-- fadeAmount can be any integer
-- you will need to have xcompmgr <http://freedesktop.org/wiki/Software/xapps>
-- or something similar for this to do anything
--
-- For more detailed instructions on editing the layoutHook see:
--
-- "XMonad.Doc.Extending#The_log_hook_and_external_status_bars"
--
-- For more detailed instructions on editing the layoutHook see:
--
-- "XMonad.Doc.Extending#Editing_the_layout_hook"
-- |
-- sets the opacity of a window
setOpacity :: Window -> Integer -> X ()
setOpacity w t = withDisplay $ \dpy -> do
a <- getAtom "_NET_WM_WINDOW_OPACITY"
c <- getAtom "CARDINAL"
io $ changeProperty32 dpy w a c propModeReplace [fromIntegral t]
-- |
-- fades a window out by setting the opacity
fadeOut :: Integer -> Window -> X ()
fadeOut amt = flip setOpacity amt
-- |
-- makes a window completely opaque
fadeIn :: Window -> X ()
fadeIn = flip setOpacity 0xffffffff
-- |
-- lowers the opacity of inactive windows to the specified amount
fadeInactiveLogHook :: Integer -> X ()
fadeInactiveLogHook amt = fadeOutLogHook isUnfocused amt
-- | returns True if the window doesn't have the focus.
isUnfocused :: Window -> X Bool
isUnfocused w = withWindowSet $ \s -> return $
case W.stack . W.workspace . W.current $ s of
Nothing -> False
Just stack -> W.focus stack /= w
-- | fades out every window that satisfies a given property.
fadeOutLogHook :: (Window -> X Bool) -> Integer -> X ()
fadeOutLogHook p amt = withWindowSet $ \s -> do
let visibleWins = (W.integrate' . W.stack . W.workspace . W.current $ s) ++
concatMap (W.integrate' . W.stack . W.workspace) (W.visible s)
mapM_ fadeIn =<< filterM (fmap not . p) visibleWins
mapM_ (fadeOut amt) =<< filterM p visibleWins
|
