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|
{-# LANGUAGE PatternGuards, FlexibleInstances, MultiParamTypeClasses #-}
-----------------------------------------------------------------------------
-- |
-- Module : XMonad.Layout.ShowWName
-- Copyright : (c) Andrea Rossato 2007
-- License : BSD-style (see xmonad/LICENSE)
--
-- Maintainer : andrea.rossato@unibz.it
-- Stability : unstable
-- Portability : unportable
--
-- This is a layout modifier that will show the workspace name
-----------------------------------------------------------------------------
module XMonad.Layout.ShowWName
( -- * Usage
-- $usage
showWName
, showWName'
, defaultSWNConfig
, SWNConfig(..)
) where
import XMonad
import qualified XMonad.StackSet as S
import XMonad.Layout.LayoutModifier
import XMonad.Util.Font
import XMonad.Util.Timer
import XMonad.Util.XUtils
-- $usage
-- You can use this module with the following in your
-- @~\/.xmonad\/xmonad.hs@:
--
-- > import XMonad.Layout.ShowWName
-- > myLayout = layoutHook defaultConfig
-- > main = xmonad defaultConfig { layoutHook = showWName myLayout }
--
-- For more detailed instructions on editing the layoutHook see:
--
-- "XMonad.Doc.Extending#Editing_the_layout_hook"
-- | A layout modifier to show the workspace name when switching
showWName :: l a -> ModifiedLayout ShowWName l a
showWName = ModifiedLayout (SWN True defaultSWNConfig Nothing)
-- | A layout modifier to show the workspace name when switching. It
-- is possible to provide a costum configuration.
showWName' :: SWNConfig -> l a -> ModifiedLayout ShowWName l a
showWName' c = ModifiedLayout (SWN True c Nothing)
type ShowWNState = Maybe (TimerId, Window)
data ShowWName a = SWN Bool SWNConfig ShowWNState deriving (Read, Show)
data SWNConfig =
SWNC { swn_font :: String -- ^ Font name
, swn_bgcolor :: String -- ^ Backgorund color
, swn_color :: String -- ^ String color
, swn_fade :: Rational -- ^ Time in seconds of the name visibility
} deriving (Read, Show)
defaultSWNConfig :: SWNConfig
defaultSWNConfig =
SWNC { swn_font = "-misc-fixed-*-*-*-*-20-*-*-*-*-*-*-*"
, swn_bgcolor = "black"
, swn_color = "white"
, swn_fade = 1
}
instance LayoutModifier ShowWName a where
redoLayout sn r _ wrs = doShow sn r wrs
emptyLayoutMod sn r wrs = doShow sn r wrs
handleMess (SWN _ c (Just (i,w))) m
| Just e <- fromMessage m = handleTimer i e (deleteWindow w >> return Nothing)
| Just Hide <- fromMessage m = do deleteWindow w
return . Just $ SWN True c Nothing
handleMess (SWN _ c s) m
| Just Hide <- fromMessage m = return . Just $ SWN True c s
| otherwise = return Nothing
doShow :: ShowWName a -> Rectangle -> [(a,Rectangle)] -> X ([(a, Rectangle)], Maybe (ShowWName a))
doShow (SWN True c (Just (_,w))) r wrs = deleteWindow w >> flashName c r wrs
doShow (SWN True c Nothing ) r wrs = flashName c r wrs
doShow (SWN False _ _ ) _ wrs = return (wrs, Nothing)
flashName :: SWNConfig -> Rectangle -> [(a, Rectangle)] -> X ([(a, Rectangle)], Maybe (ShowWName a))
flashName c (Rectangle _ _ wh ht) wrs = do
d <- asks display
n <- withWindowSet (return . S.tag . S.workspace . S.current)
f <- initXMF (swn_font c)
width <- textWidthXMF d f n
(_,as,ds,_) <- textExtentsXMF f n
let hight = as + ds
y = (fi ht - hight + 2) `div` 2
x = (fi wh - width + 2) `div` 2
w <- createNewWindow (Rectangle (fi x) (fi y) (fi width) (fi hight)) Nothing "" True
showWindow w
paintAndWrite w f (fi width) (fi hight) 0 "" "" (swn_color c) (swn_bgcolor c) AlignCenter n
releaseXMF f
io $ sync d False
i <- startTimer (swn_fade c)
return (wrs, Just $ SWN False c $ Just (i,w))
|
