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module Rahm.Desktop.Common where
import Prelude hiding ((!!))
import Control.Monad (void, when, forM_)
import Control.Monad.Trans.Maybe
import XMonad.Util.Run
import XMonad.Prompt
import XMonad.Prompt.Input
import XMonad.Prompt.Shell
import XMonad.Util.XUtils
import Rahm.Desktop.PromptConfig
import Data.Char
import Data.List hiding ((!!))
import Data.List.Safe ((!!))
import Data.Maybe
import Text.Printf
import XMonad hiding (workspaces, Screen)
import qualified Data.Map as Map
import Rahm.Desktop.DMenu
import Data.Ord (comparing)
import qualified Rahm.Desktop.StackSet as S
-- A location is a workspace and maybe a window with that workspace.
data Location = Location {
locationWorkspace :: WorkspaceId,
locationWindow :: Maybe Window
} deriving (Read, Show, Eq, Ord)
focusLocation :: Location -> X ()
focusLocation (Location ws Nothing) = windows $ S.greedyView ws
focusLocation (Location _ (Just win)) = windows $ S.focusWindow win
masterWindow :: MaybeT X Window
masterWindow = MaybeT $ withWindowSet $ \ss ->
let windows = (S.integrate' . S.stack . S.workspace . S.current) ss
in case windows of
(a:_) -> return $ Just a
_ -> return Nothing
windowsInWorkspace :: WorkspaceId -> X [Location]
windowsInWorkspace wid =
withWindowSet $
return . concatMap (\ws ->
if S.tag ws == wid
then map (Location wid . Just) $ S.integrate' (S.stack ws)
else []) . S.workspaces
data WinPrompt = WinPrompt
instance XPrompt WinPrompt where
showXPrompt _ = "[Window] "
commandToComplete _ = id
getString :: Window -> X String
getString = runQuery $ do
t <- title
a <- appName
return $
if map toLower a `isInfixOf` map toLower t
then t
else printf "%s - %s" t a
askWindowId :: X (Maybe [Window])
askWindowId = do
windowTitlesToWinId <- withWindowSet $ \ss ->
Map.fromListWith (++) <$> mapM (\wid -> (,) <$> getString wid <*> return [wid]) (S.allWindows ss)
runDMenuPromptWithMap "Window" (Just "#f542f5") windowTitlesToWinId
windowJump :: X ()
windowJump = mapM_ (focus . head) =<< askWindowId
-- Temporarily set the border color of the given windows.
withBorderColor :: String -> [Window] -> X a -> X a
withBorderColor color wins fn = do
d <- asks display
px <- stringToPixel d color
oPx <- stringToPixel d =<< asks (normalBorderColor . config)
fPx <- stringToPixel d =<< asks (focusedBorderColor . config)
colorName <- io (pixelToString d px)
oColorName <- io (pixelToString d oPx)
fColorName <- io (pixelToString d fPx)
forM_ wins $ \w ->
setWindowBorderWithFallback d w colorName px
ret <- fn
withFocused $ \fw -> do
forM_ wins $ \w ->
when (w /= fw) $
setWindowBorderWithFallback d w oColorName oPx
setWindowBorderWithFallback d fw fColorName fPx
return ret
withBorderWidth :: Int -> [Window] -> X a -> X a
withBorderWidth width ws fn = do
d <- asks display
forM_ ws $ \window ->
io $ setWindowBorderWidth d window $ fromIntegral width
ret <- fn
forM_ ws $ \window ->
io $ setWindowBorderWidth d window 2
refresh
return ret
gotoWorkspace :: WorkspaceId -> X ()
gotoWorkspace wid = windows $ S.greedyView wid
moveLocationToWorkspace :: Location -> WorkspaceId -> X ()
moveLocationToWorkspace (Location _ (Just win)) wid =
windows $ S.shiftWin wid win
moveLocationToWorkspace _ _ = return ()
getCurrentWorkspace :: X WorkspaceId
getCurrentWorkspace = withWindowSet $
\(S.StackSet (S.Screen (S.Workspace t _ _) _ _) _ _ _) -> do
return t
getCurrentLocation :: X Location
getCurrentLocation = do
ws <- getCurrentWorkspace
win <- withWindowSet (return . S.peek)
return (Location ws win)
runMaybeT_ :: (Monad m) => MaybeT m a -> m ()
runMaybeT_ = void . runMaybeT
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