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module Rahm.Desktop.Marking (
markCurrentWindow,
jumpToMark,
setAlternateWindows,
getAlternateWindows,
setAlternateWorkspace,
getAlternateWorkspace,
getMarkedLocations,
markAllLocations,
farLeftWindow,
farRightWindow,
windowLocation
) where
import Prelude hiding (head)
import Data.Maybe (fromMaybe)
import Control.Monad.Trans (lift)
import Data.Ord (Down(..))
import Control.Exception
import Control.Monad (when, (<=<))
import Control.Monad.Trans.Maybe
import Data.Char (isAlpha, isDigit, ord)
import Data.IORef
import Data.List (sortOn, sort, sortBy, find)
import Data.List.Safe (head)
import Data.Map (Map)
import Data.Maybe (catMaybes)
import Data.Sequence (Seq(..))
import Rahm.Desktop.Common
import Rahm.Desktop.History
import Rahm.Desktop.Hooks.WindowChange
import Rahm.Desktop.Windows (mapWindows, findWindow, getLocationWorkspace)
import Rahm.Desktop.Workspaces
import System.Environment
import System.FilePath
import System.IO
import XMonad
import XMonad.StackSet hiding (focus)
import qualified Data.Map as Map
import qualified Data.Sequence as Seq
import qualified XMonad.Util.ExtensibleState as XS
{- Submodule that handles marking windows so they can be jumped back to. -}
type Mark = String
data MarkState =
MarkState {
markStateMap :: Map Mark [Location]
, alternateWindows :: [Window]
, alternateWorkspaces :: Map Window WorkspaceId
} deriving (Read, Show)
instance ExtensionClass MarkState where
initialValue = MarkState Map.empty [] Map.empty
extensionType = PersistentExtension
-- greedyFocus :: Window -> X ()
-- greedyFocus win = do
-- ws <- withWindowSet $ \ss ->
-- return $ getLocationWorkspace =<< findWindow ss win
--
-- mapM_ (windows . greedyView . tag) ws
-- focus win
setAlternateWorkspace :: Window -> WorkspaceId -> X ()
setAlternateWorkspace win wid =
XS.modify $ \m -> m {
alternateWorkspaces = Map.insert win wid (alternateWorkspaces m)
}
getAlternateWorkspace :: Window -> X (Maybe WorkspaceId)
getAlternateWorkspace window =
Map.lookup window . alternateWorkspaces <$> XS.get
setAlternateWindows :: [Window] -> X ()
setAlternateWindows wins = XS.modify (\m -> m { alternateWindows = wins })
getAlternateWindows :: X [Window]
getAlternateWindows = alternateWindows <$> XS.get
withMaybeFocused :: (Maybe Window -> X a) -> X a
withMaybeFocused f = withWindowSet $ f . peek
markAllLocations :: Mark -> [Location] -> X ()
markAllLocations mark locs =
XS.modify $ \m ->
m {
markStateMap = Map.insert mark locs (markStateMap m)
}
markCurrentWindow :: Mark -> X ()
markCurrentWindow mark = do
ws <- getCurrentWorkspace
withFocused $ \win ->
XS.modify $ \state@MarkState {markStateMap = ms} ->
state {
markStateMap = Map.insertWith (++) mark [Location ws $ Just win] ms
}
jumpToMark :: Mark -> X ()
jumpToMark mark = do
MarkState {markStateMap = m} <- XS.get
mapM_ focusLocation $ head =<< Map.lookup mark m
getMarkedLocations :: Mark -> X [Location]
getMarkedLocations mark = do
MarkState {markStateMap = m} <- XS.get
return (fromMaybe [] $ Map.lookup mark m)
setFocusedWindow :: a -> StackSet i l a s sd -> StackSet i l a s sd
setFocusedWindow
window
(StackSet (Screen (Workspace t l stack) a b) vis hid float) =
let newStack =
case stack of
Nothing -> Nothing
Just (Stack _ up down) -> Just (Stack window up down) in
StackSet (Screen (Workspace t l newStack) a b) vis hid float
swapWithFocused :: (Ord a) => a -> StackSet i l a s sd -> StackSet i l a s sd
swapWithFocused winToSwap stackSet =
case peek stackSet of
Nothing -> stackSet
Just focused -> do
setFocusedWindow winToSwap $
mapWindows (
\w -> if w == winToSwap then focused else w) stackSet
windowRect :: Window -> X (Maybe Rectangle)
windowRect win = withDisplay $ \dpy -> (do
(_, x, y, w, h, bw, _) <- io $ getGeometry dpy win
return $ Just $ Rectangle x y (w + 2 * bw) (h + 2 * bw))
`catchX` return Nothing
getWindowsAndRects :: X [(Window, Rectangle)]
getWindowsAndRects =
catMaybes <$> (mapM (\w -> fmap (w,) <$> windowRect w)
=<< withWindowSet (return . allWindows))
windowLocation :: Window -> MaybeT X Location
windowLocation win = do
tag <- MaybeT $ withWindowSet $ return . findTag win
return (Location tag (Just win))
farLeftWindow :: MaybeT X Location
farLeftWindow = do
rects <- lift $ sortOn (\(_, Rectangle x _ _ _) -> x) <$> getWindowsAndRects
case rects of
((w, _) : _) -> windowLocation w
_ -> MaybeT (return Nothing)
farRightWindow :: MaybeT X Location
farRightWindow = do
rects <- lift $ sortOn (Down . \(_, Rectangle x _ _ _) -> x) <$> getWindowsAndRects
case rects of
((w, _) : _) -> windowLocation w
_ -> MaybeT (return Nothing)
|
