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module Rahm.Desktop.Marking
( markCurrentWindow,
jumpToMark,
setAlternateWindows,
getAlternateWindows,
setAlternateWorkspace,
getAlternateWorkspace,
getMarkedLocations,
markAllLocations,
farLeftWindow,
farRightWindow,
windowLocation,
markWindow,
Mark,
)
where
import Control.Monad.Trans (lift)
import Control.Monad.Trans.Maybe (MaybeT (MaybeT))
import Data.List (sortOn)
import Data.List.Safe (head)
import Data.Map (Map)
import qualified Data.Map as Map
( empty,
insert,
insertWith,
lookup,
)
import Data.Maybe (catMaybes, fromMaybe)
import Data.Ord (Down (..))
import Rahm.Desktop.Common
( Location (Location),
focusLocation,
getCurrentWorkspace,
)
import Rahm.Desktop.Logger (LogLevel (Debug), logs)
import Rahm.Desktop.StackSet
( Screen (Screen),
Stack (Stack),
StackSet (StackSet),
Workspace (Workspace),
allWindows,
findTag,
mapWindows,
peek,
)
import XMonad
( ExtensionClass (..),
Rectangle (Rectangle),
StateExtension (PersistentExtension),
Window,
WorkspaceId,
X,
catchX,
getGeometry,
io,
withDisplay,
withFocused,
withWindowSet,
)
import qualified XMonad.Util.ExtensibleState as XS (get, modify)
import Prelude hiding (head)
{- 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 = do
logs Debug "Marking locations %s as \"%s\"" (show locs) (show mark)
XS.modify $ \m ->
m
{ markStateMap = Map.insert mark locs (markStateMap m)
}
markWindow :: Mark -> Window -> X ()
markWindow mark window = do
logs Debug "Marking window %s as \"%s\"" (show window) (show mark)
ws <- getCurrentWorkspace
XS.modify $ \state@MarkState {markStateMap = ms} ->
state
{ markStateMap = Map.insertWith (++) mark [Location ws $ Just window] ms
}
markCurrentWindow :: Mark -> X ()
markCurrentWindow = withFocused . markWindow
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)
|
