diff options
-rw-r--r-- | Main.hs | 28 | ||||
-rw-r--r-- | W.hs | 9 |
2 files changed, 24 insertions, 13 deletions
@@ -15,16 +15,21 @@ import qualified Data.Map as Map import Data.Map (Map) + import Data.Sequence as Seq import qualified Data.Foldable as Fold + import Data.Bits -import Control.Monad.State + import System.IO -import Graphics.X11.Xlib -import Graphics.X11.Xlib.Extras import System.Process (runCommand) import System.Exit +import Graphics.X11.Xlib +import Graphics.X11.Xlib.Extras + +import Control.Monad.State + import W ------------------------------------------------------------------------ @@ -65,8 +70,6 @@ loop = do forever $ do e <- io $ allocaXEvent $ \ev -> nextEvent dpy ev >> getEvent ev handler e - where - forever a = a >> forever a -- -- The event handler @@ -78,13 +81,14 @@ handler (DestroyWindowEvent {window = w}) = do modifyWindows (Seq.fromList . filter (/= w) . Fold.toList) refresh -handler (KeyEvent {event_type = t, state = mod, keycode = code}) - | t == keyPress = do - dpy <- getDisplay - sym <- io $ keycodeToKeysym dpy code 0 - case filter (\(mod', sym', _) -> mod == mod' && sym == sym') keys of - [] -> return () - ((_, _, act):_) -> act +handler (KeyEvent {event_type = t, state = mod, keycode = code}) + | t == keyPress = do + dpy <- getDisplay + sym <- io $ keycodeToKeysym dpy code 0 + case filter (\(mod', sym', _) -> mod == mod' && sym == sym') keys of + [] -> return () + ((_, _, act):_) -> act + handler _ = return () -- @@ -10,7 +10,8 @@ -- ----------------------------------------------------------------------------- -- --- The W monad, a state monad transformer over IO, for the window manager state. +-- The W monad, a state monad transformer over IO, for the window +-- manager state, and support routines. -- module W where @@ -70,6 +71,12 @@ trace msg = io $ do hPutStrLn stderr msg hFlush stderr +-- +-- | Run an action forever +-- +forever :: (Monad m) => m a -> m b +forever a = a >> forever a + -- --------------------------------------------------------------------- -- Getting at the window manager state |