diff options
-rw-r--r-- | src/app/Main.hs | 13 | ||||
-rw-r--r-- | src/lib/Xmobar.hs | 32 | ||||
-rw-r--r-- | src/lib/Xmobar/Window.hs | 19 | ||||
-rw-r--r-- | src/lib/Xmobar/XUtil.hs (renamed from src/lib/Xmobar/XUtil.hsc) | 67 |
4 files changed, 53 insertions, 78 deletions
diff --git a/src/app/Main.hs b/src/app/Main.hs index c96c47e..22834b1 100644 --- a/src/app/Main.hs +++ b/src/app/Main.hs @@ -40,6 +40,7 @@ import System.Posix.Files import Control.Concurrent.Async (Async, cancel) import Control.Exception (bracket) import Control.Monad (unless) +import Control.Monad.IO.Class (liftIO) import Text.Read (readMaybe) import Xmobar.Signal (setupSignalHandler, withDeferSignals) @@ -100,9 +101,9 @@ splitTemplate conf = -- | Reads the configuration files or quits with an error readConfig :: FilePath -> IO (Config,[String]) readConfig f = do - file <- io $ fileExist f - s <- io $ if file then readFileSafe f else error $ - f ++ ": file not found!\n" ++ usage + file <- liftIO $ fileExist f + s <- liftIO $ if file then readFileSafe f else error $ + f ++ ": file not found!\n" ++ usage either (\err -> error $ f ++ ": configuration file contains errors at:\n" ++ show err) return $ parseConfig s @@ -123,10 +124,10 @@ getXdgConfigFile = fmap (</> "xmobarrc") xmobarConfigDir readDefaultConfig :: IO (Config,[String]) readDefaultConfig = do xdgConfigFile <- getXdgConfigFile - xdgConfigFileExists <- io $ fileExist xdgConfigFile - home <- io $ getEnv "HOME" + xdgConfigFileExists <- liftIO $ fileExist xdgConfigFile + home <- liftIO $ getEnv "HOME" let defaultConfigFile = home ++ "/.xmobarrc" - defaultConfigFileExists <- io $ fileExist defaultConfigFile + defaultConfigFileExists <- liftIO $ fileExist defaultConfigFile if xdgConfigFileExists then readConfig xdgConfigFile else if defaultConfigFileExists diff --git a/src/lib/Xmobar.hs b/src/lib/Xmobar.hs index e4eb4b7..4172780 100644 --- a/src/lib/Xmobar.hs +++ b/src/lib/Xmobar.hs @@ -253,14 +253,14 @@ updateString :: Config -> TVar [String] updateString conf v = do s <- readTVarIO v let l:c:r:_ = s ++ repeat "" - io $ mapM (parseString conf) [l, c, r] + liftIO $ mapM (parseString conf) [l, c, r] updateActions :: XConf -> Rectangle -> [[(Widget, String, Int, Maybe [Action])]] -> IO [([Action], Position, Position)] updateActions conf (Rectangle _ _ wid _) ~[left,center,right] = do let (d,fs) = (display &&& fontListS) conf strLn :: [(Widget, String, Int, Maybe [Action])] -> IO [(Maybe [Action], Position, Position)] - strLn = io . mapM getCoords + strLn = liftIO . mapM getCoords iconW i = maybe 0 Bitmap.width (lookup i $ iconS conf) getCoords (Text s,_,i,a) = textWidth d (fs!!i) s >>= \tw -> return (a, 0, fi tw) getCoords (Icon s,_,_,a) = return (a, 0, fi $ iconW s) @@ -288,46 +288,46 @@ drawInWin wr@(Rectangle _ _ wid ht) ~[left,center,right] = do r <- ask let (c,d) = (config &&& display) r (w,(fs,vs)) = (window &&& fontListS &&& verticalOffsets) r - strLn = io . mapM getWidth + strLn = liftIO . mapM getWidth iconW i = maybe 0 Bitmap.width (lookup i $ iconS r) getWidth (Text s,cl,i,_) = textWidth d (fs!!i) s >>= \tw -> return (Text s,cl,i,fi tw) getWidth (Icon s,cl,i,_) = return (Icon s,cl,i,fi $ iconW s) - p <- io $ createPixmap d w wid ht + p <- liftIO $ createPixmap d w wid ht (defaultDepthOfScreen (defaultScreenOfDisplay d)) #if XFT - when (alpha c /= 255) (io $ drawBackground d p (bgColor c) (alpha c) wr) + when (alpha c /= 255) (liftIO $ drawBackground d p (bgColor c) (alpha c) wr) #endif withColors d [bgColor c, borderColor c] $ \[bgcolor, bdcolor] -> do - gc <- io $ createGC d w + gc <- liftIO $ createGC d w #if XFT when (alpha c == 255) $ do #else do #endif - io $ setForeground d gc bgcolor - io $ fillRectangle d p gc 0 0 wid ht + liftIO $ setForeground d gc bgcolor + liftIO $ fillRectangle d p gc 0 0 wid ht -- write to the pixmap the new string printStrings p gc fs vs 1 L =<< strLn left printStrings p gc fs vs 1 R =<< strLn right printStrings p gc fs vs 1 C =<< strLn center -- draw border if requested - io $ drawBorder (border c) (borderWidth c) d p gc bdcolor wid ht + liftIO $ drawBorder (border c) (borderWidth c) d p gc bdcolor wid ht -- copy the pixmap with the new string to the window - io $ copyArea d p w gc 0 0 wid ht 0 0 + liftIO $ copyArea d p w gc 0 0 wid ht 0 0 -- free up everything (we do not want to leak memory!) - io $ freeGC d gc - io $ freePixmap d p + liftIO $ freeGC d gc + liftIO $ freePixmap d p -- resync - io $ sync d True + liftIO $ sync d True verticalOffset :: (Integral b, Integral a, MonadIO m) => a -> Widget -> XFont -> Int -> Config -> m b verticalOffset ht (Text t) fontst voffs _ | voffs > -1 = return $ fi voffs | otherwise = do - (as,ds) <- io $ textExtents fontst t + (as,ds) <- liftIO $ textExtents fontst t let margin = (fi ht - fi ds - fi as) `div` 2 return $ fi as + margin - 1 verticalOffset ht (Icon _) _ _ conf @@ -355,8 +355,8 @@ printStrings dr gc fontlist voffs offs a sl@((s,c,i,l):xs) = do (f, _) -> (f, bgColor conf) valign <- verticalOffset ht s (head fontlist) (voffs !! i) conf case s of - (Text t) -> io $ printString d dr fontst gc fc bc offset valign t alph - (Icon p) -> io $ maybe (return ()) + (Text t) -> liftIO $ printString d dr fontst gc fc bc offset valign t alph + (Icon p) -> liftIO $ maybe (return ()) (drawBitmap d dr gc fc bc offset valign) (lookup p (iconS r)) printStrings dr gc fontlist voffs (offs + l) a xs diff --git a/src/lib/Xmobar/Window.hs b/src/lib/Xmobar/Window.hs index c8228de..c8ba1bd 100644 --- a/src/lib/Xmobar/Window.hs +++ b/src/lib/Xmobar/Window.hs @@ -33,6 +33,18 @@ import Xmobar.XUtil -- $window +-- | Creates a window with the attribute override_redirect set to True. +-- Windows Managers should not touch this kind of windows. +newWindow :: Display -> Screen -> Window -> Rectangle -> Bool -> IO Window +newWindow dpy scr rw (Rectangle x y w h) o = do + let visual = defaultVisualOfScreen scr + attrmask = if o then cWOverrideRedirect else 0 + allocaSetWindowAttributes $ + \attributes -> do + set_override_redirect attributes o + createWindow dpy rw x y w h 0 (defaultDepthOfScreen scr) + inputOutput visual attrmask attributes + -- | The function to create the initial window createWin :: Display -> XFont -> Config -> IO (Rectangle,Window) createWin d fs c = do @@ -41,7 +53,7 @@ createWin d fs c = do rootw <- rootWindow d dflt (as,ds) <- textExtents fs "0" let ht = as + ds + 4 - r = setPosition c (position c) srs (fi ht) + r = setPosition c (position c) srs (fromIntegral ht) win <- newWindow d (defaultScreenOfDisplay d) rootw r (overrideRedirect c) setProperties c d win setStruts r c d win srs @@ -55,11 +67,14 @@ repositionWin d win fs c = do srs <- getScreenInfo d (as,ds) <- textExtents fs "0" let ht = as + ds + 4 - r = setPosition c (position c) srs (fi ht) + r = setPosition c (position c) srs (fromIntegral ht) moveResizeWindow d win (rect_x r) (rect_y r) (rect_width r) (rect_height r) setStruts r c d win srs return r +fi :: (Integral a, Num b) => a -> b +fi = fromIntegral + setPosition :: Config -> XPosition -> [Rectangle] -> Dimension -> Rectangle setPosition c p rs ht = case p' of diff --git a/src/lib/Xmobar/XUtil.hsc b/src/lib/Xmobar/XUtil.hs index 05e6fad..5093e59 100644 --- a/src/lib/Xmobar/XUtil.hsc +++ b/src/lib/Xmobar/XUtil.hs @@ -1,3 +1,5 @@ +{-# LANGUAGE CPP #-} + ----------------------------------------------------------------------------- -- | -- Module : XUtil @@ -19,12 +21,9 @@ module Xmobar.XUtil , textExtents , textWidth , printString - , newWindow , nextEvent' , readFileSafe , hGetLineSafe - , io - , fi ) where import Control.Concurrent @@ -41,12 +40,9 @@ import System.Posix.Types (Fd(..)) import System.IO #if defined XFT || defined UTF8 -# if __GLASGOW_HASKELL__ < 612 -import qualified System.IO.UTF8 as UTF8 (readFile,hGetLine) -# else -import qualified System.IO as UTF8 (readFile,hGetLine) -# endif +import qualified System.IO as S (readFile,hGetLine) #endif + #if defined XFT import Xmobar.MinXft import Graphics.X11.Xrender @@ -56,14 +52,14 @@ import Xmobar.ColorCache readFileSafe :: FilePath -> IO String #if defined XFT || defined UTF8 -readFileSafe = UTF8.readFile +readFileSafe = S.readFile #else readFileSafe = readFile #endif hGetLineSafe :: Handle -> IO String #if defined XFT || defined UTF8 -hGetLineSafe = UTF8.hGetLine +hGetLineSafe = S.hGetLine #else hGetLineSafe = hGetLine #endif @@ -91,11 +87,7 @@ initFont d s = initFont d miscFixedFont #endif else -#if defined UTF8 || __GLASGOW_HASKELL__ >= 612 fmap Utf8 $ initUtf8Font d s -#else - fmap Core $ initCoreFont d s -#endif miscFixedFont :: String miscFixedFont = "-misc-fixed-*-*-*-*-*-*-*-*-*-*-*-*" @@ -115,7 +107,6 @@ initCoreFont d s = do -- not valid the default font will be loaded and returned. initUtf8Font :: Display -> String -> IO FontSet initUtf8Font d s = do - setupLocale (_,_,f) <- handle fallBack getIt addFinalizer f (freeFontSet d f) return f @@ -126,7 +117,6 @@ initUtf8Font d s = do #ifdef XFT initXftFont :: Display -> String -> IO [AXftFont] initXftFont d s = do - setupLocale let fontNames = wordsBy (== ',') (drop 4 s) mapM openFont fontNames where @@ -142,8 +132,8 @@ initXftFont d s = do #endif textWidth :: Display -> XFont -> String -> IO Int -textWidth _ (Utf8 fs) s = return $ fi $ wcTextEscapement fs s -textWidth _ (Core fs) s = return $ fi $ Xlib.textWidth fs s +textWidth _ (Utf8 fs) s = return $ fromIntegral $ wcTextEscapement fs s +textWidth _ (Core fs) s = return $ fromIntegral $ Xlib.textWidth fs s #ifdef XFT textWidth dpy (Xft xftdraw) s = do gi <- xftTxtExtents' dpy xftdraw s @@ -156,13 +146,13 @@ textExtents (Core fs) s = do return (a,d) textExtents (Utf8 fs) s = do let (_,rl) = wcTextExtents fs s - ascent = fi $ - (rect_y rl) - descent = fi $ rect_height rl + fi (rect_y rl) + ascent = fromIntegral $ - (rect_y rl) + descent = fromIntegral $ rect_height rl + fromIntegral (rect_y rl) return (ascent, descent) #ifdef XFT textExtents (Xft xftfonts) _ = do - ascent <- fi `fmap` xft_ascent' xftfonts - descent <- fi `fmap` xft_descent' xftfonts + ascent <- fromIntegral `fmap` xft_ascent' xftfonts + descent <- fromIntegral `fmap` xft_descent' xftfonts return (ascent, descent) #endif @@ -179,7 +169,7 @@ printString d p (Utf8 fs) gc fc bc x y s a = withColors d [fc, bc] $ \[fc', bc'] -> do setForeground d gc fc' when (a == 255) (setBackground d gc bc') - io $ wcDrawImageString d p fs gc x y s + liftIO $ wcDrawImageString d p fs gc x y s #ifdef XFT printString dpy drw fs@(Xft fonts) _ fc bc x y s al = @@ -191,18 +181,6 @@ printString dpy drw fs@(Xft fonts) _ fc bc x y s al = drawXftString' draw fc' fonts (toInteger x) (toInteger y) s #endif - --- | Creates a window with the attribute override_redirect set to True. --- Windows Managers should not touch this kind of windows. -newWindow :: Display -> Screen -> Window -> Rectangle -> Bool -> IO Window -newWindow dpy scr rw (Rectangle x y w h) o = do - let visual = defaultVisualOfScreen scr - attrmask = if o then cWOverrideRedirect else 0 - allocaSetWindowAttributes $ - \attributes -> do - set_override_redirect attributes o - createWindow dpy rw x y w h 0 (defaultDepthOfScreen scr) - inputOutput visual attrmask attributes -- | A version of nextEvent that does not block in foreign calls. nextEvent' :: Display -> XEventPtr -> IO () nextEvent' d p = do @@ -214,22 +192,3 @@ nextEvent' d p = do nextEvent' d p where fd = connectionNumber d - -io :: MonadIO m => IO a -> m a -io = liftIO - --- | Short-hand for 'fromIntegral' -fi :: (Integral a, Num b) => a -> b -fi = fromIntegral - -#if __GLASGOW_HASKELL__ < 612 && (defined XFT || defined UTF8) -#include <locale.h> -foreign import ccall unsafe "locale.h setlocale" - setlocale :: CInt -> CString -> IO CString - -setupLocale :: IO () -setupLocale = withCString "" (setlocale $ #const LC_ALL) >> return () -# else -setupLocale :: IO () -setupLocale = return () -#endif |