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Diffstat (limited to 'src/lib/Xmobar/Draw.hs')
| -rw-r--r-- | src/lib/Xmobar/Draw.hs | 123 |
1 files changed, 0 insertions, 123 deletions
diff --git a/src/lib/Xmobar/Draw.hs b/src/lib/Xmobar/Draw.hs deleted file mode 100644 index e63cd27..0000000 --- a/src/lib/Xmobar/Draw.hs +++ /dev/null @@ -1,123 +0,0 @@ -{-# LANGUAGE CPP #-} - ------------------------------------------------------------------------------- --- | --- Module: Xmobar.Draw --- Copyright: (c) 2018 Jose Antonio Ortega Ruiz --- License: BSD3-style (see LICENSE) --- --- Maintainer: jao@gnu.org --- Stability: unstable --- Portability: portable --- Created: Sat Nov 24, 2018 18:49 --- --- --- Drawing the xmobar contents --- ------------------------------------------------------------------------------- - - -module Xmobar.Draw (drawInWin) where - -import Prelude hiding (lookup) -import Control.Monad.IO.Class -import Control.Monad.Reader -import Control.Arrow ((&&&)) -import Data.Map hiding (foldr, map, filter) - -import Graphics.X11.Xlib hiding (textExtents, textWidth) - -import Xmobar.Parsers (Widget(..)) -import Xmobar.Actions (Action(..)) -import qualified Xmobar.Bitmap as B -import Xmobar.Types -import Xmobar.XUtil -import Xmobar.Config -import Xmobar.ColorCache -import Xmobar.Window (drawBorder) - -#ifdef XFT -import Xmobar.MinXft (drawBackground) -#endif - -fi :: (Integral a, Num b) => a -> b -fi = fromIntegral - --- | Draws in and updates the window -drawInWin :: Rectangle -> [[(Widget, String, Int, Maybe [Action])]] -> X () -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 = liftIO . mapM getWidth - iconW i = maybe 0 B.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 <- liftIO $ createPixmap d w wid ht - (defaultDepthOfScreen (defaultScreenOfDisplay d)) -#if XFT - when (alpha c /= 255) (liftIO $ drawBackground d p (bgColor c) (alpha c) wr) -#endif - withColors d [bgColor c, borderColor c] $ \[bgcolor, bdcolor] -> do - gc <- liftIO $ createGC d w -#if XFT - when (alpha c == 255) $ do -#else - do -#endif - 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 - liftIO $ drawBorder (border c) (borderWidth c) d p gc bdcolor wid ht - -- copy the pixmap with the new string to the window - liftIO $ copyArea d p w gc 0 0 wid ht 0 0 - -- free up everything (we do not want to leak memory!) - liftIO $ freeGC d gc - liftIO $ freePixmap d p - -- resync - 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) <- liftIO $ textExtents fontst t - let margin = (fi ht - fi ds - fi as) `div` 2 - return $ fi as + margin - 1 -verticalOffset ht (Icon _) _ _ conf - | iconOffset conf > -1 = return $ fi (iconOffset conf) - | otherwise = return $ fi (ht `div` 2) - 1 - --- | An easy way to print the stuff we need to print -printStrings :: Drawable -> GC -> [XFont] -> [Int] -> Position - -> Align -> [(Widget, String, Int, Position)] -> X () -printStrings _ _ _ _ _ _ [] = return () -printStrings dr gc fontlist voffs offs a sl@((s,c,i,l):xs) = do - r <- ask - let (conf,d) = (config &&& display) r - alph = alpha conf - Rectangle _ _ wid ht = rect r - totSLen = foldr (\(_,_,_,len) -> (+) len) 0 sl - remWidth = fi wid - fi totSLen - fontst = fontlist !! i - offset = case a of - C -> (remWidth + offs) `div` 2 - R -> remWidth - L -> offs - (fc,bc) = case break (==',') c of - (f,',':b) -> (f, b ) - (f, _) -> (f, bgColor conf) - valign <- verticalOffset ht s (head fontlist) (voffs !! i) conf - case s of - (Text t) -> liftIO $ printString d dr fontst gc fc bc offset valign t alph - (Icon p) -> liftIO $ maybe (return ()) - (B.drawBitmap d dr gc fc bc offset valign) - (lookup p (iconS r)) - printStrings dr gc fontlist voffs (offs + l) a xs |