diff options
Diffstat (limited to 'src/Xmobar/X11/XlibDraw.hs')
-rw-r--r-- | src/Xmobar/X11/XlibDraw.hs | 243 |
1 files changed, 0 insertions, 243 deletions
diff --git a/src/Xmobar/X11/XlibDraw.hs b/src/Xmobar/X11/XlibDraw.hs deleted file mode 100644 index 84f0975..0000000 --- a/src/Xmobar/X11/XlibDraw.hs +++ /dev/null @@ -1,243 +0,0 @@ -{-# LANGUAGE CPP #-} -{-# LANGUAGE TupleSections #-} - ------------------------------------------------------------------------------- --- | --- Module: Xmobar.X11.XlibDraw --- Copyright: (c) 2018, 2020, 2022 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 using Xlib and Xft primitives --- ------------------------------------------------------------------------------- - -module Xmobar.X11.XlibDraw (drawInPixmap, updateActions) where - -import Prelude hiding (lookup) -import Control.Monad.IO.Class -import Control.Monad.Reader -import Data.Map hiding ((\\), foldr, map, filter) -import Data.List ((\\)) -import Data.Maybe (fromJust, isJust) -import qualified Data.List.NonEmpty as NE - -import Graphics.X11.Xlib hiding (textExtents, textWidth, Segment) -import Graphics.X11.Xlib.Extras - -import Xmobar.Config.Types -import Xmobar.Config.Parse (indexedOffset) -import Xmobar.Run.Parsers hiding (parseString) -import Xmobar.Run.Actions -import qualified Xmobar.X11.Bitmap as B -import Xmobar.X11.Types -import Xmobar.X11.Text -import Xmobar.X11.ColorCache -import Xmobar.System.Utils (safeIndex) - -fi :: (Integral a, Num b) => a -> b -fi = fromIntegral - -drawInPixmap :: GC -> Pixmap -> Dimension -> Dimension -> [[Segment]] -> X () -drawInPixmap gc p wid ht ~[left,center,right] = do - r <- ask - let c = config r - d = display r - fs = fontList r - strLn = liftIO . mapM getWidth - iconW i = maybe 0 B.width (lookup i $ iconCache r) - getWidth (Text s,cl,i,_) = - textWidth d (safeIndex fs i) s >>= \tw -> return (Text s,cl,i,fi tw) - getWidth (Icon s,cl,i,_) = return (Icon s,cl,i,fi $ iconW s) - getWidth (Hspace s,cl,i,_) = return (Hspace s,cl,i,fi s) - - withColors d [bgColor c, borderColor c] $ \[bgcolor, bdcolor] -> do - 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 1 L [] =<< strLn left - printStrings p gc fs 1 R [] =<< strLn right - printStrings p gc fs 1 C [] =<< strLn center - -- draw border if requested - liftIO $ drawBorder (border c) (borderWidth c) d p gc bdcolor wid ht - -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 -verticalOffset _ (Hspace _) _ voffs _ = return $ fi voffs - -printString :: Display -> Drawable -> XFont -> GC - -> String -> String - -> Position -> Position -> Position -> Position - -> String -> Int - -> IO () - -printString d p 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') - liftIO $ wcDrawImageString d p fs gc x y s - -printStrings :: Drawable -> GC - -> NE.NonEmpty XFont - -> Position -> Align - -> [((Position, Position), Box)] - -> [(Widget, TextRenderInfo, Int, Position)] - -> X () -printStrings _ _ _ _ _ _ [] = return () -printStrings dr gc fontlist offs a boxes sl@((s,c,i,l):xs) = do - r <- ask - let conf = config r - d = display r - alph = alpha conf - Rectangle _ _ wid ht = rect r - totSLen = foldr (\(_,_,_,len) -> (+) len) 0 sl - remWidth = fi wid - fi totSLen - fontst = safeIndex fontlist i - offset = case a of - C -> (remWidth + offs) `div` 2 - R -> remWidth - L -> offs - (fc,bc) = colorComponents conf (tColorsString c) - valign <- verticalOffset ht s fontst (indexedOffset conf i) conf - let (ht',ay) = case (tBgTopOffset c, tBgBottomOffset c) of - (-1,_) -> (0, -1) - (_,-1) -> (0, -1) - (ot,ob) -> (fromIntegral ht - ot - ob, ob) - case s of - (Text t) -> liftIO $ printString d dr fontst gc fc bc offset valign ay ht' t alph - (Icon p) -> liftIO $ maybe (return ()) - (B.drawBitmap d dr gc fc bc offset valign) - (lookup p (iconCache r)) - (Hspace _) -> liftIO $ return () - let triBoxes = tBoxes c - dropBoxes = filter (\(_,b) -> b `notElem` triBoxes) boxes - boxes' = map (\((x1,_),b) -> ((x1, offset + l), b)) - (filter (\(_,b) -> b `elem` triBoxes) boxes) - ++ map ((offset, offset + l),) (triBoxes \\ map snd boxes) - if Prelude.null xs - then liftIO $ drawBoxes d dr gc (fromIntegral ht) (dropBoxes ++ boxes') - else liftIO $ drawBoxes d dr gc (fromIntegral ht) dropBoxes - printStrings dr gc fontlist (offs + l) a boxes' xs - -drawBoxes :: Display -> Drawable -> GC - -> Position -> [((Position, Position), Box)] - -> IO () -drawBoxes _ _ _ _ [] = return () -drawBoxes d dr gc ht (b:bs) = do - let (xx, Box bb offset lineWidth fc mgs) = b - lw = fromIntegral lineWidth :: Position - withColors d [fc] $ \[fc'] -> do - setForeground d gc fc' - setLineAttributes d gc lineWidth lineSolid capNotLast joinMiter - case bb of - BBVBoth -> do - drawBoxBorder d dr gc BBTop offset ht xx lw mgs - drawBoxBorder d dr gc BBBottom offset ht xx lw mgs - BBHBoth -> do - drawBoxBorder d dr gc BBLeft offset ht xx lw mgs - drawBoxBorder d dr gc BBRight offset ht xx lw mgs - BBFull -> do - drawBoxBorder d dr gc BBTop offset ht xx lw mgs - drawBoxBorder d dr gc BBBottom offset ht xx lw mgs - drawBoxBorder d dr gc BBLeft offset ht xx lw mgs - drawBoxBorder d dr gc BBRight offset ht xx lw mgs - _ -> drawBoxBorder d dr gc bb offset ht xx lw mgs - drawBoxes d dr gc ht bs - -drawBoxBorder :: Display -> Drawable -> GC - -> BoxBorder -> BoxOffset - -> Position -> (Position, Position) -> Position - -> BoxMargins - -> IO () -drawBoxBorder - d dr gc pos (BoxOffset alg offset) ht (x1,x2) lw (BoxMargins mt mr mb ml) = do - let (p1,p2) = case alg of - L -> (0, -offset) - C -> (offset, -offset) - R -> (offset, 0 ) - lc = lw `div` 2 - case pos of - BBTop -> drawLine d dr gc (x1 + p1) (mt + lc) (x2 + p2) (mt + lc) - BBBottom -> do - let lc' = max lc 1 + mb - drawLine d dr gc (x1 + p1) (ht - lc') (x2 + p2) (ht - lc') - BBLeft -> drawLine d dr gc (x1 - 1 + ml) p1 (x1 - 1 + ml) (ht + p2) - BBRight -> drawLine d dr gc (x2 + lc - 1 - mr) p1 (x2 + lc - 1 - mr) (ht + p2) - _ -> error "unreachable code" - - -drawBorder :: Border -> Int -> Display -> Drawable -> GC -> Pixel - -> Dimension -> Dimension -> IO () -drawBorder b lw d p gc c wi ht = case b of - NoBorder -> return () - TopB -> drawBorder (TopBM 0) lw d p gc c wi ht - BottomB -> drawBorder (BottomBM 0) lw d p gc c wi ht - FullB -> drawBorder (FullBM 0) lw d p gc c wi ht - TopBM m -> sf >> sla >> - drawLine d p gc 0 (fi m + boff) (fi wi) (fi m + boff) - BottomBM m -> let rw = fi ht - fi m + boff in - sf >> sla >> drawLine d p gc 0 rw (fi wi) rw - FullBM m -> let mp = fi m - pad = 2 * fi mp + fi lw - in sf >> sla >> - drawRectangle d p gc mp mp (wi - pad) (ht - pad) - where sf = setForeground d gc c - sla = setLineAttributes d gc (fi lw) lineSolid capNotLast joinMiter - boff = borderOffset b lw - -borderOffset :: (Integral a) => Border -> Int -> a -borderOffset b lw = - case b of - BottomB -> negate boffs - BottomBM _ -> negate boffs - TopB -> boffs - TopBM _ -> boffs - _ -> 0 - where boffs = calcBorderOffset lw - -calcBorderOffset :: (Integral a) => Int -> a -calcBorderOffset = ceiling . (/2) . toDouble - where toDouble = fi :: (Integral a) => a -> Double - -updateActions :: Rectangle -> [[Segment]] -> X [([Action], Position, Position)] -updateActions (Rectangle _ _ wid _) ~[left,center,right] = do - conf <- ask - let d = display conf - fs = fontList conf - strLn :: [Segment] -> IO [(Maybe [Action], Position, Position)] - strLn = liftIO . mapM getCoords - iconW i = maybe 0 B.width (lookup i $ iconCache conf) - getCoords (Text s,_,i,a) = - textWidth d (safeIndex fs i) s >>= \tw -> return (a, 0, fi tw) - getCoords (Icon s,_,_,a) = return (a, 0, fi $ iconW s) - getCoords (Hspace w,_,_,a) = return (a, 0, fi w) - partCoord off xs = map (\(a, x, x') -> (fromJust a, x, x')) $ - filter (\(a, _,_) -> isJust a) $ - scanl (\(_,_,x') (a,_,w') -> (a, x', x' + w')) - (Nothing, 0, off) - xs - totSLen = foldr (\(_,_,len) -> (+) len) 0 - remWidth xs = fi wid - totSLen xs - offs = 1 - offset a xs = case a of - C -> (remWidth xs + offs) `div` 2 - R -> remWidth xs - L -> offs - liftIO $ fmap concat $ mapM (\(a,xs) -> - (\xs' -> partCoord (offset a xs') xs') <$> strLn xs) $ - zip [L,C,R] [left,center,right] |