diff options
Diffstat (limited to 'src/Xmobar/X11/Parsers.hs')
-rw-r--r-- | src/Xmobar/X11/Parsers.hs | 58 |
1 files changed, 47 insertions, 11 deletions
diff --git a/src/Xmobar/X11/Parsers.hs b/src/Xmobar/X11/Parsers.hs index fded3b3..c25715c 100644 --- a/src/Xmobar/X11/Parsers.hs +++ b/src/Xmobar/X11/Parsers.hs @@ -14,7 +14,7 @@ -- ----------------------------------------------------------------------------- -module Xmobar.X11.Parsers (parseString, TextRenderInfo(..), Widget(..)) where +module Xmobar.X11.Parsers (parseString, Box(..), BoxBorder(..), TextRenderInfo(..), Widget(..)) where import Xmobar.Config.Types import Xmobar.X11.Actions @@ -25,15 +25,37 @@ import Data.Int (Int32) import Text.ParserCombinators.Parsec import Text.Read (readMaybe) import Graphics.X11.Types (Button) +import Foreign.C.Types (CInt) data Widget = Icon String | Text String -type AbsBgOffset = Int32 +data BoxBorder = BBTop + | BBBottom + | BBVBoth + | BBLeft + | BBRight + | BBHBoth + | BBFull + deriving ( Read, Eq ) +data Box = Box BoxBorder Align Int32 CInt String deriving ( Eq ) +instance Read Box where + readsPrec _ input = do + let b = case (words input) of + [pos] -> Just $ Box (read pos) C 0 1 "white" + [pos,alg] -> Just $ Box (read pos) (read alg) 0 1 "white" + [pos,alg,off] -> Just $ Box (read pos) (read alg) (read off) 1 "white" + [pos,alg,off,wdh] -> Just $ Box (read pos) (read alg) (read off) (read wdh) "white" + [pos,alg,off,wdh,c] -> Just $ Box (read pos) (read alg) (read off) (read wdh) c + _ -> Nothing + case b of + Just b' -> [(b', "")] + _ -> [] data TextRenderInfo = - TextRenderInfo { tColorsString :: String - , tBgTopOffset :: AbsBgOffset - , tBgBottomOffset :: AbsBgOffset - } deriving Show + TextRenderInfo { tColorsString :: String + , tBgTopOffset :: Int32 + , tBgBottomOffset :: Int32 + , tBoxes :: [Box] + } type FontIndex = Int -- | Runs the string parser @@ -46,7 +68,7 @@ parseString c s = , 0 , Nothing)] Right x -> return (concat x) - where ci = TextRenderInfo (fgColor c) 0 0 + where ci = TextRenderInfo (fgColor c) 0 0 [] allParsers :: TextRenderInfo -> FontIndex @@ -57,7 +79,8 @@ allParsers c f a = textParser c f a <|> try (rawParser c f a) <|> try (actionParser c f a) <|> try (fontParser c a) - <|> colorParser f a + <|> try (boxParser c f a) + <|> colorParser c f a -- | Gets the string and combines the needed parsers stringParser :: TextRenderInfo -> FontIndex -> Maybe [Action] @@ -71,12 +94,14 @@ textParser c f a = do s <- many1 $ noneOf "<" <|> try (notFollowedBy' (char '<') (try (string "fc=") <|> + try (string "box=") <|> try (string "fn=") <|> try (string "action=") <|> try (string "/action>") <|> try (string "icon=") <|> try (string "raw=") <|> try (string "/fn>") <|> + try (string "/box>") <|> string "/fc>")) return [(Text s, c, f, a)] @@ -135,19 +160,30 @@ toButtons :: String -> [Button] toButtons = map (\x -> read [x]) -- | Parsers a string wrapped in a color specification. -colorParser :: FontIndex -> Maybe [Action] +colorParser :: TextRenderInfo -> FontIndex -> Maybe [Action] -> Parser [(Widget, TextRenderInfo, FontIndex, Maybe [Action])] -colorParser f a = do +colorParser (TextRenderInfo _ _ _ bs) f a = do c <- between (string "<fc=") (string ">") colors let colorParts = break (==':') c let (ot,ob) = case break (==',') (Prelude.drop 1 $ snd colorParts) of (top,',':btm) -> (top, btm) (top, _) -> (top, top) s <- manyTill - (allParsers (TextRenderInfo (fst colorParts) (fromMaybe (-1) $ readMaybe ot) (fromMaybe (-1) $ readMaybe ob)) f a) + (allParsers (TextRenderInfo (fst colorParts) (fromMaybe (-1) $ readMaybe ot) (fromMaybe (-1) $ readMaybe ob) bs) f a) (try $ string "</fc>") return (concat s) +-- | Parses a string wrapped in a box specification. +boxParser :: TextRenderInfo -> FontIndex -> Maybe [Action] + -> Parser [(Widget, TextRenderInfo, FontIndex, Maybe [Action])] +boxParser (TextRenderInfo cs ot ob bs) f a = do + c <- between (string "<box=") (string ">") (many1 (alphaNum <|> char ' ' <|> char '#')) + let b = fromMaybe (Box BBFull C 0 1 "white") $ readMaybe c + s <- manyTill + (allParsers (TextRenderInfo cs ot ob (b : bs)) f a) + (try $ string "</box>") + return (concat s) + -- | Parsers a string wrapped in a font specification. fontParser :: TextRenderInfo -> Maybe [Action] -> Parser [(Widget, TextRenderInfo, FontIndex, Maybe [Action])] |