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{-# LANGUAGE DeriveGeneric #-}
------------------------------------------------------------------------------
-- |
-- Module: Xmobar.Text.Swaybar
-- Copyright: (c) 2022 Jose Antonio Ortega Ruiz
-- License: BSD3-style (see LICENSE)
--
-- Maintainer: jao@gnu.org
-- Stability: unstable
-- Portability: portable
-- Created: Fri Feb 4, 2022 03:58
--
--
-- Segment codification using swaybar-protocol JSON strings
--
------------------------------------------------------------------------------
module Xmobar.Text.Swaybar (prepare, formatSwaybar) where
import Data.Aeson
import Data.ByteString.Lazy.UTF8 (toString)
import GHC.Generics
import Xmobar.Config.Types (Config)
import Xmobar.Run.Parsers ( Segment
, Widget(..)
, tColorsString
, colorComponents)
import Xmobar.Text.SwaybarClicks (startHandler)
data Preamble =
Preamble {version :: !Int, click_events :: Bool} deriving (Eq,Show,Generic)
asString :: ToJSON a => a -> String
asString = toString . encode
preamble :: String
preamble = (asString $ Preamble { version = 1, click_events = True }) ++ "\x0A["
data Block =
Block { full_text :: !String
, color :: !String
, background :: !String
, separator :: !Bool
, separator_block_width :: !Int
, name :: !String
} deriving (Eq,Show,Generic)
defaultBlock :: Block
defaultBlock = Block { full_text = ""
, name = ""
, color = ""
, background = ""
, separator = False
, separator_block_width = 0}
instance ToJSON Preamble
instance ToJSON Block
formatSwaybar' :: Config -> Segment -> Block
formatSwaybar' conf (Text txt, info, _, as) =
defaultBlock {full_text = txt , color = fg , background = bg , name = show as}
where (fg, bg) = colorComponents conf (tColorsString info)
formatSwaybar' conf (Hspace n, info, i, a) =
formatSwaybar' conf (Text (replicate (fromIntegral n) ' '), info, i, a)
formatSwaybar' _ _ = defaultBlock
formatSwaybar :: Config -> [Segment] -> String
formatSwaybar conf segs = asString elems ++ ","
where elems = filter (not . null . full_text) (map (formatSwaybar' conf) segs)
prepare :: IO ()
prepare = startHandler >> putStrLn preamble
|
