diff options
Diffstat (limited to 'src/Xmobar')
| -rw-r--r-- | src/Xmobar/Plugins/Accordion.hs | 97 | ||||
| -rw-r--r-- | src/Xmobar/Plugins/ArchUpdates.hs | 41 | ||||
| -rw-r--r-- | src/Xmobar/Run/Types.hs | 2 |
3 files changed, 140 insertions, 0 deletions
diff --git a/src/Xmobar/Plugins/Accordion.hs b/src/Xmobar/Plugins/Accordion.hs new file mode 100644 index 0000000..6377928 --- /dev/null +++ b/src/Xmobar/Plugins/Accordion.hs @@ -0,0 +1,97 @@ +{-# LANGUAGE TupleSections, FlexibleContexts #-} + +----------------------------------------------------------------------------- +-- | +-- Module : Plugins.Monitors.Accordion +-- Copyright : (c) 2024 Enrico Maria De Angelis +-- License : BSD-style (see LICENSE) +-- +-- Maintainer : Enrico Maria De Angelis <enricomaria.dean6elis@gmail.com> +-- Stability : unstable +-- Portability : unportable +-- +-- A plugin to group adjacent plugins and make them, as a whole, shrinkable to +-- an alternate text upon clicking. +-- +----------------------------------------------------------------------------- + +module Xmobar.Plugins.Accordion (defaultTuning, makeAccordion, Tuning(..)) where + +import Control.Concurrent.Async (withAsync) +import Control.Exception (finally) +import Control.Monad (forever, join, when) +import Control.Monad.IO.Class (liftIO) +import Control.Monad.Reader (runReaderT, ask) +import Control.Monad.State.Strict (evalStateT, get, modify') +import Data.IORef (atomicModifyIORef', newIORef, readIORef) +import Data.Maybe (isJust) +import System.Directory (removeFile) +import System.Exit (ExitCode(..)) +import System.Process (readProcessWithExitCode) +import Xmobar.Run.Exec (Exec(..), tenthSeconds) + +-- TODO: Ideally, I'd have just `Accordion`, and not `Tuning`, but since +-- `Accordion` is polymorphic, I can't have a `defaultAccordion` constructor +-- with `plugins = []`, because that leaves `a` undetermined. +-- So I have move all non-polymorphic typed members in `Tuning`, allowing for +-- default values at least for those members. +data Accordion a = Accordion { + tuning :: Tuning + , plugins :: [a] +} deriving (Show, Read) + +makeAccordion :: Exec a => Tuning -> [a] -> Accordion a +makeAccordion t rs = Accordion { tuning = t, plugins = rs } + +data Tuning = Tuning { + alias' :: String + , initial :: Bool + , expand :: String + , shrink :: String +} deriving (Read, Show) + +defaultTuning :: Tuning +defaultTuning = Tuning { + alias' = "accordion" + , initial = True + , expand = "<>" + , shrink = "><" +} + +instance (Exec a, Read a, Show a) => Exec (Accordion a) where + alias (Accordion Tuning { alias' = name } _) = name + start (Accordion Tuning { initial = initial' + , expand = expand' + , shrink = shrink' } + runnables) + cb = do + clicked <- newIORef Nothing + (_, n, _) <- readProcessWithExitCode "uuidgen" [] "" + let pipe = "/tmp/accordion-" ++ removeLinebreak n + (_, _, _) <- readProcessWithExitCode "mkfifo" [pipe] "" + withAsync (forever $ do (ret, _, _) <- readProcessWithExitCode "cat" [pipe] "" + case ret of + ExitSuccess -> atomicModifyIORef' clicked (const (Just (), ())) + ExitFailure _ -> error "how is this possible?") + (const $ do + srefs <- mapM (newIORef . const "") runnables + foldr (\(runnable, sref) acc -> withAsync (start runnable (writeToRef sref)) (const acc)) + (forever (do liftIO (tenthSeconds 1) + clicked' <- liftIO $ readIORef clicked + when (isJust clicked') + (do liftIO $ clear clicked + modify' not) + b <- get + if b then loop pipe else liftIO $ cb (click pipe expand')) + `runReaderT` srefs `evalStateT` initial') + (zip runnables srefs)) + `finally` removeFile pipe + where + click file icon = "<action=`echo 1 > " ++ file ++ "`>" ++ icon ++ "</action>" + clear = (`atomicModifyIORef'` const (Nothing, ())) + removeLinebreak = init + writeToRef strRef = atomicModifyIORef' strRef . const . (,()) + loop p = do + srefs <- ask + text <- join <$> mapM (liftIO . readIORef) srefs + liftIO $ cb $ text ++ click p shrink' diff --git a/src/Xmobar/Plugins/ArchUpdates.hs b/src/Xmobar/Plugins/ArchUpdates.hs new file mode 100644 index 0000000..f803d0f --- /dev/null +++ b/src/Xmobar/Plugins/ArchUpdates.hs @@ -0,0 +1,41 @@ +{-# LANGUAGE CPP #-} + +----------------------------------------------------------------------------- +-- | +-- Module : Plugins.Monitors.ArchUpdates +-- Copyright : (c) 2024 Enrico Maria De Angelis +-- License : BSD-style (see LICENSE) +-- +-- Maintainer : Enrico Maria De Angelis <enricomaria.dean6elis@gmail.com> +-- Stability : unstable +-- Portability : unportable +-- +-- An ArchLinux updates availablility plugin for Xmobar +-- +----------------------------------------------------------------------------- + +module Xmobar.Plugins.ArchUpdates (ArchUpdates(..)) where + +import System.Exit (ExitCode(..)) +import System.Process (readProcessWithExitCode) +import Xmobar.Run.Exec +import Xmobar.Plugins.Command (Rate) + +data ArchUpdates = ArchUpdates (String, String, String) Rate + deriving (Read, Show) + +instance Exec ArchUpdates where + alias (ArchUpdates _ _) = "arch" + rate (ArchUpdates _ r) = r + run (ArchUpdates (z, o, m) _) = do + (exit, stdout, _) <- readProcessWithExitCode "checkupdates" [] "" + return $ case exit of + ExitFailure 2 -> z--ero updates + ExitFailure 1 -> "pacman: Unknown cause of failure." + ExitSuccess -> case length $ lines stdout of + 0 -> impossible + 1 -> o + n -> m >>= \c -> if c == '?' then show n else pure c + _ -> impossible + where + impossible = error "This is impossible based on pacman manpage" diff --git a/src/Xmobar/Run/Types.hs b/src/Xmobar/Run/Types.hs index 69406bb..bb573c8 100644 --- a/src/Xmobar/Run/Types.hs +++ b/src/Xmobar/Run/Types.hs @@ -19,6 +19,7 @@ module Xmobar.Run.Types(runnableTypes) where import {-# SOURCE #-} Xmobar.Run.Runnable() +import Xmobar.Plugins.ArchUpdates import Xmobar.Plugins.Command import Xmobar.Plugins.Monitors import Xmobar.Plugins.Date @@ -59,6 +60,7 @@ infixr :*: runnableTypes :: Command :*: Monitors :*: Date :*: PipeReader :*: BufferedPipeReader :*: CommandReader :*: StdinReader :*: XMonadLog :*: EWMH :*: Kbd :*: Locks :*: NotmuchMail :*: + ArchUpdates :*: #ifdef INOTIFY Mail :*: MBox :*: #endif |