e3a7f6697e
ie, when viewing a "current" period (the current day/week/month/quarter/year), it will be moved to enclose the current date, if needed, whenever the system date changes.
209 lines
8.1 KiB
Haskell
209 lines
8.1 KiB
Haskell
{-|
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hledger-ui - a hledger add-on providing a curses-style interface.
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Copyright (c) 2007-2015 Simon Michael <simon@joyful.com>
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Released under GPL version 3 or later.
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-}
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{-# LANGUAGE OverloadedStrings #-}
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{-# LANGUAGE TemplateHaskell #-}
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{-# LANGUAGE MultiParamTypeClasses #-}
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module Hledger.UI.Main where
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-- import Control.Applicative
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-- import Lens.Micro.Platform ((^.))
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import Control.Concurrent
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import Control.Concurrent.Async
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import Control.Monad
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-- import Control.Monad.IO.Class (liftIO)
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import Data.Default (def)
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-- import Data.Monoid --
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import Data.List
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import Data.Maybe
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-- import Data.Text (Text)
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import qualified Data.Text as T
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-- import Data.Time.Calendar
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import Graphics.Vty (mkVty)
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import Safe
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import System.Exit
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import System.Directory
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import System.FilePath
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import System.FSNotify
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import Brick
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import Hledger
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import Hledger.Cli hiding (progname,prognameandversion,green)
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import Hledger.UI.UIOptions
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import Hledger.UI.UITypes
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import Hledger.UI.UIState (toggleHistorical)
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import Hledger.UI.Theme
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import Hledger.UI.AccountsScreen
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import Hledger.UI.RegisterScreen
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----------------------------------------------------------------------
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main :: IO ()
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main = do
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opts <- getHledgerUIOpts
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-- when (debug_ $ cliopts_ opts) $ printf "%s\n" prognameandversion >> printf "opts: %s\n" (show opts)
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run opts
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where
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run opts
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| "h" `inRawOpts` (rawopts_ $ cliopts_ opts) = putStr (showModeUsage uimode) >> exitSuccess
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| "help" `inRawOpts` (rawopts_ $ cliopts_ opts) = printHelpForTopic (topicForMode uimode) >> exitSuccess
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| "man" `inRawOpts` (rawopts_ $ cliopts_ opts) = runManForTopic (topicForMode uimode) >> exitSuccess
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| "info" `inRawOpts` (rawopts_ $ cliopts_ opts) = runInfoForTopic (topicForMode uimode) >> exitSuccess
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| "version" `inRawOpts` (rawopts_ $ cliopts_ opts) = putStrLn prognameandversion >> exitSuccess
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| "binary-filename" `inRawOpts` (rawopts_ $ cliopts_ opts) = putStrLn (binaryfilename progname)
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| otherwise = withJournalDoUICommand opts runBrickUi
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-- XXX withJournalDo specialised for UIOpts
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withJournalDoUICommand :: UIOpts -> (UIOpts -> Journal -> IO ()) -> IO ()
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withJournalDoUICommand uopts@UIOpts{cliopts_=copts} cmd = do
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rulespath <- rulesFilePathFromOpts copts
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journalpath <- journalFilePathFromOpts copts
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ej <- readJournalFiles Nothing rulespath (not $ ignore_assertions_ copts) journalpath
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either error' (cmd uopts . journalApplyAliases (aliasesFromOpts copts)) ej
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runBrickUi :: UIOpts -> Journal -> IO ()
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runBrickUi uopts@UIOpts{cliopts_=copts@CliOpts{reportopts_=ropts}} j = do
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d <- getCurrentDay
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let
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-- depth: is a bit different from other queries. In hledger cli,
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-- - reportopts{depth_} indicates --depth options
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-- - reportopts{query_} is the query arguments as a string
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-- - the report query is based on both of these.
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-- For hledger-ui, for now, move depth: arguments out of reportopts{query_}
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-- and into reportopts{depth_}, so that depth and other kinds of filter query
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-- can be displayed independently.
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uopts' = uopts{
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cliopts_=copts{
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reportopts_= ropts{
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-- incorporate any depth: query args into depth_,
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-- any date: query args into period_
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depth_ =depthfromoptsandargs,
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period_=periodfromoptsandargs,
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query_ =unwords -- as in ReportOptions, with same limitations
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[v | (k,v) <- rawopts_ copts, k=="args", not $ any (`isPrefixOf` v) ["depth","date"]],
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-- always disable boring account name eliding, unlike the CLI, for a more regular tree
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no_elide_=True,
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-- show items with zero amount by default, unlike the CLI
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empty_=True,
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-- show historical balances by default, unlike the CLI
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balancetype_=HistoricalBalance
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}
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}
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}
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where
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q = queryFromOpts d ropts
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depthfromoptsandargs = case queryDepth q of 99999 -> Nothing
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d -> Just d
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datespanfromargs = queryDateSpan (date2_ ropts) $ fst $ parseQuery d (T.pack $ query_ ropts)
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periodfromoptsandargs =
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dateSpanAsPeriod $ spansIntersect [periodAsDateSpan $ period_ ropts, datespanfromargs]
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-- XXX move this stuff into Options, UIOpts
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theme = maybe defaultTheme (fromMaybe defaultTheme . getTheme) $
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maybestringopt "theme" $ rawopts_ copts
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mregister = maybestringopt "register" $ rawopts_ copts
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(scr, prevscrs) = case mregister of
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Nothing -> (accountsScreen, [])
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-- with --register, start on the register screen, and also put
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-- the accounts screen on the prev screens stack so you can exit
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-- to that as usual.
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Just apat -> (rsSetAccount acct False registerScreen, [ascr'])
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where
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acct = headDef
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(error' $ "--register "++apat++" did not match any account")
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$ filter (regexMatches apat . T.unpack) $ journalAccountNames j
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-- Initialising the accounts screen is awkward, requiring
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-- another temporary UIState value..
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ascr' = aScreen $
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asInit d True $
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UIState{
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aopts=uopts'
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,ajournal=j
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,aScreen=asSetSelectedAccount acct accountsScreen
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,aPrevScreens=[]
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,aMode=Normal
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}
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ui =
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(sInit scr) d True $
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(if change_ uopts' then toggleHistorical else id) $ -- XXX
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UIState{
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aopts=uopts'
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,ajournal=j
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,aScreen=scr
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,aPrevScreens=prevscrs
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,aMode=Normal
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}
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brickapp :: App (UIState) AppEvent Name
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brickapp = App {
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appStartEvent = return
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, appAttrMap = const theme
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, appChooseCursor = showFirstCursor
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, appHandleEvent = \ui ev -> sHandle (aScreen ui) ui ev
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, appDraw = \ui -> sDraw (aScreen ui) ui
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}
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if not (watch_ uopts')
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then
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void $ defaultMain brickapp ui
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else do
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-- a channel for sending misc. events to the app
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eventChan <- newChan
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-- start a background thread reporting changes in the current date
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-- use async for proper child termination in GHCI
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let
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watchDate lastd = do
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threadDelay 1000000 -- 1s
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d <- getCurrentDay
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when (d /= lastd) $ do
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-- dbg1IO "datechange" DateChange -- XXX don't uncomment until dbg*IO fixed to use traceIO, GHC may block/end thread
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writeChan eventChan DateChange
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watchDate d
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withAsync
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(getCurrentDay >>= watchDate)
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$ \_ -> do
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-- start one or more background threads reporting changes in the directories of our files
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-- XXX misses quick successive saves (still ? hard to reproduce now)
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-- XXX then refuses to reload manually (should be fixed now ?)
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-- withManagerConf defaultConfig{confDebounce=Debounce 1000} $ \mgr -> do
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withManager $ \mgr -> do
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dbg1IO "fsnotify using polling ?" $ isPollingManager mgr
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files <- mapM canonicalizePath $ map fst $ jfiles j
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let directories = nub $ sort $ map takeDirectory files
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dbg1IO "files" files
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dbg1IO "directories to watch" directories
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forM_ directories $ \d -> watchDir
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mgr
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d
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-- predicate: ignore changes not involving our files
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(\fev -> case fev of
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Added f _ -> f `elem` files
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Modified f _ -> f `elem` files
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Removed f _ -> f `elem` files
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)
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-- action: send event to app
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(\fev -> do
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-- return $ dbglog "fsnotify" $ showFSNEvent fev -- not working
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dbg1IO "fsnotify" $ showFSNEvent fev
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writeChan eventChan FileChange
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)
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-- and start the app. Must be inside the withManager block
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void $ customMain (mkVty def) (Just eventChan) brickapp ui
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showFSNEvent (Added f _) = "Added " ++ show f
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showFSNEvent (Modified f _) = "Modified " ++ show f
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showFSNEvent (Removed f _) = "Removed " ++ show f
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