Google Code-in: Center help text field
Modifies the grid layout slightly so that the help text which appears when hovering over certain elements is centered with respect to the window, even when there are more buttons on one side.
https://google-melange.appspot.com/gci/task/view/google/gci2012/7968226
{-# LANGUAGE RankNTypes #-}
module ConfigFile where
import Data.Maybe
import Data.TConfig
import qualified Data.ByteString.Char8 as B
-------------------
import CoreTypes
cfgFileName :: String
cfgFileName = "hedgewars-server.ini"
readServerConfig :: ServerInfo -> IO ServerInfo
readServerConfig serverInfo' = do
cfg <- readConfig cfgFileName
let si = serverInfo'{
dbHost = value "dbHost" cfg
, dbName = value "dbName" cfg
, dbLogin = value "dbLogin" cfg
, dbPassword = value "dbPassword" cfg
, serverMessage = value "sv_message" cfg
, serverMessageForOldVersions = value "sv_messageOld" cfg
, bans = read . fromJust2 "bans" $ getValue "bans" cfg
, latestReleaseVersion = read . fromJust $ getValue "sv_latestProto" cfg
, serverConfig = Just cfg
}
return si
where
value n c = B.pack . fromJust2 n $ getValue n c
fromJust2 n Nothing = error $ "Missing config entry " ++ n
fromJust2 _ (Just a) = a
writeServerConfig :: ServerInfo -> IO ()
writeServerConfig ServerInfo{serverConfig = Nothing} = return ()
writeServerConfig ServerInfo{
dbHost = dh,
dbName = dn,
dbLogin = dl,
dbPassword = dp,
serverMessage = sm,
serverMessageForOldVersions = smo,
bans = b,
latestReleaseVersion = ver,
serverConfig = Just cfg}
=
writeConfig cfgFileName $ foldl1 (.) entries cfg
where
entries =
repConfig "sv_latestProto" (show ver)
: repConfig "bans" (show b)
: map (\(n, v) -> repConfig n (B.unpack v)) [
("dbHost", dh)
, ("dbName", dn)
, ("dbLogin", dl)
, ("dbPassword", dp)
, ("sv_message", sm)
, ("sv_messageOld", smo)
]