diff options
| -rw-r--r-- | app/Configuration.hs | 6 | ||||
| -rw-r--r-- | app/Main.hs | 19 | ||||
| -rw-r--r-- | readme.md | 16 |
3 files changed, 24 insertions, 17 deletions
diff --git a/app/Configuration.hs b/app/Configuration.hs index 340124a..3e30730 100644 --- a/app/Configuration.hs +++ b/app/Configuration.hs @@ -29,9 +29,11 @@ import qualified Xmobar as X -- | Reads the configuration files or quits with an error readConfig :: FilePath -> String -> IO (X.Config,[String]) readConfig f usage = do - let err m = error $ f ++ ": " ++ m ++ "\n" ++ usage + let err m = error $ f ++ ": " ++ m file <- liftIO $ fileExist f - r <- if file then X.readConfig X.defaultConfig f else err "file not found" + r <- if file + then X.readConfig X.defaultConfig f + else err $ "file not found" ++ "\n" ++ usage case r of Left e -> err (show e) Right res -> return res diff --git a/app/Main.hs b/app/Main.hs index 35bff7d..b5d3993 100644 --- a/app/Main.hs +++ b/app/Main.hs @@ -38,11 +38,12 @@ main = do (c,defaultings) <- case file of [cfgfile] -> C.readConfig cfgfile usage _ -> C.readDefaultConfig usage - unless (null defaultings) $ putStrLn $ + unless (null defaultings || (not $ any (== Debug) o)) $ putStrLn $ "Fields missing from config defaulted: " ++ intercalate "," defaultings doOpts c o >>= xmobar data Opts = Help + | Debug | Version | Font String | BgColor String @@ -61,13 +62,14 @@ data Opts = Help | Position String | WmClass String | WmName String - deriving Show + deriving (Show, Eq) options :: [OptDescr Opts] options = [ Option "h?" ["help"] (NoArg Help) "This help" + , Option "D" ["debug"] (NoArg Debug) "Emit verbose debugging messages" , Option "V" ["version"] (NoArg Version) "Show version information" - , Option "f" ["font"] (ReqArg Font "font name") "The font name" + , Option "f" ["font"] (ReqArg Font "font name") "Font name" , Option "w" ["wmclass"] (ReqArg WmClass "class") "X11 WM_CLASS property" , Option "n" ["wmname"] (ReqArg WmName "name") "X11 WM_NAME property" , Option "B" ["bgcolor"] (ReqArg BgColor "bg color" ) @@ -77,7 +79,7 @@ options = , Option "i" ["iconroot"] (ReqArg IconRoot "path") "Root directory for icon pattern paths. Default '.'" , Option "A" ["alpha"] (ReqArg Alpha "alpha") - "The transparency: 0 is transparent, 255 is opaque. Default: 255" + "Transparency: 0 is transparent, 255 is opaque. Default: 255" , Option "o" ["top"] (NoArg T) "Place xmobar at the top of the screen" , Option "b" ["bottom"] (NoArg B) "Place xmobar at the bottom of the screen" @@ -86,12 +88,12 @@ options = , Option "a" ["alignsep"] (ReqArg AlignSep "alignsep") "Separators for left, center and right text\nalignment. Default: '}{'" , Option "s" ["sepchar"] (ReqArg SepChar "char") - ("The character used to separate commands in" ++ + ("Character used to separate commands in" ++ "\nthe output template. Default '%'") , Option "t" ["template"] (ReqArg Template "template") - "The output template" + "Output template" , Option "c" ["commands"] (ReqArg Commands "commands") - "The list of commands to be executed" + "List of commands to be executed" , Option "C" ["add-command"] (ReqArg AddCommand "command") "Add to the list of commands to be executed" , Option "x" ["screen"] (ReqArg OnScr "screen") @@ -133,6 +135,7 @@ doOpts conf (o:oo) = case o of Help -> putStr usage >> exitSuccess Version -> putStrLn info >> exitSuccess + Debug -> doOpts' conf Font s -> doOpts' (conf {font = s}) WmClass s -> doOpts' (conf {wmClass = s}) WmName s -> doOpts' (conf {wmName = s}) @@ -160,7 +163,7 @@ doOpts conf (o:oo) = _ -> Left ("xmobar: cannot read list of commands " ++ "specified with the -" ++ c:" option\n") readStr str = [x | (x,t) <- reads str, ("","") <- lex t] - doOpts' opts = doOpts opts oo + doOpts' c = doOpts c oo readPosition string = case readMaybe string of Just x -> doOpts' (conf { position = x }) @@ -370,23 +370,25 @@ xmobar --help): Options: -h, -? --help This help -V --version Show version information - -f font name --font=font name The font name + -D --debug Emit verbose debugging messages + -f font name --font=font name Font name -w class --wmclass=class X11 WM_CLASS property -n name --wmname=name X11 WM_NAME property - -B bg color --bgcolor=bg color The background color. Default black - -F fg color --fgcolor=fg color The foreground color. Default grey - -A alpha --alpha=alpha The transparency: 0 is transparent, 255 (the default) is opaque + -B bg color --bgcolor=bg color Background color. Default black + -F fg color --fgcolor=fg color Foreground color. Default grey + -A alpha --alpha=alpha Transparency: 0 is transparent + and 255 (the default) is opaque -o --top Place xmobar at the top of the screen -b --bottom Place xmobar at the bottom of the screen -p --position=position Specify position, same as in config file -d --dock Try to start xmobar as a dock -a alignsep --alignsep=alignsep Separators for left, center and right text alignment. Default: '}{' - -s char --sepchar=char The character used to separate commands in + -s char --sepchar=char Character used to separate commands in the output template. Default '%' - -t template --template=template The output template + -t template --template=template Output template -i path --iconroot=path Default directory for icon pattern files - -c commands --commands=commands The list of commands to be executed + -c commands --commands=commands List of commands to be executed -C command --add-command=command Add to the list of commands to be executed -x screen --screen=screen On which X screen number to start |