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------------------------------------------------------------------------------
-- |
-- Module: Xmobar.App.Opts
-- Copyright: (c) 2018 Jose Antonio Ortega Ruiz
-- License: BSD3-style (see LICENSE)
--
-- Maintainer: jao@gnu.org
-- Stability: unstable
-- Portability: portable
-- Created: Fri Nov 30, 2018 01:19
--
--
-- Command line option parsing
--
------------------------------------------------------------------------------
module Xmobar.App.Opts where
import System.Console.GetOpt
import Data.Version (showVersion)
import Paths_xmobar (version)
data Opts = Help
| Debug
| Version
| Font String
| BgColor String
| FgColor String
| Alpha String
| T
| B
| D
| AlignSep String
| Commands String
| AddCommand String
| SepChar String
| Template String
| OnScr String
| IconRoot String
| Position String
| WmClass String
| WmName String
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") "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" )
"The background color. Default black"
, Option "F" ["fgcolor"] (ReqArg FgColor "fg color")
"The foreground color. Default grey"
, Option "i" ["iconroot"] (ReqArg IconRoot "path")
"Root directory for icon pattern paths. Default '.'"
, Option "A" ["alpha"] (ReqArg Alpha "alpha")
"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"
, Option "d" ["dock"] (NoArg D)
"Don't override redirect from WM and function as a dock"
, Option "a" ["alignsep"] (ReqArg AlignSep "alignsep")
"Separators for left, center and right text\nalignment. Default: '}{'"
, Option "s" ["sepchar"] (ReqArg SepChar "char")
("Character used to separate commands in" ++
"\nthe output template. Default '%'")
, Option "t" ["template"] (ReqArg Template "template")
"Output template"
, Option "c" ["commands"] (ReqArg Commands "commands")
"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")
"On which X screen number to start"
, Option "p" ["position"] (ReqArg Position "position")
"Specify position of xmobar. Same syntax as in config file"
]
getOpts :: [String] -> IO ([Opts], [String])
getOpts argv =
case getOpt Permute options argv of
(o,n,[]) -> return (o,n)
(_,_,errs) -> error (concat errs ++ usage)
usage :: String
usage = usageInfo header options ++ footer
where header = "Usage: xmobar [OPTION...] [FILE]\nOptions:"
footer = "\nMail bug reports and suggestions to " ++ mail ++ "\n"
info :: String
info = "xmobar " ++ showVersion version
++ "\n (C) 2007 - 2010 Andrea Rossato "
++ "\n (C) 2010 - 2018 Jose A Ortega Ruiz\n "
++ mail ++ "\n" ++ license
mail :: String
mail = "<mail@jao.io>"
license :: String
license = "\nThis program is distributed in the hope that it will be useful," ++
"\nbut WITHOUT ANY WARRANTY; without even the implied warranty of" ++
"\nMERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE." ++
"\nSee the License for more details."
|
