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authorJose A Ortega Ruiz <jao@gnu.org>2010-02-12 03:35:09 +0100
committerJose A Ortega Ruiz <jao@gnu.org>2010-02-12 03:35:09 +0100
commit4ba8dadfb66b76c4a878948378f1e949a95458a8 (patch)
tree9bc30f504aa349211e33c2ae9811b93c5f6c0f0b /Plugins/Monitors
parent626d76aeee415ebd4f0fbb4f8740f206de2ec7d3 (diff)
downloadxmobar-4ba8dadfb66b76c4a878948378f1e949a95458a8.tar.gz
xmobar-4ba8dadfb66b76c4a878948378f1e949a95458a8.tar.bz2
Using /sys to read battery status
Ignore-this: 5f2a97fd8be36211afd02ce488a2a7f1 darcs-hash:20100212023509-748be-558d92bc649f5c9067547c7fa5635396186cb316.gz
Diffstat (limited to 'Plugins/Monitors')
-rw-r--r--Plugins/Monitors/Batt.hs56
1 files changed, 23 insertions, 33 deletions
diff --git a/Plugins/Monitors/Batt.hs b/Plugins/Monitors/Batt.hs
index 6ea62a9..4d3f540 100644
--- a/Plugins/Monitors/Batt.hs
+++ b/Plugins/Monitors/Batt.hs
@@ -18,47 +18,37 @@ import qualified Data.ByteString.Lazy.Char8 as B
import Plugins.Monitors.Common
import System.Posix.Files (fileExist)
-data Batt = Batt Float String
+data Batt = Batt Float
| NA
battConfig :: IO MConfig
battConfig = mkMConfig
"Batt: <left>" -- template
- ["left","status"] -- available replacements
+ ["left"] -- available replacements
-type File = (String, String)
+file2batfile :: String -> (String, String)
+file2batfile s = ("/proc/acpi/battery/"++ s ++ "/info", "/proc/acpi/battery/"++ s ++ "/state")
-file2batfile :: String -> (File, File)
-file2batfile s = ( (s' ++ "/charge_full", s' ++ "/energy_full")
- , (s' ++ "/charge_now" , s' ++ "/energy_now" )
- )
- where s' = "/sys/class/power_supply/" ++ s
-
-readFileBatt :: (File, File) -> IO (String, String, String)
-readFileBatt (f,n) =
- do a <- rf f
- b <- rf n
- ac <- fileExist "/sys/class/power_supply/AC0/online"
- c <- if not ac
- then return []
- else do s <- B.unpack `fmap` catRead "/sys/class/power_supply/AC0/online"
- return $ if s == "1\n" then "<fc=green>On</fc>" else"<fc=red>Off</fc>"
- return (a,b,c)
+readFileBatt :: (String, String) -> IO (B.ByteString, B.ByteString)
+readFileBatt (i,s) =
+ do a <- rf i
+ b <- rf s
+ return (a,b)
where rf file = do
- fe <- fileExist (fst file)
- if fe
- then B.unpack `fmap` catRead (fst file)
- else do fe' <- fileExist (snd file)
- if fe'
- then B.unpack `fmap` catRead (snd file)
- else return []
+ f <- fileExist file
+ if f then catRead file else return B.empty
-parseBATT :: [(File,File)] -> IO Batt
+parseBATT :: [(String, String)] -> IO Batt
parseBATT bfs =
- do [(a0,b0,c0),(a1,b1,_),(a2,b2,_)] <- mapM readFileBatt (take 3 $ bfs ++ repeat (("",""),("","")))
- let read' s = if s == [] then 0 else read s
- left = (read' b0 + read' b1 + read' b2) / (read' a0 + read' a1 + read' a2) --present / full
- return $ if isNaN left then NA else Batt left c0
+ do [(a0,b0),(a1,b1),(a2,b2)] <- mapM readFileBatt (take 3 $ bfs ++ repeat ("",""))
+ let sp p s = case stringParser p s of
+ [] -> 0
+ x -> read x
+ (f0, p0) = (sp (3,2) a0, sp (2,4) b0)
+ (f1, p1) = (sp (3,2) a1, sp (2,4) b1)
+ (f2, p2) = (sp (3,2) a2, sp (2,4) b2)
+ left = (p0 + p1 + p2) / (f0 + f1 + f2) --present / full
+ return $ if isNaN left then NA else Batt left
formatBatt :: Float -> Monitor [String]
formatBatt x = showPercentsWithColors [x]
@@ -70,6 +60,6 @@ runBatt' :: [String] -> [String] -> Monitor String
runBatt' bfs _ = do
c <- io $ parseBATT (map file2batfile bfs)
case c of
- Batt x s -> do l <- formatBatt x
- parseTemplate (l ++ [s])
+ Batt x -> do l <- formatBatt x
+ parseTemplate l
NA -> return "N/A"