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| author | jao <jao@gnu.org> | 2015-03-08 20:27:36 +0100 |
|---|---|---|
| committer | jao <jao@gnu.org> | 2015-03-08 20:27:36 +0100 |
| commit | 5823b1a2c9a2ef16922b6a74ec1553da19460a0c (patch) | |
| tree | fd7b6a42f92cf6284479261bad0eaa3c75fa4f12 | |
| parent | ee3507aae36a8f007fcc7b933f0b6909b2bbb25a (diff) | |
| download | xmobar-5823b1a2c9a2ef16922b6a74ec1553da19460a0c.tar.gz xmobar-5823b1a2c9a2ef16922b6a74ec1553da19460a0c.tar.bz2 | |
Better error control in Volume monitor
| -rw-r--r-- | src/Plugins/Monitors/Volume.hs | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/src/Plugins/Monitors/Volume.hs b/src/Plugins/Monitors/Volume.hs index 8c39b9f..9f33b3e 100644 --- a/src/Plugins/Monitors/Volume.hs +++ b/src/Plugins/Monitors/Volume.hs @@ -154,18 +154,19 @@ runVolume mixerName controlName argv = do liftMonitor Nothing = unavailable liftMonitor (Just m) = m + channel v r = AE.catch (getChannel FrontLeft v) (const $ return $ Just r) + getDB :: Maybe Volume -> IO (Maybe Integer) getDB Nothing = return Nothing - getDB (Just v) = AE.catch (getChannel FrontLeft $ dB v) - (const $ return $ Just 0) + getDB (Just v) = channel (dB v) 0 getVal :: Maybe Volume -> IO (Maybe Integer) getVal Nothing = return Nothing - getVal (Just v) = getChannel FrontLeft $ value v + getVal (Just v) = channel (value v) 0 getSw :: Maybe Switch -> IO (Maybe Bool) getSw Nothing = return Nothing - getSw (Just s) = getChannel FrontLeft s + getSw (Just s) = channel s False getFormatDB :: VolumeOpts -> Maybe Integer -> Monitor String getFormatDB _ Nothing = unavailable |