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-rw-r--r--XMonad/Actions/TopicSpace.hs19
1 files changed, 10 insertions, 9 deletions
diff --git a/XMonad/Actions/TopicSpace.hs b/XMonad/Actions/TopicSpace.hs
index e196fdf..46b6c21 100644
--- a/XMonad/Actions/TopicSpace.hs
+++ b/XMonad/Actions/TopicSpace.hs
@@ -41,7 +41,7 @@ where
import XMonad
import Data.List
-import Data.Maybe (fromMaybe, isNothing, listToMaybe)
+import Data.Maybe (fromMaybe, isNothing, listToMaybe, fromJust)
import Data.Ord
import qualified Data.Map as M
import Control.Monad (liftM2,when,unless,replicateM_)
@@ -225,11 +225,12 @@ getLastFocusedTopics = XS.gets getPrevTopics
-- | Given a 'TopicConfig', the last focused topic, and a predicate that will
-- select topics that one want to keep, this function will set the property
-- of last focused topics.
-setLastFocusedTopic :: TopicConfig -> Topic -> (Topic -> Bool) -> X ()
-setLastFocusedTopic tg w predicate =
+setLastFocusedTopic :: Topic -> (Topic -> Bool) -> X ()
+setLastFocusedTopic w predicate =
XS.modify $ PrevTopics
- . take (maxTopicHistory tg) . nub . (w:) . filter predicate
+ . seqList . nub . (w:) . filter predicate
. getPrevTopics
+ where seqList xs = length xs `seq` xs
-- | This function is a variant of 'DL.pprWindowSet' which takes a topic configuration
-- and a pretty-printing record 'PP'. It will show the list of topics sorted historically
@@ -240,13 +241,13 @@ pprWindowSet tg pp = do
urgents <- readUrgents
let empty_workspaces = map W.tag $ filter (isNothing . W.stack) $ W.workspaces winset
maxDepth = maxTopicHistory tg
- setLastFocusedTopic tg (W.tag . W.workspace . W.current $ winset)
- (`notElem` empty_workspaces)
+ setLastFocusedTopic (W.tag . W.workspace . W.current $ winset)
+ (`notElem` empty_workspaces)
lastWs <- getLastFocusedTopics
- let depth topic = elemIndex topic lastWs
- add_depth proj topic = proj pp $ maybe topic (((topic++":")++) . show) $ depth topic
+ let depth topic = fromJust $ elemIndex topic (lastWs ++ [topic])
+ add_depth proj topic = proj pp . (((topic++":")++) . show) . depth $ topic
pp' = pp { ppHidden = add_depth ppHidden, ppVisible = add_depth ppVisible }
- sortWindows = take (maxDepth - 1) . sortBy (comparing $ fromMaybe maxDepth . depth . W.tag)
+ sortWindows = take maxDepth . sortBy (comparing $ depth . W.tag)
return $ DL.pprWindowSet sortWindows urgents pp' winset
-- | Given a prompt configuration and a topic configuration, triggers the action associated with