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authorDevin Mullins <me@twifkak.com>2008-05-12 00:42:58 +0200
committerDevin Mullins <me@twifkak.com>2008-05-12 00:42:58 +0200
commit3dad7d93d1c0c144aee759842557aca053d8c4ff (patch)
tree40c34f1d5fe221b8c5a179df7684a6e4ce8992e1
parent1a73403366d498a478de256b8984c483d80ff563 (diff)
downloadmetatile-3dad7d93d1c0c144aee759842557aca053d8c4ff.tar
metatile-3dad7d93d1c0c144aee759842557aca053d8c4ff.zip
add currentTag convenience function
darcs-hash:20080511224258-78224-93d0cc4af977965e2e27e96efb67a6f362ebbbc1
-rw-r--r--XMonad/StackSet.hs13
-rw-r--r--tests/Properties.hs4
2 files changed, 12 insertions, 5 deletions
diff --git a/XMonad/StackSet.hs b/XMonad/StackSet.hs
index 20cafe2..4fed2eb 100644
--- a/XMonad/StackSet.hs
+++ b/XMonad/StackSet.hs
@@ -31,7 +31,7 @@ module XMonad.StackSet (
-- * Xinerama operations
-- $xinerama
lookupWorkspace,
- screens, workspaces, allWindows,
+ screens, workspaces, allWindows, currentTag,
-- * Operations on the current stack
-- $stackOperations
peek, index, integrate, integrate', differentiate,
@@ -210,7 +210,7 @@ new _ _ _ = abort "non-positive argument to StackSet.new"
view :: (Eq s, Eq i) => i -> StackSet i l a s sd -> StackSet i l a s sd
view i s
- | i == tag (workspace (current s)) = s -- current
+ | i == currentTag s = s -- current
| Just x <- L.find ((i==).tag.workspace) (visible s)
-- if it is visible, it is just raised
@@ -380,6 +380,10 @@ workspaces s = workspace (current s) : map workspace (visible s) ++ hidden s
allWindows :: Eq a => StackSet i l a s sd -> [a]
allWindows = L.nub . concatMap (integrate' . stack) . workspaces
+-- | Get the tag of the currently focused workspace.
+currentTag :: StackSet i l a s sd -> i
+currentTag = tag . workspace . current
+
-- | Is the given tag present in the StackSet?
tagMember :: Eq i => i -> StackSet i l a s sd -> Bool
tagMember t = elem t . map tag . workspaces
@@ -520,7 +524,7 @@ shift :: (Ord a, Eq s, Eq i) => i -> StackSet i l a s sd -> StackSet i l a s sd
shift n s | n `tagMember` s && n /= curtag = maybe s go (peek s)
| otherwise = s
where go w = view curtag . insertUp w . view n . delete' w $ s
- curtag = tag (workspace (current s))
+ curtag = currentTag s
-- | /O(n)/. shiftWin. Searches for the specified window 'w' on all workspaces
-- of the stackSet and moves it to stack 'n', leaving it as the focused
@@ -536,6 +540,5 @@ shiftWin n w s | from == Nothing = s -- not found
where from = findTag w s
go = on n (insertUp w) . on (fromJust from) (delete' w) $ s
- curtag = tag (workspace (current s))
- on i f = view curtag . f . view i
+ on i f = view (currentTag s) . f . view i
diff --git a/tests/Properties.hs b/tests/Properties.hs
index 010a05e..9b0e83c 100644
--- a/tests/Properties.hs
+++ b/tests/Properties.hs
@@ -378,6 +378,9 @@ prop_findIndex (x :: T) =
prop_allWindowsMember w (x :: T) = (w `elem` allWindows x) ==> member w x
+prop_currentTag (x :: T) =
+ currentTag x == tag (workspace (current x))
+
-- ---------------------------------------------------------------------
-- 'insert'
@@ -895,6 +898,7 @@ main = do
,("findTag" , mytest prop_findIndex)
,("allWindows/member" , mytest prop_allWindowsMember)
+ ,("currentTag" , mytest prop_currentTag)
,("insert: invariant" , mytest prop_insertUp_I)
,("insert/new" , mytest prop_insert_empty)