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authorSpencer Janssen <sjanssen@cse.unl.edu>2007-06-11 21:18:09 +0200
committerSpencer Janssen <sjanssen@cse.unl.edu>2007-06-11 21:18:09 +0200
commitca4bf413568335bd4adadce25a1122a31fdcab9e (patch)
tree90abe3cfe230068a7b120c068e361256dd377d48
parent274f36496bbfef71e724def749817630e324746e (diff)
downloadmetatile-ca4bf413568335bd4adadce25a1122a31fdcab9e.tar
metatile-ca4bf413568335bd4adadce25a1122a31fdcab9e.zip
Hide windows that are not supposed to be visible
darcs-hash:20070611191809-a5988-f8a49e4c6c6ec628a85c2204302a43d63547b042
-rw-r--r--Operations.hs24
1 files changed, 11 insertions, 13 deletions
diff --git a/Operations.hs b/Operations.hs
index d24f7b8..e39fdac 100644
--- a/Operations.hs
+++ b/Operations.hs
@@ -21,7 +21,7 @@ import qualified StackSet as W
import {-# SOURCE #-} Config (borderWidth,logHook,numlockMask)
import Data.Maybe
-import Data.List (genericIndex, intersectBy)
+import Data.List (genericIndex, intersectBy, nub, (\\))
import Data.Bits ((.|.), (.&.), complement)
import Data.Ratio
import qualified Data.Map as M
@@ -84,9 +84,7 @@ swapMaster = windows W.swapMaster
-- | shift. Move a window to a new workspace, 0 indexed.
shift :: WorkspaceId -> X ()
-shift n = withFocused hide >> windows (W.shift n)
--- TODO: get rid of the above hide. 'windows' should handle all hiding and
--- revealing of windows
+shift n = windows (W.shift n)
-- | view. Change the current workspace to workspace at offset n (0 indexed).
view :: WorkspaceId -> X ()
@@ -131,12 +129,13 @@ windows :: (WindowSet -> WindowSet) -> X ()
windows f = do
sendMessage ModifyWindows
XState { windowset = old, layouts = fls, xineScreens = xinesc, statusGaps = gaps } <- get
- let ws = f old
+ let oldvisible = concatMap (W.integrate . W.stack . W.workspace) $ W.current old : W.visible old
+ ws = f old
modify (\s -> s { windowset = ws })
d <- asks display
-- for each workspace, layout the currently visible workspaces
- forM_ (W.current ws : W.visible ws) $ \w -> do
+ visible <- fmap concat $ forM (W.current ws : W.visible ws) $ \w -> do
let n = W.tag (W.workspace w)
this = W.view n ws
Just l = fmap fst $ M.lookup n fls
@@ -185,17 +184,16 @@ windows f = do
-- pass to the last tiled window that had focus.
-- urgh : not our delete policy, but close.
+ -- return the visible windows for this workspace:
+ return (map fst rs ++ flt)
+
setTopFocus
logHook
-- io performGC -- really helps, but seems to trigger GC bugs?
- -- We now go to some effort to compute the minimal set of windows to hide.
- -- The minimal set being only those windows which weren't previously hidden,
- -- which is the intersection of previously visible windows with those now hidden
- mapM_ hide . concatMap (W.integrate . W.stack) $
- intersectBy (\w x -> W.tag w == W.tag x)
- (map W.workspace $ W.current old : W.visible old)
- (W.hidden ws)
+ -- hide every window that was potentially visible before, but is not
+ -- given a position by a layout now.
+ mapM_ hide (nub oldvisible \\ visible)
clearEnterEvents