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authorDavid Roundy <droundy@darcs.net>2007-11-13 17:31:16 +0100
committerDavid Roundy <droundy@darcs.net>2007-11-13 17:31:16 +0100
commitd03cac43d6d50086d55b402c431c9b801cd7c443 (patch)
tree0687650a562ad15144d0558967adf195b8fa9a2c /XMonad/Layout
parent81590729fa98e13f66ea5dc0e5f92e4ee8214092 (diff)
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make shrinker preserved over restart in tabbed.
darcs-hash:20071113163116-72aca-e299ebe5cb2a80daa30c526ba64305a7469d1dd6.gz
Diffstat (limited to '')
-rw-r--r--XMonad/Layout/Tabbed.hs51
1 files changed, 32 insertions, 19 deletions
diff --git a/XMonad/Layout/Tabbed.hs b/XMonad/Layout/Tabbed.hs
index 92ef150..f704bbb 100644
--- a/XMonad/Layout/Tabbed.hs
+++ b/XMonad/Layout/Tabbed.hs
@@ -18,8 +18,9 @@ module XMonad.Layout.Tabbed (
-- * Usage:
-- $usage
tabbed
- , shrinkText
+ , shrinkText, CustomShrink(CustomShrink)
, TConf (..), defaultTConf
+ , Shrinker(..)
) where
import Control.Monad.State ( gets )
@@ -68,8 +69,8 @@ import XMonad.Util.XUtils
-- %import XMonad.Layout.Tabbed
-- %layout , tabbed shrinkText defaultTConf
-tabbed :: Shrinker -> TConf -> Tabbed a
-tabbed s t = Tabbed (I Nothing) (I (Just s)) t
+tabbed :: Shrinker s => s -> TConf -> Tabbed s a
+tabbed s t = Tabbed (I Nothing) s t
data TConf =
TConf { activeColor :: String
@@ -100,17 +101,17 @@ data TabState =
, fontS :: FontStruct -- FontSet
}
-data Tabbed a =
- Tabbed (Invisible Maybe TabState) (Invisible Maybe Shrinker) TConf
+data Tabbed s a =
+ Tabbed (Invisible Maybe TabState) s TConf
deriving (Show, Read)
-instance LayoutClass Tabbed Window where
+instance Shrinker s => LayoutClass (Tabbed s) Window where
doLayout (Tabbed ist ishr conf) = doLay ist ishr conf
handleMessage = handleMess
description _ = "Tabbed"
-doLay :: Invisible Maybe TabState -> Invisible Maybe Shrinker -> TConf
- -> Rectangle -> W.Stack Window -> X ([(Window, Rectangle)], Maybe (Tabbed Window))
+doLay :: Shrinker s => Invisible Maybe TabState -> s -> TConf
+ -> Rectangle -> W.Stack Window -> X ([(Window, Rectangle)], Maybe (Tabbed s Window))
doLay ist ishr c sc (W.Stack w [] []) = do
whenIJust ist $ \st -> mapM_ deleteWindow (map fst $ tabsWindows st)
return ([(w,sc)], Just $ Tabbed (I Nothing) ishr c)
@@ -129,16 +130,16 @@ doLay ist ishr conf sc@(Rectangle _ _ wid _) s@(W.Stack w _ _) = do
mapM_ (updateTab ishr conf (fontS st) width) $ tabsWindows st
return ([(w,shrink conf sc)], Just (Tabbed (I (Just st)) ishr conf))
-handleMess :: Tabbed Window -> SomeMessage -> X (Maybe (Tabbed Window))
+handleMess :: Shrinker s => Tabbed s Window -> SomeMessage -> X (Maybe (Tabbed s Window))
handleMess (Tabbed (I (Just st@(TabState {tabsWindows = tws}))) ishr conf) m
| Just e <- fromMessage m :: Maybe Event = handleEvent ishr conf st e >> return Nothing
| Just Hide == fromMessage m = mapM_ hideWindow (map fst tws) >> return Nothing
| Just ReleaseResources == fromMessage m = do mapM_ deleteWindow $ map fst tws
releaseFont (fontS st)
- return $ Just $ Tabbed (I Nothing) (I Nothing) conf
+ return $ Just $ Tabbed (I Nothing) ishr conf
handleMess _ _ = return Nothing
-handleEvent :: Invisible Maybe Shrinker -> TConf -> TabState -> Event -> X ()
+handleEvent :: Shrinker s => s -> TConf -> TabState -> Event -> X ()
-- button press
handleEvent ishr conf (TabState {tabsWindows = tws, scr = screen, fontS = fs })
(ButtonEvent {ev_window = thisw, ev_subwindow = thisbw, ev_event_type = t })
@@ -181,7 +182,7 @@ createTabs c (Rectangle x y wh ht) owl@(ow:ows) = do
ws <- createTabs c (Rectangle (x + fromIntegral wid) y (wh - wid) ht) ows
return (w:ws)
-updateTab :: Invisible Maybe Shrinker -> TConf -> FontStruct -> Dimension -> (Window,Window) -> X ()
+updateTab :: Shrinker s => s -> TConf -> FontStruct -> Dimension -> (Window,Window) -> X ()
updateTab ishr c fs wh (tabw,ow) = do
nw <- getName ow
let ht = fromIntegral $ tabSize c :: Dimension
@@ -191,7 +192,7 @@ updateTab ishr c fs wh (tabw,ow) = do
(bc',borderc',tc') <- focusColor ow
(inactiveColor c, inactiveBorderColor c, inactiveTextColor c)
(activeColor c, activeBorderColor c, activeTextColor c)
- let s = fromIMaybe shrinkText ishr
+ let s = shrinkIt ishr
name = shrinkWhile s (\n -> textWidth fs n >
fromIntegral wh - fromIntegral (ht `div` 2)) (show nw)
paintAndWrite tabw fs wh ht 1 bc' borderc' tc' bc' AlignCenter name
@@ -200,15 +201,27 @@ shrink :: TConf -> Rectangle -> Rectangle
shrink c (Rectangle x y w h) =
Rectangle x (y + fromIntegral (tabSize c)) w (h - fromIntegral (tabSize c))
-type Shrinker = String -> [String]
-
-shrinkWhile :: Shrinker -> (String -> Bool) -> String -> String
+shrinkWhile :: (String -> [String]) -> (String -> Bool) -> String -> String
shrinkWhile sh p x = sw $ sh x
where sw [n] = n
sw [] = ""
sw (n:ns) | p n = sw ns
| otherwise = n
-shrinkText :: Shrinker
-shrinkText "" = [""]
-shrinkText cs = cs : shrinkText (init cs)
+
+data CustomShrink = CustomShrink
+instance Show CustomShrink where show _ = ""
+instance Read CustomShrink where readsPrec _ s = [(CustomShrink,s)]
+
+class (Read s, Show s) => Shrinker s where
+ shrinkIt :: s -> String -> [String]
+
+data DefaultShrinker = DefaultShrinker
+instance Show DefaultShrinker where show _ = ""
+instance Read DefaultShrinker where readsPrec _ s = [(DefaultShrinker,s)]
+instance Shrinker DefaultShrinker where
+ shrinkIt _ "" = [""]
+ shrinkIt s cs = cs : shrinkIt s (init cs)
+
+shrinkText :: DefaultShrinker
+shrinkText = DefaultShrinker