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-rw-r--r--XMonad/Layout/Magnifier.hs29
1 files changed, 19 insertions, 10 deletions
diff --git a/XMonad/Layout/Magnifier.hs b/XMonad/Layout/Magnifier.hs
index 8f2db4d..823cfca 100644
--- a/XMonad/Layout/Magnifier.hs
+++ b/XMonad/Layout/Magnifier.hs
@@ -5,7 +5,7 @@
-- Module : XMonad.Layout.Magnifier
-- Copyright : (c) Peter De Wachter 2007
-- License : BSD-style (see xmonad/LICENSE)
---
+--
-- Maintainer : Peter De Wachter <pdewacht@gmail.com>
-- Stability : unstable
-- Portability : unportable
@@ -20,12 +20,14 @@
module XMonad.Layout.Magnifier (
-- * Usage
-- $usage
- magnifier, magnifier') where
+ magnifier,
+ Magnifier(..),
+ Magnifier'(..)) where
import Graphics.X11.Xlib (Window, Rectangle(..))
import XMonad
import XMonad.StackSet
--- import XMonad.Layout.LayoutHelpers
+import XMonad.Layout.LayoutModifier
-- $usage
-- > import XMonad.Layout.Magnifier
@@ -36,18 +38,25 @@ import XMonad.StackSet
-- %layout , magnifier $ mirror tiled
-- | Increase the size of the window that has focus, unless it is the master window.
-magnifier :: Layout Window -> Layout Window
-magnifier = layoutModify (unlessMaster applyMagnifier) idModMod
+data Magnifier a = Magnifier deriving (Read, Show)
+instance LayoutModifier Magnifier Window where
+ modifierDescription _ = "Magnifier"
+ redoLayout _ = unlessMaster applyMagnifier
-- | Increase the size of the window that has focus, even if it is the master window.
-magnifier' :: Layout Window -> Layout Window
-magnifier' = layoutModify applyMagnifier idModMod
+data Magnifier' a = Magnifier' deriving (Read, Show)
+instance LayoutModifier Magnifier' Window where
+ modifierDescription _ = "Magnifier'"
+ redoLayout _ = applyMagnifier
+
+magnifier :: l a -> ModifiedLayout Magnifier l a
+magnifier = ModifiedLayout Magnifier
-unlessMaster :: ModDo Window -> ModDo Window
+unlessMaster :: forall t t1 a a1 (m :: * -> *). (Monad m) => (t -> Stack a -> t1 -> m (t1, Maybe a1)) -> t -> Stack a -> t1 -> m (t1, Maybe a1)
unlessMaster mainmod r s wrs = if null (up s) then return (wrs, Nothing)
else mainmod r s wrs
-applyMagnifier :: ModDo Window
+applyMagnifier :: Rectangle -> t -> [(Window, Rectangle)] -> X ([(Window, Rectangle)], Maybe a)
applyMagnifier r _ wrs = do focused <- withWindowSet (return . peek)
let mag (w,wr) ws | focused == Just w = ws ++ [(w, shrink r $ magnify wr)]
| otherwise = (w,wr) : ws
@@ -63,7 +72,7 @@ magnify (Rectangle x y w h) = Rectangle x' y' w' h'
shrink :: Rectangle -> Rectangle -> Rectangle
shrink (Rectangle sx sy sw sh) (Rectangle x y w h) = Rectangle x' y' w' h'
- where x' = max sx x
+ where x' = max sx x
y' = max sy y
w' = min w (fromIntegral sx + sw - fromIntegral x')
h' = min h (fromIntegral sy + sh - fromIntegral y')