1 files changed, 13 insertions, 25 deletions
diff --git a/XMonad/Actions/FlexibleManipulate.hs b/XMonad/Actions/FlexibleManipulate.hs
index 6ec3739..54bf586 100644
--- a/XMonad/Actions/FlexibleManipulate.hs
+++ b/XMonad/Actions/FlexibleManipulate.hs
@@ -82,17 +82,17 @@ mouseWindow f w = whenX (isClient w) $ withDisplay $ \d -> do
     sh <- io $ getWMNormalHints d w
     pointer <- io $ queryPointer d w >>= return . pointerPos
 
-    let uv = (pointer - wpos) / wsize
+    let uv = zipP (/) (zipP (-) pointer wpos) wsize
         fc = mapP f uv
         mul = mapP (\x -> 2 - 2 * abs(x - 0.5)) fc --Fudge factors: interpolation between 1 when on edge, 2 in middle
-        atl = ((1, 1) - fc) * mul
-        abr = fc * mul
+        atl = zipP (*) (zipP (-) (1, 1) fc) mul
+        abr = zipP (*) fc mul
     mouseDrag (\ex ey -> io $ do
-        let offset = (fromIntegral ex, fromIntegral ey) - pointer
-            npos = wpos + offset * atl
-            nbr = (wpos + wsize) + offset * abr
-            ntl = minP (nbr - (32, 32)) npos    --minimum size
-            nwidth = applySizeHintsContents sh $ mapP (round :: Double -> Integer) (nbr - ntl)
+        let offset = zipP (-) (fromIntegral ex, fromIntegral ey) pointer
+            npos = zipP (*) wpos $ zipP (*) offset atl
+            nbr = zipP (+) (zipP (+) wpos wsize) (zipP (*) offset abr)
+            ntl = minP (zipP (-) nbr (32, 32)) npos    --minimum size
+            nwidth = applySizeHintsContents sh $ mapP (round :: Double -> Integer) (zipP (-) nbr ntl)
         moveResizeWindow d w (round $ fst ntl) (round $ snd ntl) `uncurry` nwidth
         return ())
         (float w)
@@ -100,14 +100,14 @@ mouseWindow f w = whenX (isClient w) $ withDisplay $ \d -> do
     float w
 
   where
-    pointerPos (_,_,_,px,py,_,_,_) = (fromIntegral px,fromIntegral py) :: Pnt
-    winAttrs :: WindowAttributes -> [Pnt]
+    pointerPos (_,_,_,px,py,_,_,_) = (fromIntegral px,fromIntegral py)
+    winAttrs :: WindowAttributes -> [(Double, Double)]
     winAttrs x = pairUp $ map (fromIntegral . ($ x)) [wa_x, wa_y, wa_width, wa_height]
+  -- Changed the type = Pnt implementation to use the zipP functionality
+  -- because (on ghc7) the previous implementation caused Orphan Instances
+  -- warnings
 
 
--- I'd rather I didn't have to do this, but I hate writing component 2d math
-type Pnt = (Double, Double)
-
 pairUp :: [a] -> [(a,a)]
 pairUp [] = []
 pairUp [_] = []
@@ -120,15 +120,3 @@ zipP f (ax,ay) (bx,by) = (f ax bx, f ay by)
 
 minP :: Ord a => (a,a) -> (a,a) -> (a,a)
 minP = zipP min
-
-instance Num Pnt where
-    (+) = zipP (+)
-    (-) = zipP (-)
-    (*) = zipP (*)
-    abs = mapP abs
-    signum = mapP signum
-    fromInteger = const undefined
-
-instance Fractional Pnt where
-    fromRational = const undefined
-    recip = mapP recip