From 78ca555fc0096b584c615724a4676ce53d85f58c Mon Sep 17 00:00:00 2001
From: Peter Jones <pjones@devalot.com>
Date: Tue, 10 Mar 2015 00:29:39 +0100
Subject: Add the ability to specify padding used with Maximize

Ignore-this: 71ac5db4513da0b7a45eb82ec184f4e3

darcs-hash:20150309232939-fd82d-9b23314e9b125c4081242c5fe5fd7f9ed8795558.gz
---
 XMonad/Layout/Maximize.hs | 38 ++++++++++++++++++++++++++------------
 1 file changed, 26 insertions(+), 12 deletions(-)

diff --git a/XMonad/Layout/Maximize.hs b/XMonad/Layout/Maximize.hs
index 589b962..4abb12b 100644
--- a/XMonad/Layout/Maximize.hs
+++ b/XMonad/Layout/Maximize.hs
@@ -19,6 +19,7 @@ module XMonad.Layout.Maximize (
         -- * Usage
         -- $usage
         maximize,
+        maximizeWithPadding,
         maximizeRestore,
         Maximize, MaximizeRestore,
     ) where
@@ -35,7 +36,13 @@ import Data.List ( partition )
 --
 -- Then edit your @layoutHook@ by adding the Maximize layout modifier:
 --
--- > myLayout = maximize (Tall 1 (3/100) (1/2)) ||| Full ||| etc..
+-- > myLayout = maximize (Tall 1 (3/100) (1/2)) ||| Full ||| etc..)
+-- > main = xmonad def { layoutHook = myLayout }
+--
+-- Or, if you want to control the amount of padding placed around the
+-- maximized window:
+--
+-- > myLayout = maximizeWithPadding 10 (Tall 1 (3/100) (1/2)) ||| Full ||| etc..)
 -- > main = xmonad def { layoutHook = myLayout }
 --
 -- For more detailed instructions on editing the layoutHook see:
@@ -51,9 +58,14 @@ import Data.List ( partition )
 --
 -- "XMonad.Doc.Extending#Editing_key_bindings".
 
-data Maximize a = Maximize (Maybe Window) deriving ( Read, Show )
+data Maximize a = Maximize Dimension (Maybe Window) deriving ( Read, Show )
 maximize :: LayoutClass l Window => l Window -> ModifiedLayout Maximize l Window
-maximize = ModifiedLayout $ Maximize Nothing
+maximize = ModifiedLayout $ Maximize 25 Nothing
+
+-- | Like 'maximize', but allows you to specify the amount of padding
+-- placed around the maximized window.
+maximizeWithPadding :: LayoutClass l Window => Dimension -> l Window -> ModifiedLayout Maximize l Window
+maximizeWithPadding padding = ModifiedLayout $ Maximize padding Nothing
 
 data MaximizeRestore = MaximizeRestore Window deriving ( Typeable, Eq )
 instance Message MaximizeRestore
@@ -61,26 +73,28 @@ maximizeRestore :: Window -> MaximizeRestore
 maximizeRestore = MaximizeRestore
 
 instance LayoutModifier Maximize Window where
-    modifierDescription (Maximize _) = "Maximize"
-    pureModifier (Maximize (Just target)) rect (Just (S.Stack focused _ _)) wrs =
+    modifierDescription (Maximize _ _) = "Maximize"
+    pureModifier (Maximize padding (Just target)) rect (Just (S.Stack focused _ _)) wrs =
             if focused == target
                 then (maxed ++ rest, Nothing)
                 else (rest ++ maxed, lay)
         where
             (toMax, rest) = partition (\(w, _) -> w == target) wrs
             maxed = map (\(w, _) -> (w, maxRect)) toMax
-            maxRect = Rectangle (rect_x rect + 25) (rect_y rect + 25)
-                (rect_width rect - 50) (rect_height rect - 50)
-            lay | null maxed = Just (Maximize Nothing)
+            maxRect = Rectangle (rect_x rect + fromIntegral padding)
+                                (rect_y rect + fromIntegral padding)
+                                (rect_width rect  - padding * 2)
+                                (rect_height rect - padding * 2)
+            lay | null maxed = Just (Maximize padding Nothing)
                 | otherwise  = Nothing
     pureModifier _ _ _ wrs = (wrs, Nothing)
 
-    pureMess (Maximize mw) m = case fromMessage m of
+    pureMess (Maximize padding mw) m = case fromMessage m of
         Just (MaximizeRestore w) -> case mw of
             Just w' -> if (w == w')
-                        then Just $ Maximize Nothing   -- restore window
-                        else Just $ Maximize $ Just w  -- maximize different window
-            Nothing -> Just $ Maximize $ Just w        -- maximize window
+                        then Just $ Maximize padding Nothing   -- restore window
+                        else Just $ Maximize padding $ Just w  -- maximize different window
+            Nothing -> Just $ Maximize padding $ Just w        -- maximize window
         _ -> Nothing
 
 -- vim: sw=4:et
-- 
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