From 12cdac39c968a34c403aa7a9a1ac553c3a1f21b6 Mon Sep 17 00:00:00 2001
From: Alec Berryman <alec@thened.net>
Date: Thu, 29 Mar 2007 20:21:59 +0200
Subject: Window borders

Colors taken from dwm's config.default.h and hard-coded in Operations instead
of Config because of import cycle.

Windows overlap slightly in the current tiling algorithm and sometimes prevent
the active window from being completely surrounded by a red border.

darcs-hash:20070329182159-39448-deabaeaf89d87bb71abc851b6bae1ffa356e5561
---
 Operations.hs | 10 ++++++++++
 TODO          |  1 -
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/Operations.hs b/Operations.hs
index b80d16f..ef630db 100644
--- a/Operations.hs
+++ b/Operations.hs
@@ -142,10 +142,16 @@ withServerX f = withDisplay $ \dpy -> do
 -- | Explicitly set the keyboard focus to the given window
 setFocus :: Window -> X ()
 setFocus w = do
+    -- Remove the border for the window no longer in focus.
+    ws <- gets workspace
+    whenJust (W.peek ws) (\oldw -> setBorder oldw 0xdddddd)
+    -- Set focus to the given window.
     withDisplay $ \d -> io $ setInputFocus d w revertToPointerRoot 0
     -- This does not use 'windows' intentionally.  'windows' calls refresh,
     -- which means infinite loops.
     modify (\s -> s { workspace = W.raiseFocus w (workspace s) })
+    -- Set new border for raised window.
+    setBorder w 0xff0000
 
 -- | Set the focus to the window on top of the stack, or root
 setTopFocus :: X ()
@@ -155,6 +161,10 @@ setTopFocus = do
         Just new -> setFocus new
         Nothing  -> gets theRoot >>= setFocus
 
+-- | Set the border color for a particular window.
+setBorder :: Window -> Pixel -> X ()
+setBorder w p = withDisplay $ \d -> io $ setWindowBorder d w p
+
 -- | raise. focus to window at offset 'n' in list.
 -- The currently focused window is always the head of the list
 raise :: Ordering -> X ()
diff --git a/TODO b/TODO
index 1001ad4..1465c9d 100644
--- a/TODO
+++ b/TODO
@@ -24,6 +24,5 @@
     - make focus remain between workspace switches
     - change focus in the StackSet structure on EnterNotify
     - let mod+enter demote a master window
-    - borders (low priority, maybe wait until 0.2)
 
 * Tile vertically/ resize height.
-- 
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