From b2d0396faf5a2ae3cb5e6a6a7ef52d94a524783f Mon Sep 17 00:00:00 2001
From: Matthias Schiffer <mschiffer@universe-factory.net>
Date: Wed, 11 Sep 2013 04:05:32 +0200
Subject: Handle windows correctly on startup

---
 XMonad/Main.hsc | 56 +++++++++++++++++++++++++++++---------------------------
 1 file changed, 29 insertions(+), 27 deletions(-)

diff --git a/XMonad/Main.hsc b/XMonad/Main.hsc
index 4c00b20..03195ae 100644
--- a/XMonad/Main.hsc
+++ b/XMonad/Main.hsc
@@ -148,7 +148,7 @@ xmonad initxmc = do
             windows . const . foldr W.delete winset $ W.allWindows winset \\ ws
 
             -- manage the as-yet-unmanaged windows
-            mapM_ manage (ws \\ W.allWindows winset)
+            mapM_ (\w -> reparent w >> manage w) (ws \\ W.allWindows winset)
 
             userCode $ startupHook initxmc
 
@@ -212,11 +212,13 @@ handle (DestroyWindowEvent {ev_window = w}) = do
 
 -- We track expected unmap events in waitingUnmap.  We ignore this event unless
 -- it is synthetic or we are not expecting an unmap notification from a window.
-handle (UnmapEvent {ev_window = w, ev_send_event = synthetic}) = whenX (isClient w) $ do
-    e <- getsWindowState wsWaitingUnmap w
-    if (synthetic || e == 0)
-        then unmanage w >> hideParent w
-        else modifyWindowState (\ws -> ws { wsWaitingUnmap = (wsWaitingUnmap ws) - 1 }) w
+handle UnmapEvent {ev_window = w, ev_send_event = synthetic, ev_event = we} = whenX (isClient w) $ do
+    rootw <- asks theRoot
+    when (we /= rootw) $ do
+        e <- getsWindowState wsWaitingUnmap w
+        if (synthetic || e == 0)
+            then unmanage w >> hideParent w
+            else modifyWindowState (\ws -> ws { wsWaitingUnmap = (wsWaitingUnmap ws) - 1 }) w
 
 -- set keyboard mapping
 handle e@(MappingNotifyEvent {}) = do
@@ -311,33 +313,33 @@ handle e = broadcastMessage e -- trace (eventName e) -- ignoring
 
 reparent :: Window -> X ()
 reparent w = withDisplay $ \dpy -> do
-  rootw <- asks theRoot
-  p <- asks normalBorder
-  noFrame <- getsWindowState ((==none) . wsFrame) w
-  when noFrame $ do
-    trace $ "reparent: " ++ show w
-    frame <- io $ allocaSetWindowAttributes $ \swa -> do
-      set_background_pixel swa p
-      set_border_pixel swa p
-      set_override_redirect swa True
-      createWindow dpy rootw (-1) (-1) 1 1 0 copyFromParent inputOutput (Visual nullPtr) (cWBackPixel.|.cWBorderPixel.|.cWOverrideRedirect) swa
-    io $ do
-      mapWindow dpy frame
-      reparentWindow dpy w frame 0 0
-    modifyWindowState (\ws -> ws { wsFrame = frame }) w
+    rootw <- asks theRoot
+    p <- asks normalBorder
+    noFrame <- getsWindowState ((==none) . wsFrame) w
+    when noFrame $ do
+        trace $ "reparent: " ++ show w
+        frame <- io $ allocaSetWindowAttributes $ \swa -> do
+            set_background_pixel swa p
+            set_border_pixel swa p
+            set_override_redirect swa True
+            createWindow dpy rootw (-1) (-1) 1 1 0 copyFromParent inputOutput (Visual nullPtr) (cWBackPixel.|.cWBorderPixel.|.cWOverrideRedirect) swa
+        io $ do
+            unmapWindow dpy w
+            reparentWindow dpy w frame 0 0
+        modifyWindowState (\ws -> ws { wsFrame = frame }) w
 
 hideParent :: Window -> X ()
 hideParent w = withDisplay $ \dpy -> do
-  frame <- getsWindowState wsFrame w
-  when (frame /= none) $ io $ unmapWindow dpy frame
+    frame <- getsWindowState wsFrame w
+    when (frame /= none) $ io $ unmapWindow dpy frame
 
 unparent :: Window -> X ()
 unparent w = withDisplay $ \dpy -> do
-  trace $ "unparent: " ++ show w
-  frame <- getsWindowState wsFrame w
-  when (frame /= none) $ do
-    io $ destroyWindow dpy frame
-    modifyWindowState (\ws -> ws { wsFrame = none }) w
+    frame <- getsWindowState wsFrame w
+    when (frame /= none) $ do
+        trace $ "unparent: " ++ show w
+        io $ destroyWindow dpy frame
+        modifyWindowState (\ws -> ws { wsFrame = none }) w
 
 -- ---------------------------------------------------------------------
 -- IO stuff. Doesn't require any X state
-- 
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