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-rw-r--r--Main.hs8
-rw-r--r--Operations.hs2
-rw-r--r--XMonad.hs7
3 files changed, 10 insertions, 7 deletions
diff --git a/Main.hs b/Main.hs
index 8a99a53..06b0162 100644
--- a/Main.hs
+++ b/Main.hs
@@ -164,8 +164,7 @@ handle :: Event -> X ()
handle (KeyEvent {ev_event_type = t, ev_state = m, ev_keycode = code})
| t == keyPress = withDisplay $ \dpy -> do
s <- io $ keycodeToKeysym dpy code 0
- whenJust (M.lookup (cleanMask m,s) keys) id
- `catchX` return ()
+ userCode $ whenJust (M.lookup (cleanMask m,s) keys) id
-- manage a new window
handle (MapRequestEvent {ev_window = w}) = withDisplay $ \dpy -> do
@@ -213,8 +212,7 @@ handle e@(ButtonEvent {ev_window = w,ev_event_type = t,ev_button = b })
-- If it's the root window, then it's something we
-- grabbed in grabButtons. Otherwise, it's click-to-focus.
isr <- isRoot w
- if isr then whenJust (M.lookup (cleanMask (ev_state e), b) mouseBindings) ($ ev_subwindow e)
- `catchX` return ()
+ if isr then userCode $ whenJust (M.lookup (cleanMask (ev_state e), b) mouseBindings) ($ ev_subwindow e)
else focus w
sendMessage e -- Always send button events.
@@ -258,6 +256,6 @@ handle (ConfigureEvent {ev_window = w}) = whenX (isRoot w) rescreen
-- property notify
handle PropertyEvent { ev_event_type = t, ev_atom = a }
- | t == propertyNotify && a == wM_NAME = logHook `catchX` return ()
+ | t == propertyNotify && a == wM_NAME = userCode logHook
handle e = broadcastMessage e -- trace (eventName e) -- ignoring
diff --git a/Operations.hs b/Operations.hs
index d153d43..f2f6b47 100644
--- a/Operations.hs
+++ b/Operations.hs
@@ -169,7 +169,7 @@ windows f = do
whenJust (W.peek ws) $ \w -> io $ setWindowBorder d w fbc
setTopFocus
- logHook `catchX` return ()
+ userCode logHook
-- io performGC -- really helps, but seems to trigger GC bugs?
-- hide every window that was potentially visible before, but is not
diff --git a/XMonad.hs b/XMonad.hs
index 4cc4607..cf72908 100644
--- a/XMonad.hs
+++ b/XMonad.hs
@@ -18,7 +18,7 @@
module XMonad (
X, WindowSet, WindowSpace, WorkspaceId, ScreenId(..), ScreenDetail(..), XState(..), XConf(..), LayoutClass(..), Layout(..), ReadableLayout(..),
Typeable, Message, SomeMessage(..), fromMessage, runLayout,
- runX, catchX, io, catchIO, withDisplay, withWindowSet, isRoot, getAtom, spawn, restart, trace, whenJust, whenX,
+ runX, catchX, userCode, io, catchIO, withDisplay, withWindowSet, isRoot, getAtom, spawn, restart, trace, whenJust, whenX,
atom_WM_STATE, atom_WM_PROTOCOLS, atom_WM_DELETE_WINDOW
) where
@@ -95,6 +95,11 @@ catchX (X job) (X errcase) = do
put s'
return a
+-- | Execute the argument, catching all exceptions. Either this function or
+-- catchX should be used at all callsites of user customized code.
+userCode :: X () -> X ()
+userCode a = catchX a (return ())
+
-- ---------------------------------------------------------------------
-- Convenient wrappers to state