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-rw-r--r--XMonad/Actions/Submap.hs11
1 files changed, 8 insertions, 3 deletions
diff --git a/XMonad/Actions/Submap.hs b/XMonad/Actions/Submap.hs
index b9bd219..8e26721 100644
--- a/XMonad/Actions/Submap.hs
+++ b/XMonad/Actions/Submap.hs
@@ -15,7 +15,8 @@
module XMonad.Actions.Submap (
-- * Usage
-- $usage
- submap
+ submap,
+ submapDefault
) where
import XMonad hiding (keys)
@@ -57,7 +58,11 @@ For detailed instructions on editing your key bindings, see
-- corresponding action, or does nothing if the key is not found in
-- the map.
submap :: M.Map (KeyMask, KeySym) (X ()) -> X ()
-submap keys = do
+submap keys = submapDefault (return ()) keys
+
+-- | Like 'submap', but executes a default action if the key did not match.
+submapDefault :: X () -> M.Map (KeyMask, KeySym) (X ()) -> X ()
+submapDefault def keys = do
XConf { theRoot = root, display = d } <- ask
io $ grabKeyboard d root False grabModeAsync grabModeAsync currentTime
@@ -73,4 +78,4 @@ submap keys = do
io $ ungrabKeyboard d currentTime
m' <- cleanMask m
- whenJust (M.lookup (m', s) keys) id
+ maybe def id (M.lookup (m', s) keys)