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authorDon Stewart <dons@galois.com>2008-02-06 20:48:58 +0100
committerDon Stewart <dons@galois.com>2008-02-06 20:48:58 +0100
commit5bfcb6131b40139698d1f0ee7db4060f6facb034 (patch)
tree46720032c0fd32a95346f037ab14beb8a2696f82
parentf79eb82479d91f6532d2108e7c0d1e04f7b05b95 (diff)
downloadmetatile-5bfcb6131b40139698d1f0ee7db4060f6facb034.tar
metatile-5bfcb6131b40139698d1f0ee7db4060f6facb034.zip
Lift initColor exceptions into Maybe
We should audit all X11 Haskell lib calls we make for whether they throw undocumented exceptions, and then banish that. darcs-hash:20080206194858-cba2c-143b6edd906a9ddfcc8ff85b4a42ebea0f3462bf
-rw-r--r--XMonad/Main.hs11
-rw-r--r--XMonad/Operations.hs8
2 files changed, 14 insertions, 5 deletions
diff --git a/XMonad/Main.hs b/XMonad/Main.hs
index 2c22792..0450a7c 100644
--- a/XMonad/Main.hs
+++ b/XMonad/Main.hs
@@ -28,6 +28,7 @@ import Graphics.X11.Xlib hiding (refreshKeyboardMapping)
import Graphics.X11.Xlib.Extras
import XMonad.Core
+import qualified XMonad.Config as Default
import XMonad.StackSet (new, floating, member)
import qualified XMonad.StackSet as W
import XMonad.Operations
@@ -46,8 +47,14 @@ xmonad initxmc = do
rootw <- rootWindow dpy dflt
xinesc <- getCleanedScreenInfo dpy
- nbc <- initColor dpy $ normalBorderColor xmc
- fbc <- initColor dpy $ focusedBorderColor xmc
+ nbc <- do v <- initColor dpy $ normalBorderColor xmc
+ ~(Just nbc_) <- initColor dpy $ normalBorderColor Default.defaultConfig
+ return (fromMaybe nbc_ v)
+
+ fbc <- do v <- initColor dpy $ focusedBorderColor xmc
+ ~(Just fbc_) <- initColor dpy $ focusedBorderColor Default.defaultConfig
+ return (fromMaybe fbc_ v)
+
hSetBuffering stdout NoBuffering
args <- getArgs
diff --git a/XMonad/Operations.hs b/XMonad/Operations.hs
index 0e96893..46eebf8 100644
--- a/XMonad/Operations.hs
+++ b/XMonad/Operations.hs
@@ -31,8 +31,9 @@ import qualified Data.Map as M
import qualified Data.Set as S
import Control.Applicative
-import Control.Monad.State
import Control.Monad.Reader
+import Control.Monad.State
+import qualified Control.Exception as C
import System.IO
import Graphics.X11.Xlib
@@ -381,8 +382,9 @@ cleanMask km = do
return (complement (nlm .|. lockMask) .&. km)
-- | Get the Pixel value for a named color
-initColor :: Display -> String -> IO Pixel
-initColor dpy c = (color_pixel . fst) <$> allocNamedColor dpy colormap c
+initColor :: Display -> String -> IO (Maybe Pixel)
+initColor dpy c = C.handle (\_ -> return Nothing) $
+ (Just . color_pixel . fst) <$> allocNamedColor dpy colormap c
where colormap = defaultColormap dpy (defaultScreen dpy)
------------------------------------------------------------------------