boom

1 files changed, 24 insertions, 0 deletions

diff --git a/src/Graphics/X11/Extra.hs b/src/Graphics/X11/Extra.hs
new file mode 100644
index 0000000..bed1ba3
--- /dev/null
+++ b/src/Graphics/X11/Extra.hs
@@ -0,0 +1,24 @@
+module Graphics.X11.Extra where
+
+import Control.Exception (bracket)
+import System.Environment (getEnv)
+import System.IO.Unsafe (unsafePerformIO)
+import qualified Graphics.X11 as X11
+
+
+unsafeInternAtom :: String -> Bool -> X11.Atom
+unsafeInternAtom atomName onlyIfExists =
+  unsafePerformIO $ withDefaultDisplay $ \display ->
+    X11.internAtom display atomName onlyIfExists
+
+defaultDisplayName :: String
+defaultDisplayName =
+  unsafePerformIO (getEnv "DISPLAY")
+
+withDisplay :: String -> (X11.Display -> IO a) -> IO a
+withDisplay display =
+  bracket (X11.openDisplay display) X11.closeDisplay
+
+withDefaultDisplay :: (X11.Display -> IO a) -> IO a
+withDefaultDisplay =
+  withDisplay defaultDisplayName