1 files changed, 47 insertions, 0 deletions
diff --git a/XMonad/Stockholm/XUtils.hs b/XMonad/Stockholm/XUtils.hs
new file mode 100644
index 0000000..5b477b8
--- /dev/null
+++ b/XMonad/Stockholm/XUtils.hs
@@ -0,0 +1,47 @@
+module XMonad.Stockholm.XUtils
+    ( shapeWindow
+    , withGC
+    , withPixmap
+    , withPixmapAndGC
+    ) where
+
+import Control.Exception ( bracket )
+import Foreign.C.Types ( CInt )
+import Graphics.X11.Xlib
+import Graphics.X11.Xlib.Extras
+import Graphics.X11.Xshape
+
+
+shapeWindow :: Display -> Window -> (Pixmap -> GC -> IO ()) -> IO ()
+shapeWindow d w f = do
+    wa <- getWindowAttributes d w
+
+    let width = fromIntegral $ wa_width wa
+        height = fromIntegral $ wa_height wa
+
+    withPixmapAndGC d w width height 1 $ \ p g -> do
+
+        setForeground d g 0
+        fillRectangle d p g 0 0 width height
+
+        setForeground d g 1
+
+        f p g
+
+        xshapeCombineMask d w shapeBounding 0 0 p shapeSet
+
+
+withGC :: Display -> Drawable -> (GC -> IO ()) -> IO ()
+withGC d p =
+    bracket (createGC d p) (freeGC d)
+
+
+withPixmap :: Display -> Drawable -> Dimension -> Dimension -> CInt -> (Pixmap -> IO ()) -> IO ()
+withPixmap d p w h depth =
+    bracket (createPixmap d p w h depth) (freePixmap d)
+
+
+withPixmapAndGC :: Display -> Drawable -> Dimension -> Dimension -> CInt -> (Pixmap -> GC -> IO ()) -> IO ()
+withPixmapAndGC d w width height depth f =
+    withPixmap d w width height depth $ \ p ->
+        withGC d p $ \ g -> f p g