Add a binding for Gnome's "Run Application" dialog

XMonad/Config/Gnome.hs

@@ -14,12 +14,15 @@
 module XMonad.Config.Gnome (
     -- * Usage
     -- -- $usage
-    gnomeConfig
+    gnomeConfig,
+    gnomeRun
     ) where
 
 import XMonad
 import XMonad.Config.Desktop
 
+import qualified Data.Map as M
+
 -- $usage
 -- To use this module, start with the following @~\/.xmonad\/xmonad.hs@:
 --
@@ -29,4 +32,23 @@ import XMonad.Config.Desktop
 -- > main = xmonad gnomeConfig
 -- 
 
-gnomeConfig = desktopConfig { terminal = "gnome-terminal" }
+gnomeConfig = desktopConfig
+    { terminal = "gnome-terminal"
+    , keys     = \c -> gnomeKeys c `M.union` keys desktopConfig c }
+
+gnomeKeys (XConfig {modMask = modm}) = M.fromList $
+    [ ((modm, xK_p), gnomeRun) ]
+
+-- | Launch the "Run Application" dialog.  gnome-panel must be running for this
+-- to work.
+gnomeRun :: X ()
+gnomeRun = withDisplay $ \dpy -> do
+    rw <- asks theRoot
+    gnome_panel <- getAtom "_GNOME_PANEL_ACTION"
+    panel_run   <- getAtom "_GNOME_PANEL_ACTION_RUN_DIALOG"
+
+    io $ allocaXEvent $ \e -> do
+        setEventType e clientMessage
+        setClientMessageEvent e rw gnome_panel 32 panel_run 0
+        sendEvent dpy rw False structureNotifyMask e
+        sync dpy False