Add signals for {show,hid,toggl}ing

Also make them {Read,Show}able which can be useful for printf debugging
and does not hurt otherwise.

1 files changed, 4 insertions, 0 deletions

diff --git a/src/Signal.hs b/src/Signal.hs
index 3919d86..0acdea1 100644
--- a/src/Signal.hs
+++ b/src/Signal.hs
@@ -13,6 +13,10 @@ instance Exception WakeUp
 data SignalType = Wakeup
                 | Reposition
                 | ChangeScreen
+                | Hide
+                | Reveal
+                | Toggle
+    deriving (Read, Show)
 
 -- | Signal handling
 setupSignalHandler :: IO (MVar SignalType)