3 files changed, 12 insertions, 6 deletions
diff --git a/users/grfn/xanthous/src/Xanthous/App/Prompt.hs b/users/grfn/xanthous/src/Xanthous/App/Prompt.hs
index f9ee9fe1686f..799281a1c2fd 100644
--- a/users/grfn/xanthous/src/Xanthous/App/Prompt.hs
+++ b/users/grfn/xanthous/src/Xanthous/App/Prompt.hs
@@ -55,7 +55,7 @@ handlePromptEvent _ (Prompt _ SConfirm _ _ _) (VtyEvent (EvKey (KChar 'n') []))
 handlePromptEvent
   msg
   (Prompt c SStringPrompt (StringPromptState edit) pri cb)
-  ev
+  (VtyEvent ev)
   = do
     edit' <- lift $ handleEditorEvent ev edit
     let prompt' = Prompt c SStringPrompt (StringPromptState edit') pri cb
diff --git a/users/grfn/xanthous/src/Xanthous/Data.hs b/users/grfn/xanthous/src/Xanthous/Data.hs
index 1acd14a0640b..703955206a7e 100644
--- a/users/grfn/xanthous/src/Xanthous/Data.hs
+++ b/users/grfn/xanthous/src/Xanthous/Data.hs
@@ -191,7 +191,7 @@ y = lens (\(Position _ yy) -> yy) (\(Position xx _) yy -> Position xx yy)
 
 type Position = Position' Int
 
-instance (Arg (Position' a) a, Arbitrary a) => Arbitrary (Position' a) where
+instance (Arbitrary a) => Arbitrary (Position' a) where
   arbitrary = genericArbitrary
   shrink (Position px py) = Position <$> shrink px <*> shrink py
 
@@ -434,7 +434,7 @@ data Neighbors a = Neighbors
   deriving stock (Show, Eq, Ord, Functor, Foldable, Traversable, Generic)
   deriving anyclass (NFData, CoArbitrary, Function, MonoFoldable)
 
-deriving via (GenericArbitrary (Neighbors a)) instance (Arg (Neighbors a) a, Arbitrary a) => Arbitrary (Neighbors a)
+deriving via (GenericArbitrary (Neighbors a)) instance (Arbitrary a) => Arbitrary (Neighbors a)
 
 type instance Element (Neighbors a) = a
 
@@ -774,7 +774,7 @@ makeFieldsNoPrefix ''Box
 
 -- It seems to be necessary to have an `Arg (V2 a) a` constraint, as a is passed
 -- to V2 internally, in order to make GHC figure out this deriving via correctly.
-deriving via (GenericArbitrary (Box a)) instance (Arg (V2 a) a, Arbitrary a) => Arbitrary (Box a)
+deriving via (GenericArbitrary (Box a)) instance (Arbitrary a) => Arbitrary (Box a)
 
 bottomRightCorner :: Num a => Box a -> V2 a
 bottomRightCorner box =
diff --git a/users/grfn/xanthous/src/Xanthous/Orphans.hs b/users/grfn/xanthous/src/Xanthous/Orphans.hs
index b00c803cfe7a..66004163f6ea 100644
--- a/users/grfn/xanthous/src/Xanthous/Orphans.hs
+++ b/users/grfn/xanthous/src/Xanthous/Orphans.hs
@@ -15,6 +15,7 @@ import           Data.Aeson hiding (Key)
 import qualified Data.Aeson.KeyMap as KM
 import           Data.Aeson.Types (typeMismatch)
 import           Data.List.NonEmpty (NonEmpty(..))
+import qualified Graphics.Vty.Input
 import           Graphics.Vty.Attributes
 import           Brick.Widgets.Edit
 import           Data.Text.Zipper.Generic (GenericTextZipper)
@@ -22,7 +23,7 @@ import           Brick.Widgets.Core (getName)
 import           System.Random.Internal (StdGen (..))
 import           System.Random.SplitMix (SMGen ())
 import           Test.QuickCheck
-import           Test.QuickCheck.Arbitrary.Generic (Arg ())
+-- import           Test.QuickCheck.Arbitrary.Generic (Arg ())
 import           "quickcheck-instances" Test.QuickCheck.Instances ()
 import           Text.Megaparsec (errorBundlePretty)
 import           Text.Megaparsec.Pos
@@ -373,7 +374,7 @@ deriving newtype instance (Arbitrary s, CoArbitrary (m (a, s)))
 
 --------------------------------------------------------------------------------
 
-deriving via (GenericArbitrary (V2 a)) instance (Arg (V2 a) a, Arbitrary a) => Arbitrary (V2 a)
+deriving via (GenericArbitrary (V2 a)) instance (Arbitrary a) => Arbitrary (V2 a)
 instance CoArbitrary a => CoArbitrary (V2 a)
 instance Function a => Function (V2 a)
 
@@ -487,3 +488,8 @@ instance forall a. (FromJSON a, Ord a) => FromJSON (Interval a) where
         pure $ val <=..<= val
       checkLength arr =
         when (length arr /= 2) $ fail "Expected array of length 2"
+
+--------------------------------------------------------------------------------
+
+deriving anyclass instance NFData Graphics.Vty.Input.Key
+deriving anyclass instance NFData Graphics.Vty.Input.Modifier