minor refactor.

1 files changed, 12 insertions, 11 deletions

diff --git a/MeshSketch.hs b/MeshSketch.hs
index 571cffe..331d435 100644
--- a/MeshSketch.hs
+++ b/MeshSketch.hs
@@ -5,6 +5,7 @@ module MeshSketch where
 
 import Control.Monad
 import Data.Coerce
+import Data.Functor
 import Data.IORef
 import Foreign.C.Types
 import GI.Gdk
@@ -131,16 +132,17 @@ onEvent w st ev = do
 
         EventTypeKeyPress -> do
             kev <- get ev #key
-            val <- get kev #keyval
-            if (val `elem` [KEY_N,KEY_n]) then do
-                modifyIORef' (stSkybox st) $ \n -> (n + 1) `mod` (skyboxCount $ stSkyboxes st)
-                idx <- readIORef (stSkybox st)
-                put (skyboxNames (stSkyboxes st) !! idx)
-                return ()
-            else when (val `elem` [KEY_F,KEY_f]) $ do
-                put 'F'
-                stFullscreen st
-            return ()
+            val <- get kev #keyval <&> \k -> if k > 0x5A then k - 0x20 else k
+            case val of
+                KEY_N -> do
+                    modifyIORef' (stSkybox st) $ \n -> (n + 1) `mod` (skyboxCount $ stSkyboxes st)
+                    idx <- readIORef (stSkybox st)
+                    put (skyboxNames (stSkyboxes st) !! idx)
+                    return ()
+                KEY_F -> do
+                    put 'F'
+                    stFullscreen st
+                _ -> return ()
 
         e -> return ()
 
@@ -153,4 +155,3 @@ mkFullscreenToggle w = do
         b <- atomicModifyIORef' full $ \b -> (not b, not b)
         if b then windowFullscreen w
              else windowUnfullscreen w
-