bugfix: make the whole background blue

src/Mtlstats.hs

@@ -23,7 +23,9 @@ module Mtlstats (app) where
 
 import Brick.AttrMap (AttrMap, forceAttrMap)
 import Brick.Main (App (..), showFirstCursor)
+import Brick.Types (Widget)
 import Brick.Util (on)
+import Brick.Widgets.Core (fill)
 import Graphics.Vty.Attributes.Color (blue, white)
 import Lens.Micro (to)
 import Lens.Micro.Mtl (use)
@@ -34,13 +36,19 @@ import Mtlstats.Types
 -- | The main application
 app :: App ProgState () ()
 app = App
-  { appDraw         = \s -> [drawController (dispatch s) s]
+  { appDraw         = draw
   , appChooseCursor = showFirstCursor
   , appHandleEvent  = handler
   , appStartEvent   = return ()
   , appAttrMap      = const myAttrMap
   }
 
+draw :: ProgState -> [Widget ()]
+draw s =
+  [ drawController (dispatch s) s
+  , fill ' '
+  ]
+
 handler :: Handler ()
 handler e = do
   c <- use (to dispatch)