59 changed files with 638 additions and 557 deletions
--- a/.travis.yml
+++ b/.travis.yml
@ -0,0 +1,40 @@
+# This is the simple Travis configuration, which is intended for use
+# on applications which do not require cross-platform and
+# multiple-GHC-version support. For more information and other
+# options, see:
+#
+# https://docs.haskellstack.org/en/stable/travis_ci/
+#
+# Copy these contents into the root directory of your Github project in a file
+# named .travis.yml
+
+# Choose a build environment
+dist: xenial
+
+# Do not choose a language; we provide our own build tools.
+language: generic
+
+# Caching so the next build will be fast too.
+cache:
+  directories:
+  - $HOME/.stack
+
+# Ensure necessary system libraries are present
+addons:
+  apt:
+    packages:
+      - libgmp-dev
+
+before_install:
+# Download and unpack the stack executable
+- mkdir -p ~/.local/bin
+- export PATH=$HOME/.local/bin:$PATH
+- travis_retry curl -L https://get.haskellstack.org/stable/linux-x86_64.tar.gz | tar xz --wildcards --strip-components=1 -C ~/.local/bin '*/stack'
+
+install:
+# Build dependencies
+- stack --no-terminal --install-ghc test --only-dependencies
+
+script:
+# Build the package, its tests, and its docs and run the tests
+- stack --no-terminal test --haddock --no-haddock-deps
--- a/ChangeLog.md
+++ b/ChangeLog.md
@ -1,9 +1,6 @@
 # Changelog for mtlstats

-## current
- updated code to use brick instead of ncurses
-
-## 0.17.0
+## 0.16.1
 - Don't automatically start a new game on new season

 ## 0.16.0
--- a/10
+++ b/10
@ -0,0 +1,10 @@
+# -*- mode: ruby -*-
+# vi: set ft=ruby :
+
+Vagrant.configure("2") do |config|
+  config.vm.box = "ubuntu/xenial64"
+  config.vm.provision "shell", path: "vagrant/provision.sh"
+  config.vm.provider :virtualbox do |v|
+    v.customize ["modifyvm", :id, "--memory", 4096]
+  end
+end
--- a/app/Main.hs
+++ b/app/Main.hs
@ -1,7 +1,7 @@
 {-

 mtlstats
-Copyright (C) Rhéal Lamothe
+Copyright (C) 1984, 1985, 2019, 2020 Rhéal Lamothe
 <rheal.lamothe@gmail.com>

 This program is free software: you can redistribute it and/or modify
@ -21,11 +21,10 @@ along with this program.  If not, see <https://www.gnu.org/licenses/>.

 module Main where

-import Brick.Main (defaultMain)
-import Control.Monad (void)
+import Control.Monad.Trans.State (evalStateT)
+import UI.NCurses (runCurses)

 import Mtlstats
-import Mtlstats.Types

 main :: IO ()
-main = void $ defaultMain app newProgState
+main = runCurses $ initState >>= evalStateT mainLoop
--- a/package.yaml
+++ b/package.yaml
@ -1,9 +1,10 @@
 name:                mtlstats
-version:             0.17.0
-license:             GPL-3.0-or-later
+version:             0.16.1
+github:              "mtlstats/mtlstats"
+license:             GPL-3
 author:              "Jonathan Lamothe"
 maintainer:          "jlamothe1980@gmail.com"
-copyright:           "1984, 1985, 2019-2021, 2023 Rhéal Lamothe"
+copyright:           "Rhéal Lamothe"

 extra-source-files:
 - README.md
@ -20,20 +21,17 @@ description:         Please see the README on GitHub at <https://github.com/mtls

 dependencies:
 - base >= 4.7 && < 5
- aeson >= 2.0.3.0 && < 2.1
- bytestring >= 0.11.4.0 && < 0.12
- brick >= 1.4 && < 1.5
+- aeson >= 1.4.4.0 && < 1.5
 - containers >= 0.6.0.1 && < 0.7
 - easy-file >= 0.2.2 && < 0.3
- extra >= 1.7.13 && < 1.8
- microlens >= 0.4.12.0 && < 0.5
- microlens-mtl >= 0.2.0.3 && < 0.3
+- extra >= 1.6.17 && < 1.7
 - microlens-th >= 0.4.2.3 && < 0.5
- mtl >= 2.2.2 && < 2.3
- random >= 1.2.1.1 && < 1.3
- text-zipper >= 0.12 && < 0.13
- time >= 1.11.1.1 && < 1.12
- vty >= 5.37 && < 5.38
+- ncurses >= 0.2.16 && < 0.3
+- random >= 1.1 && < 1.2
+- time >= 1.8.0.2 && < 1.9
+- transformers >= 0.5.6.2 && < 0.6
+- bytestring
+- microlens

 ghc-options:
  - -Wall
@ -63,5 +61,5 @@ tests:
    - -with-rtsopts=-N
    dependencies:
    - mtlstats
-    - hspec >= 2.9.7 && < 2.10
+    - hspec >= 2.7.1 && < 2.8
    - unordered-containers
--- a/src/Mtlstats.hs
+++ b/src/Mtlstats.hs
@ -1,7 +1,7 @@
 {- |

 mtlstats
-Copyright (C) Rhéal Lamothe
+Copyright (C) 1984, 1985, 2019, 2020, 2021 Rhéal Lamothe
 <rheal.lamothe@gmail.com>

 This program is free software: you can redistribute it and/or modify
@ -19,45 +19,40 @@ along with this program.  If not, see <https://www.gnu.org/licenses/>.

 -}

-module Mtlstats (app) where
+module Mtlstats (initState, mainLoop) where

-import Brick.AttrMap (AttrMap, forceAttrMap)
-import Brick.Main (App (..), halt, showFirstCursor)
-import Brick.Types (BrickEvent (VtyEvent), Widget)
-import Brick.Util (on)
-import Brick.Widgets.Core (fill)
-import Control.Monad.State.Class (gets)
-import Graphics.Vty.Attributes.Color (blue, white)
-import Graphics.Vty.Input.Events
-  ( Event (EvKey)
-  , Modifier (MCtrl)
-  , Key (KChar)
-  )
+import Control.Monad (void)
+import Control.Monad.Extra (whenM)
+import Control.Monad.Trans.Class (lift)
+import Control.Monad.Trans.State (get, gets)
+import Data.Maybe (fromJust)
+import qualified UI.NCurses as C

 import Mtlstats.Control
 import Mtlstats.Types

-- | The main application
-app :: App ProgState () ()
-app = App
-  { appDraw         = draw
-  , appChooseCursor = showFirstCursor
-  , appHandleEvent  = handler
-  , appStartEvent   = return ()
-  , appAttrMap      = const myAttrMap
-  }
+-- | Initializes the progran
+initState :: C.Curses ProgState
+initState = do
+  C.setEcho False
+  void $ C.setCursorMode C.CursorInvisible
+  return newProgState

-draw :: ProgState -> [Widget ()]
-draw s =
-  [ drawController (dispatch s) s
-  , fill ' '
-  ]
-
-handler :: Handler ()
-handler (VtyEvent (EvKey (KChar 'c') [MCtrl])) = halt
-handler e = do
+-- | Main program loop
+mainLoop :: Action ()
+mainLoop = do
  c <- gets dispatch
-  handleController c e
+  get >>= lift . draw . drawController c
+  w <- lift C.defaultWindow
+  whenM (lift (fromJust <$> C.getEvent w Nothing) >>= handleController c)
+    mainLoop

-myAttrMap :: AttrMap
-myAttrMap = forceAttrMap (white `on` blue)
+draw :: C.Update C.CursorMode -> C.Curses ()
+draw u = do
+  void $ C.setCursorMode C.CursorInvisible
+  w  <- C.defaultWindow
+  cm <- C.updateWindow w $ do
+    C.clear
+    u
+  C.render
+  void $ C.setCursorMode cm
--- a/src/Mtlstats/Actions.hs
+++ b/src/Mtlstats/Actions.hs
@ -1,7 +1,7 @@
 {- |

 mtlstats
-Copyright (C) Rhéal Lamothe
+Copyright (C) 1984, 1985, 2019, 2020, 2021 Rhéal Lamothe
 <rheal.lamothe@gmail.com>

 This program is free software: you can redistribute it and/or modify
@ -19,7 +19,7 @@ along with this program.  If not, see <https://www.gnu.org/licenses/>.

 -}

-{-# LANGUAGE ScopedTypeVariables #-}
+{-# LANGUAGE LambdaCase, ScopedTypeVariables #-}

 module Mtlstats.Actions
  ( startNewSeason
@ -27,6 +27,8 @@ module Mtlstats.Actions
  , clearRookies
  , resetStandings
  , startNewGame
+  , addChar
+  , removeChar
  , createPlayer
  , createGoalie
  , edit
@ -39,21 +41,18 @@ module Mtlstats.Actions
  , resetCreatePlayerState
  , resetCreateGoalieState
  , backHome
-  , clearEditor
+  , scrollUp
+  , scrollDown
  , loadDatabase
  , saveDatabase
  ) where

-import Brick.Main (viewportScroll)
-import Brick.Widgets.Edit (Editor, applyEdit)
 import Control.Exception (IOException, catch)
 import Control.Monad.IO.Class (liftIO)
-import Control.Monad.State.Class (modify)
+import Control.Monad.Trans.State (gets, modify)
 import Data.Aeson (decodeFileStrict, encodeFile)
 import Data.Maybe (fromMaybe)
-import Data.Text.Zipper (gotoBOF, killToEOF)
 import Lens.Micro ((^.), (&), (.~), (%~))
-import Lens.Micro.Mtl ((.=), use)
 import System.EasyFile
  ( createDirectoryIfMissing
  , getAppUserDataDirectory
@ -94,6 +93,16 @@ startNewGame
  = (progMode .~ NewGame newGameState)
  . (database . dbGames %~ succ)

+-- | Adds a character to the input buffer
+addChar :: Char -> ProgState -> ProgState
+addChar c = inputBuffer %~ (++[c])
+
+-- | Removes a character from the input buffer (if possible)
+removeChar :: ProgState -> ProgState
+removeChar = inputBuffer %~ \case
+  ""  -> ""
+  str -> init str
+
 -- | Starts player creation mode
 createPlayer :: ProgState -> ProgState
 createPlayer = let
@ -197,13 +206,17 @@ resetCreateGoalieState = progMode.createGoalieStateL
 -- | Resets the program state back to the main menu
 backHome :: ProgState -> ProgState
 backHome
-  = (progMode .~ MainMenu)
-  . (editorW  %~ clearEditor)
-  . (scroller .~ viewportScroll ())
+  = (progMode     .~ MainMenu)
+  . (inputBuffer  .~ "")
+  . (scrollOffset .~ 0)

-- | Clears an editor
-clearEditor :: Editor String () -> Editor String ()
-clearEditor = applyEdit $ killToEOF . gotoBOF
+-- | Scrolls the display up
+scrollUp :: ProgState -> ProgState
+scrollUp = scrollOffset %~ max 0 . pred
+
+-- | Scrolls the display down
+scrollDown :: ProgState -> ProgState
+scrollDown = scrollOffset %~ succ

 -- | Loads the database
 loadDatabase :: Action ()
@ -213,18 +226,18 @@ loadDatabase = do
    (catch
      (decodeFileStrict dbFile)
      (\(_ :: IOException) -> return Nothing))
-    >>= mapM_ (database .=)
+    >>= mapM_ (modify . (database .~))

 -- | Saves the database
 saveDatabase :: Action ()
 saveDatabase = do
-  db     <- use database
+  db     <- gets (^.database)
  dbFile <- dbSetup
  liftIO $ encodeFile dbFile db

 dbSetup :: Action String
 dbSetup = do
-  fn <- use dbName
+  fn <- gets (^.dbName)
  liftIO $ do
    dir <- getAppUserDataDirectory appName
    createDirectoryIfMissing True dir
--- a/src/Mtlstats/Actions/EditStandings.hs
+++ b/src/Mtlstats/Actions/EditStandings.hs
@ -1,7 +1,7 @@
 {- |

 mtlstats
-Copyright (C) Rhéal Lamothe
+Copyright (C) 1984, 1985, 2019, 2020, 2021 Rhéal Lamothe
 <rheal.lamothe@gmail.com>

 This program is free software: you can redistribute it and/or modify
--- a/src/Mtlstats/Actions/NewGame.hs
+++ b/src/Mtlstats/Actions/NewGame.hs
@ -1,7 +1,7 @@
 {- |

 mtlstats
-Copyright (C) Rhéal Lamothe
+Copyright (C) 1984, 1985, 2019, 2020, 2021 Rhéal Lamothe
 <rheal.lamothe@gmail.com>

 This program is free software: you can redistribute it and/or modify
--- a/src/Mtlstats/Actions/NewGame/GoalieInput.hs
+++ b/src/Mtlstats/Actions/NewGame/GoalieInput.hs
@ -1,7 +1,7 @@
 {- |

 mtlstats
-Copyright (C) Rhéal Lamothe
+Copyright (C) 1984, 1985, 2019, 2020, 2021 Rhéal Lamothe
 <rheal.lamothe@gmail.com>

 This program is free software: you can redistribute it and/or modify
--- a/src/Mtlstats/Config.hs
+++ b/src/Mtlstats/Config.hs
@ -1,7 +1,7 @@
 {- |

 mtlstats
-Copyright (C) Rhéal Lamothe
+Copyright (C) 1984, 1985, 2019, 2020, 2021 Rhéal Lamothe
 <rheal.lamothe@gmail.com>

 This program is free software: you can redistribute it and/or modify
--- a/src/Mtlstats/Control.hs
+++ b/src/Mtlstats/Control.hs
@ -1,7 +1,7 @@
 {- |

 mtlstats
-Copyright (C) Rhéal Lamothe
+Copyright (C) 1984, 1985, 2019, 2020, 2021 Rhéal Lamothe
 <rheal.lamothe@gmail.com>

 This program is free software: you can redistribute it and/or modify
--- a/src/Mtlstats/Control/CreateGoalie.hs
+++ b/src/Mtlstats/Control/CreateGoalie.hs
@ -1,7 +1,7 @@
 {- |

 mtlstats
-Copyright (C) Rhéal Lamothe
+Copyright (C) 1984, 1985, 2019, 2020, 2021 Rhéal Lamothe
 <rheal.lamothe@gmail.com>

 This program is free software: you can redistribute it and/or modify
@ -21,17 +21,15 @@ along with this program.  If not, see <https://www.gnu.org/licenses/>.

 module Mtlstats.Control.CreateGoalie (createGoalieC) where

-import Brick.Widgets.Core (str)
-import Control.Monad.State.Class (gets, modify)
+import Control.Monad.Trans.State (gets, modify)
 import Lens.Micro ((^.), (.~), (?~), (%~), to)
-import Lens.Micro.Mtl ((.=))
+import qualified UI.NCurses as C

 import Mtlstats.Actions
 import Mtlstats.Format
 import Mtlstats.Handlers
 import Mtlstats.Prompt
 import Mtlstats.Types
-import Mtlstats.Util

 -- | Handles goalie creation
 createGoalieC :: CreateGoalieState -> Controller
@ -50,28 +48,33 @@ getGoalieNameC = promptController goalieNamePrompt

 getRookieFlagC :: Controller
 getRookieFlagC = Controller
-  { drawController = const $
-    str "Is this goalie a rookie? (Y/N)"
-  , handleController = \e ->
+  { drawController = const $ do
+    C.drawString "Is this goalie a rookie? (Y/N)"
+    return C.CursorInvisible
+  , handleController = \e -> do
    modify $ case ynHandler e of
      Just True -> progMode.createGoalieStateL
        %~ (cgsRookieFlag ?~ True)
        .  (cgsActiveFlag ?~ True)
      rf -> progMode.createGoalieStateL.cgsRookieFlag .~ rf
+    return True
  }

 getActiveFlagC :: Controller
 getActiveFlagC = Controller
-  { drawController = const $ str "Is this goalie active? (Y/N)"
-  , handleController = \e ->
-    progMode.createGoalieStateL.cgsActiveFlag .= ynHandler e
+  { drawController = const $ do
+    C.drawString "Is this goalie active? (Y/N)"
+    return C.CursorInvisible
+  , handleController = \e -> do
+    modify $ progMode.createGoalieStateL.cgsActiveFlag .~ ynHandler e
+    return True
  }

 confirmCreateGoalieC :: Controller
 confirmCreateGoalieC = Controller
-  { drawController = \s -> let
-    cgs = s^.progMode.createGoalieStateL
-    in linesToWidget
+  { drawController = \s -> do
+    let cgs = s^.progMode.createGoalieStateL
+    C.drawString $ unlines
      $  labelTable
         [ ( "Goalie number", maybe "?" show $ cgs^.cgsNumber     )
         , ( "Goalie name",   cgs^.cgsName                        )
@ -81,6 +84,7 @@ confirmCreateGoalieC = Controller
      ++ [ ""
         , "Create goalie: are you sure?  (Y/N)"
         ]
+    return C.CursorInvisible
  , handleController = \e -> do
    cgs <- gets (^.progMode.createGoalieStateL)
    let
@ -99,4 +103,5 @@ confirmCreateGoalieC = Controller
            .  (egsCallback       .~ success)
      Just False -> failure
      Nothing    -> return ()
+    return True
  }
--- a/src/Mtlstats/Control/CreatePlayer.hs
+++ b/src/Mtlstats/Control/CreatePlayer.hs
@ -1,7 +1,7 @@
 {- |

 mtlstats
-Copyright (C) Rhéal Lamothe
+Copyright (C) 1984, 1985, 2019, 2020, 2021 Rhéal Lamothe
 <rheal.lamothe@gmail.com>

 This program is free software: you can redistribute it and/or modify
@ -21,17 +21,15 @@ along with this program.  If not, see <https://www.gnu.org/licenses/>.

 module Mtlstats.Control.CreatePlayer (createPlayerC) where

-import Brick.Widgets.Core (str)
-import Control.Monad.State.Class (gets, modify)
+import Control.Monad.Trans.State (gets, modify)
 import Lens.Micro ((^.), (.~), (?~), (%~), to)
-import Lens.Micro.Mtl ((.=), use)
+import qualified UI.NCurses as C

 import Mtlstats.Actions
 import Mtlstats.Format
 import Mtlstats.Handlers
 import Mtlstats.Prompt
 import Mtlstats.Types
-import Mtlstats.Util

 -- | Handles player creation
 createPlayerC :: CreatePlayerState -> Controller
@ -54,26 +52,33 @@ getPlayerPosC = promptController playerPosPrompt

 getRookieFlagC :: Controller
 getRookieFlagC = Controller
-  { drawController = const $ str "Is this player a rookie? (Y/N)"
-  , handleController = \e ->
+  { drawController = const $ do
+    C.drawString "Is this player a rookie? (Y/N)"
+    return C.CursorInvisible
+  , handleController = \e -> do
    modify $ case ynHandler e of
      Just True -> progMode.createPlayerStateL
        %~ (cpsRookieFlag ?~ True)
        .  (cpsActiveFlag ?~ True)
      rf -> progMode.createPlayerStateL.cpsRookieFlag .~ rf
+    return True
  }

 getActiveFlagC :: Controller
 getActiveFlagC = Controller
-  { drawController = const $ str "Is the player active? (Y/N)"
-  , handleController = \e ->
-    progMode.createPlayerStateL.cpsActiveFlag .= ynHandler e
+  { drawController = const $ do
+    C.drawString "Is the player active? (Y/N)"
+    return C.CursorInvisible
+  , handleController = \e -> do
+    modify $ progMode.createPlayerStateL.cpsActiveFlag .~ ynHandler e
+    return True
  }

 confirmCreatePlayerC :: Controller
 confirmCreatePlayerC = Controller
-  { drawController = \s -> let cps = s^.progMode.createPlayerStateL
-    in linesToWidget
+  { drawController = \s -> do
+    let cps = s^.progMode.createPlayerStateL
+    C.drawString $ unlines
      $  labelTable
         [ ( "Player number",   maybe "?" show $ cps^.cpsNumber     )
         , ( "Player name",     cps^.cpsName                        )
@ -84,8 +89,9 @@ confirmCreatePlayerC = Controller
      ++ [ ""
         , "Create player: are you sure?  (Y/N)"
         ]
+    return C.CursorInvisible
  , handleController = \e -> do
-    cps <- use $ progMode.createPlayerStateL
+    cps <- gets (^.progMode.createPlayerStateL)
    let
      success = cps^.cpsSuccessCallback
      failure = cps^.cpsFailureCallback
@ -102,4 +108,5 @@ confirmCreatePlayerC = Controller
            .  (epsCallback       .~ success)
      Just False -> failure
      Nothing -> return ()
+    return True
  }
--- a/src/Mtlstats/Control/EditGoalie.hs
+++ b/src/Mtlstats/Control/EditGoalie.hs
@ -1,7 +1,7 @@
 {- |

 mtlstats
-Copyright (C) Rhéal Lamothe
+Copyright (C) 1984, 1985, 2019, 2020, 2021 Rhéal Lamothe
 <rheal.lamothe@gmail.com>

 This program is free software: you can redistribute it and/or modify
@ -23,12 +23,10 @@ along with this program.  If not, see <https://www.gnu.org/licenses/>.

 module Mtlstats.Control.EditGoalie (editGoalieC) where

-import Brick.Types (Widget)
-import Brick.Widgets.Core (str, vBox)
-import Control.Monad.State.Class (modify)
+import Control.Monad.Trans.State (gets, modify)
 import Data.Maybe (fromMaybe)
-import Lens.Micro ((^.))
-import Lens.Micro.Mtl ((.=), (%=), use)
+import Lens.Micro ((^.), (.~), (%~))
+import UI.NCurses as C

 import Mtlstats.Actions
 import Mtlstats.Handlers
@ -92,19 +90,33 @@ lifetimeMenuC _ = menuControllerWith header editGoalieLtMenu
 deleteC :: Action () -> Controller
 deleteC _ = Controller

-  { drawController = \s -> let
-    hdr = fromMaybe "" $ do
-      gid    <- s^.progMode.editGoalieStateL.egsSelectedGoalie
-      goalie <- nth gid $ s^.database.dbGoalies
-      Just $ "Goalie: " ++ goalieDetails goalie ++ "\n\n"
-    in str $ hdr ++ "Are you sure you want to delete this goalie? (Y/N)"
-  , handleController = \e -> case ynHandler e of
-    Just True -> do
-      use (progMode.editGoalieStateL.egsSelectedGoalie) >>= mapM_
-        (\gid -> database.dbGoalies %= dropNth gid)
-      modify edit
-    Just False -> progMode.editGoalieStateL.egsMode .= EGMenu
-    Nothing    -> return ()
+  { drawController = \s -> do
+
+    C.drawString $ let
+
+      hdr = fromMaybe [] $ do
+        gid    <- s^.progMode.editGoalieStateL.egsSelectedGoalie
+        goalie <- nth gid $ s^.database.dbGoalies
+        Just $ "Goalie: " ++ goalieDetails goalie ++ "\n\n"
+
+      in hdr ++ "Are you sure you want to delete this goalie? (Y/N)"
+
+    return C.CursorInvisible
+
+  , handleController = \e -> do
+
+    case ynHandler e of
+
+      Just True -> do
+        gets (^.progMode.editGoalieStateL.egsSelectedGoalie) >>= mapM_
+          (\gid -> modify $ database.dbGoalies %~ dropNth gid)
+        modify edit
+
+      Just False -> modify $ progMode.editGoalieStateL.egsMode .~ EGMenu
+      Nothing    -> return ()
+
+    return True
+
  }

 ytdGamesC :: Bool -> Action () -> Controller
@ -161,11 +173,8 @@ ltLossesC = curry $ promptController .
 ltTiesC :: Action () -> Controller
 ltTiesC = promptController . editGoalieLtTiesPrompt

-header :: ProgState -> Widget () -> Widget ()
-header s w = vBox
-  [ str $ fromMaybe "" $ do
-    gid <- s^.progMode.editGoalieStateL.egsSelectedGoalie
-    g   <- nth gid $ s^.database.dbGoalies
-    Just $ goalieDetails g
-  , w
-  ]
+header :: ProgState -> C.Update ()
+header s = C.drawString $ fromMaybe "" $ do
+  gid <- s^.progMode.editGoalieStateL.egsSelectedGoalie
+  g   <- nth gid $ s^.database.dbGoalies
+  Just $ goalieDetails g ++ "\n"
--- a/src/Mtlstats/Control/EditPlayer.hs
+++ b/src/Mtlstats/Control/EditPlayer.hs
@ -1,7 +1,7 @@
 {- |

 mtlstats
-Copyright (C) Rhéal Lamothe
+Copyright (C) 1984, 1985, 2019, 2020, 2021 Rhéal Lamothe
 <rheal.lamothe@gmail.com>

 This program is free software: you can redistribute it and/or modify
@ -21,12 +21,10 @@ along with this program.  If not, see <https://www.gnu.org/licenses/>.

 module Mtlstats.Control.EditPlayer (editPlayerC) where

-import Brick.Types (Widget)
-import Brick.Widgets.Core (emptyWidget, str, vBox)
-import Control.Monad.State.Class (modify)
+import Control.Monad.Trans.State (gets, modify)
 import Data.Maybe (fromMaybe)
-import Lens.Micro ((^.))
-import Lens.Micro.Mtl ((.=), (%=), use)
+import Lens.Micro ((^.), (.~), (%~))
+import qualified UI.NCurses as C

 import Mtlstats.Actions
 import Mtlstats.Handlers
@ -83,19 +81,33 @@ lifetimeC _ = menuControllerWith header editPlayerLtMenu
 deleteC :: Action () -> Controller
 deleteC _ = Controller

-  { drawController = \s -> let
-    hdr = fromMaybe [] $ do
-      pid    <- s^.progMode.editPlayerStateL.epsSelectedPlayer
-      player <- nth pid $ s^.database.dbPlayers
-      Just $ "Player: " ++ playerDetails player ++ "\n"
-    in str $ hdr ++ "Are you sure you want to delete this player? (Y/N)"
-  , handleController = \e -> case ynHandler e of
-    Just True -> do
-      use (progMode.editPlayerStateL.epsSelectedPlayer) >>= mapM_
-        (\pid -> database.dbPlayers %= dropNth pid)
-      modify edit
-    Just False -> progMode.editPlayerStateL.epsMode .= EPMenu
-    Nothing    -> return ()
+  { drawController = \s -> do
+
+    C.drawString $ let
+
+      hdr = fromMaybe [] $ do
+        pid    <- s^.progMode.editPlayerStateL.epsSelectedPlayer
+        player <- nth pid $ s^.database.dbPlayers
+        Just $ "Player: " ++ playerDetails player ++ "\n\n"
+
+      in hdr ++ "Are you sure you want to delete this player? (Y/N)"
+
+    return C.CursorInvisible
+
+  , handleController = \e -> do
+
+    case ynHandler e of
+
+      Just True -> do
+        gets (^.progMode.editPlayerStateL.epsSelectedPlayer) >>= mapM_
+          (\pid -> modify $ database.dbPlayers %~ dropNth pid)
+        modify edit
+
+      Just False -> modify $ progMode.editPlayerStateL.epsMode .~ EPMenu
+      Nothing    -> return ()
+
+    return True
+
  }

 ytdGoalsC :: Bool -> Action () -> Controller
@ -120,11 +132,8 @@ ltAssistsC batchMode callback = promptController $
 ltPMinC :: Action () -> Controller
 ltPMinC = promptController . editPlayerLtPMinPrompt

-header :: ProgState -> Widget () -> Widget ()
-header s w = vBox
-  [ fromMaybe emptyWidget $ do
-    pid    <- s^.progMode.editPlayerStateL.epsSelectedPlayer
-    player <- nth pid $ s^.database.dbPlayers
-    Just $ str $ playerDetails player
-  , w
-  ]
+header :: ProgState -> C.Update ()
+header s = C.drawString $ fromMaybe "" $ do
+  pid    <- s^.progMode.editPlayerStateL.epsSelectedPlayer
+  player <- nth pid $ s^.database.dbPlayers
+  Just $ playerDetails player ++ "\n"
--- a/src/Mtlstats/Control/EditStandings.hs
+++ b/src/Mtlstats/Control/EditStandings.hs
@ -1,7 +1,7 @@
 {- |

 mtlstats
-Copyright (C) Rhéal Lamothe
+Copyright (C) 1984, 1985, 2019, 2020, 2021 Rhéal Lamothe
 <rheal.lamothe@gmail.com>

 This program is free software: you can redistribute it and/or modify
@ -23,9 +23,8 @@ along with this program.  If not, see <https://www.gnu.org/licenses/>.

 module Mtlstats.Control.EditStandings (editStandingsC) where

-import Brick.Types (Widget)
-import Brick.Widgets.Core (vBox)
 import Lens.Micro ((^.))
+import qualified UI.NCurses as C

 import Mtlstats.Format
 import Mtlstats.Menu
@ -34,7 +33,6 @@ import Mtlstats.Prompt
 import Mtlstats.Prompt.EditStandings
 import Mtlstats.Types
 import Mtlstats.Types.Menu
-import Mtlstats.Util

 -- | Controller for the edit standings menu
 editStandingsC :: EditStandingsMode -> Controller
@ -67,19 +65,17 @@ menuC = menuControllerWith header
 promptC :: Prompt -> Controller
 promptC = promptControllerWith header

-header :: ProgState -> Widget () -> Widget ()
-header s w = let
-  db    = s^.database
-  home  = db^.dbHomeGameStats
-  away  = db^.dbAwayGameStats
-  table  = numTable ["   W", "   L", "  OT", "  GF", "  GA"]
+header :: ProgState -> C.Update ()
+header = do
+  db <- (^.database)
+  let
+    home  = db^.dbHomeGameStats
+    away  = db^.dbAwayGameStats
+    table = numTable ["   W", "   L", "  OT", "  GF", "  GA"]
      [ ( "HOME", valsFor home )
      , ( "ROAD", valsFor away )
      ]
-  in vBox
-    [ linesToWidget $ table ++ [""]
-    , w
-    ]
+  return $ C.drawString $ unlines $ table ++ [""]

 valsFor :: GameStats -> [Int]
 valsFor gs =
--- a/src/Mtlstats/Control/NewGame.hs
+++ b/src/Mtlstats/Control/NewGame.hs
@ -1,7 +1,7 @@
 {- |

 mtlstats
-Copyright (C) Rhéal Lamothe
+Copyright (C) 1984, 1985, 2019, 2020, 2021 Rhéal Lamothe
 <rheal.lamothe@gmail.com>

 This program is free software: you can redistribute it and/or modify
@ -21,23 +21,11 @@ along with this program.  If not, see <https://www.gnu.org/licenses/>.

 module Mtlstats.Control.NewGame (newGameC) where

-import Brick.Main (vScrollBy, vScrollToBeginning)
-import Brick.Types
-  ( BrickEvent (VtyEvent)
-  , ViewportType (Vertical)
-  , Widget
-  )
-import Brick.Widgets.Center (hCenter)
-import Brick.Widgets.Core (str, vBox, viewport)
 import Control.Monad.IO.Class (liftIO)
-import Control.Monad.State.Class (get, gets, modify)
+import Control.Monad.Trans.State (get, gets, modify)
 import Data.Maybe (fromJust, fromMaybe, isJust)
-import Graphics.Vty.Input.Events
-  ( Event (EvKey)
-  , Key (KDown, KHome, KEnter, KUp)
-  )
 import Lens.Micro ((^.), (.~))
-import Lens.Micro.Mtl ((.=), use)
+import qualified UI.NCurses as C

 import Mtlstats.Actions
 import Mtlstats.Actions.NewGame
@ -93,30 +81,32 @@ awayScoreC = promptControllerWith header awayScorePrompt

 overtimeFlagC :: Controller
 overtimeFlagC = Controller
-  { drawController = \s -> header s $
-    str "Did the game go into overtime?  (Y/N)"
-  , handleController = \e ->
-    progMode.gameStateL.overtimeFlag .= ynHandler e
+  { drawController = \s -> do
+    header s
+    C.drawString "Did the game go into overtime?  (Y/N)"
+    return C.CursorInvisible
+  , handleController = \e -> do
+    modify $ progMode.gameStateL.overtimeFlag .~ ynHandler e
+    return True
  }

 verifyDataC :: Controller
 verifyDataC = Controller
-  { drawController = \s -> let
-    gs = s^.progMode.gameStateL
-    in header s $ linesToWidget $
-    [""] ++
-    labelTable
+  { drawController = \s -> do
+    let gs = s^.progMode.gameStateL
+    header s
+    C.drawString "\n"
+    C.drawString $ unlines $ labelTable
      [ ( "Date",       gameDate gs                        )
      , ( "Game type",  show $ fromJust $ gs^.gameType     )
      , ( "Other team", gs^.otherTeam                      )
      , ( "Home score", show $ fromJust $ gs^.homeScore    )
      , ( "Away score", show $ fromJust $ gs^.awayScore    )
      , ( "Overtime",   show $ fromJust $ gs^.overtimeFlag )
-      ] ++
-    [ ""
-    , "Is the above information correct?  (Y/N)"
-    ]
-  , handleController = \e ->
+      ]
+    C.drawString "\nIs the above information correct?  (Y/N)"
+    return C.CursorInvisible
+  , handleController = \e -> do
    case ynHandler e of
      Just True  -> modify
        $ (progMode.gameStateL.dataVerified .~ True)
@ -124,6 +114,7 @@ verifyDataC = Controller
        . awardShutouts
      Just False -> modify $ progMode.gameStateL .~ newGameState
      Nothing    -> return ()
+    return True
  }

 goalInput :: GameState -> Controller
@ -140,6 +131,7 @@ recordGoalC = Controller
  , handleController = \e -> do
    (game, goal) <- gets gameGoal
    promptHandler (recordGoalPrompt game goal) e
+    return True
  }

 recordAssistC :: Controller
@ -150,100 +142,114 @@ recordAssistC = Controller
  , handleController = \e -> do
    (game, goal, assist) <- gets gameGoalAssist
    promptHandler (recordAssistPrompt game goal assist) e
+    return True
  }

 confirmGoalDataC :: Controller
 confirmGoalDataC = Controller
-  { drawController = \s -> let
-    (game, goal) = gameGoal s
-    gs           = s^.progMode.gameStateL
-    players      = s^.database.dbPlayers
-    msg          =
-      [ "          Game: " ++ padNum 2 game
-      , "          Goal: " ++ show goal
-      , "Goal scored by: " ++
-        playerSummary (fromJust $ gs^.goalBy >>= flip nth players)
-      ] ++
-      map
-        ( \pid -> "   Assisted by: " ++
-          playerSummary (fromJust $ nth pid players)
-        )
-        (gs^.assistsBy) ++
-      [ ""
-      , "Is the above information correct? (Y/N)"
-      ]
-    in linesToWidget msg
+  { drawController = \s -> do
+    let
+      (game, goal) = gameGoal s
+      gs           = s^.progMode.gameStateL
+      players      = s^.database.dbPlayers
+      msg          = unlines $
+        [ "          Game: " ++ padNum 2 game
+        , "          Goal: " ++ show goal
+        , "Goal scored by: " ++
+          playerSummary (fromJust $ gs^.goalBy >>= flip nth players)
+        ] ++
+        map
+          (\pid -> "   Assisted by: " ++
+            playerSummary (fromJust $ nth pid players))
+          (gs^.assistsBy) ++
+        [ ""
+        , "Is the above information correct? (Y/N)"
+        ]
+    C.drawString msg
+    return C.CursorInvisible
  , handleController = \e -> do
    case ynHandler e of
      Just True  -> modify recordGoalAssists
      Just False -> modify resetGoalData
      Nothing    -> return ()
+    return True
  }

 pMinPlayerC :: Controller
 pMinPlayerC = Controller
-  { drawController = \s -> header s $
+  { drawController = \s -> do
+    header s
    drawPrompt pMinPlayerPrompt s
-  , handleController = promptHandler pMinPlayerPrompt
+  , handleController = \e -> do
+    promptHandler pMinPlayerPrompt e
+    return True
  }

 getPMinsC :: Controller
 getPMinsC = Controller
-  { drawController = \s ->  header s $ vBox
-    [ str $ fromMaybe "" $ do
+  { drawController = \s -> do
+    header s
+    C.drawString $ fromMaybe "" $ do
      pid    <- s^.progMode.gameStateL.gameSelectedPlayer
      player <- nth pid $ s^.database.dbPlayers
-      Just $ playerSummary player
-    , drawPrompt assignPMinsPrompt s
-    ]
-  , handleController = promptHandler assignPMinsPrompt
+      Just $ playerSummary player ++ "\n"
+    drawPrompt assignPMinsPrompt s
+  , handleController = \e -> do
+    promptHandler assignPMinsPrompt e
+    return True
  }

 reportC :: Controller
 reportC = Controller
-  { drawController = viewport () Vertical . hCenter . linesToWidget .
-    displayReport reportCols
+  { drawController = \s -> do
+    (rows, cols) <- C.windowSize
+    C.drawString $ unlines $ slice
+      (s^.scrollOffset)
+      (fromInteger $ pred rows)
+      (displayReport (fromInteger $ pred cols) s)
+    return C.CursorInvisible
  , handleController = \e -> do
-    scr <- use scroller
    case e of
-      VtyEvent (EvKey k []) -> case k of
-        KUp    -> vScrollBy scr (-1)
-        KDown  -> vScrollBy scr 1
-        KHome  -> vScrollToBeginning scr
-        KEnter -> do
-          get >>= liftIO . writeFile reportFilename . exportReport reportCols
-          modify backHome
-        _ -> return ()
+      C.EventSpecialKey C.KeyUpArrow   -> modify scrollUp
+      C.EventSpecialKey C.KeyDownArrow -> modify scrollDown
+      C.EventSpecialKey C.KeyHome      -> modify $ scrollOffset .~ 0
+
+      C.EventCharacter '\n' -> do
+        get >>= liftIO . writeFile reportFilename . exportReport reportCols
+        modify backHome
+
      _ -> return ()
+    return True
  }

-header :: ProgState -> Widget () -> Widget ()
-header s w = vBox
-  [ str $ "*** GAME " ++ padNum 2 (s^.database.dbGames) ++ " ***\n"
-  , w
-  ]
+header :: ProgState -> C.Update ()
+header s = C.drawString $
+  "*** GAME " ++ padNum 2 (s^.database.dbGames) ++ " ***\n"

-monthHeader :: ProgState -> Widget () -> Widget ()
-monthHeader s w = let 
-  table = labelTable $ zip (map show ([1..] :: [Int]))
-    [ "JANUARY"
-    , "FEBRUARY"
-    , "MARCH"
-    , "APRIL"
-    , "MAY"
-    , "JUNE"
-    , "JULY"
-    , "AUGUST"
-    , "SEPTEMBER"
-    , "OCTOBER"
-    , "NOVEMBER"
-    , "DECEMBER"
-    ]
-  in header s $ vBox
-    [ linesToWidgetC $
+monthHeader :: ProgState -> C.Update ()
+monthHeader s = do
+  (_, cols) <- C.windowSize
+  header s
+
+  let
+    table = labelTable $ zip (map show ([1..] :: [Int]))
+      [ "JANUARY"
+      , "FEBRUARY"
+      , "MARCH"
+      , "APRIL"
+      , "MAY"
+      , "JUNE"
+      , "JULY"
+      , "AUGUST"
+      , "SEPTEMBER"
+      , "OCTOBER"
+      , "NOVEMBER"
+      , "DECEMBER"
+      ]
+
+  C.drawString $ unlines $
+    map (centre $ fromIntegral $ pred cols) $
      ["MONTH:", ""] ++ table ++ [""]
-    , w
-    ]

 gameGoal :: ProgState -> (Int, Int)
 gameGoal s =
--- a/src/Mtlstats/Control/NewGame/GoalieInput.hs
+++ b/src/Mtlstats/Control/NewGame/GoalieInput.hs
@ -1,7 +1,7 @@
 {- |

 mtlstats
-Copyright (C) Rhéal Lamothe
+Copyright (C) 1984, 1985, 2019, 2020, 2021 Rhéal Lamothe
 <rheal.lamothe@gmail.com>

 This program is free software: you can redistribute it and/or modify
@ -21,10 +21,9 @@ along with this program.  If not, see <https://www.gnu.org/licenses/>.

 module Mtlstats.Control.NewGame.GoalieInput (goalieInputC) where

-import Brick.Types (Widget)
-import Brick.Widgets.Core (str, vBox)
 import Data.Maybe (fromMaybe)
 import Lens.Micro ((^.))
+import qualified UI.NCurses as C

 import Mtlstats.Format
 import Mtlstats.Menu
@ -53,11 +52,11 @@ goalsAllowedC = promptControllerWith header goalsAllowedPrompt
 selectGameGoalieC :: Controller
 selectGameGoalieC = menuStateController gameGoalieMenu

-header :: ProgState -> Widget () -> Widget ()
-header s w = vBox $ map str
+header :: ProgState -> C.Update ()
+header s = C.drawString $ unlines
  [ "*** GAME " ++ padNum 2 (s^.database.dbGames) ++ " ***"
  , fromMaybe "" $ do
    n <- s^.progMode.gameStateL.gameSelectedGoalie
    g <- nth n $ s^.database.dbGoalies
    Just $ goalieSummary g
-  ] ++ [w]
+  ]
--- a/src/Mtlstats/Control/TitleScreen.hs
+++ b/src/Mtlstats/Control/TitleScreen.hs
@ -1,7 +1,7 @@
 {- |

 mtlstats
-Copyright (C) Rhéal Lamothe
+Copyright (C) 1984, 1985, 2019, 2020, 2021 Rhéal Lamothe
 <rheal.lamothe@gmail.com>

 This program is free software: you can redistribute it and/or modify
@ -23,31 +23,34 @@ along with this program.  If not, see <https://www.gnu.org/licenses/>.

 module Mtlstats.Control.TitleScreen (titleScreenC) where

-import Brick.Types (BrickEvent (VtyEvent))
-import Control.Monad.State.Class (modify)
+import Control.Monad.Trans.State (modify)
 import Data.Char (chr)
-import Graphics.Vty.Input.Events (Event (EvKey))
+import qualified UI.NCurses as C

 import Mtlstats.Actions
+import Mtlstats.Format
 import Mtlstats.Types
-import Mtlstats.Util

 titleScreenC :: Controller
 titleScreenC = Controller
-  { drawController = const $ linesToWidgetC
-    $  [ ""
-       , "MONTREAL CANADIENS STATISTICS"
-       ]
-    ++ titleText
-    ++ [ ""
-       , "Copyright (C) 1984, 1985, 2019-2021, 2023 Rhéal Lamothe"
-       , "<rheal.lamothe@gmail.com>"
-       , ""
-       , "Press any key to continue..."
-       ]
+  { drawController = const $ do
+    (_, cols) <- C.windowSize
+    C.drawString $ unlines $ map (centre $ fromIntegral $ pred cols)
+      $  [ ""
+         , "MONTREAL CANADIENS STATISTICS"
+         ]
+      ++ titleText
+      ++ [ ""
+         , "Copyright (C) 1984, 1985, 2019, 2020, 2021 Rhéal Lamothe"
+         , "<rheal.lamothe@gmail.com>"
+         , ""
+         , "Press any key to continue..."
+         ]
+    return C.CursorInvisible
  , handleController = \case
-    VtyEvent (EvKey _ _) -> modify backHome
-    _                    -> return ()
+    C.EventCharacter _  -> modify backHome >> return True
+    C.EventSpecialKey _ -> modify backHome >> return True
+    _                   -> return True
  }

 titleText :: [String]
@ -57,7 +60,7 @@ titleText = box $ map (map blockify) $ foldl joinBlocks (repeat "")
 box :: [String] -> [String]
 box strs
  =  [[tl] ++ replicate width horiz ++ [tr]]
-  ++ map (\s -> [vert] ++ s ++ [vert]) strs
+  ++ map (\str -> [vert] ++ str ++ [vert]) strs
  ++ [[bl] ++ replicate width horiz ++ [br]]
  where
    width = length $ head strs
--- a/src/Mtlstats/Format.hs
+++ b/src/Mtlstats/Format.hs
@ -1,7 +1,7 @@
 {- |

 mtlstats
-Copyright (C) Rhéal Lamothe
+Copyright (C) 1984, 1985, 2019, 2020, 2021 Rhéal Lamothe
 <rheal.lamothe@gmail.com>

 This program is free software: you can redistribute it and/or modify
--- a/src/Mtlstats/Handlers.hs
+++ b/src/Mtlstats/Handlers.hs
@ -1,7 +1,7 @@
 {- |

 mtlstats
-Copyright (C) Rhéal Lamothe
+Copyright (C) 1984, 1985, 2019, 2020, 2021 Rhéal Lamothe
 <rheal.lamothe@gmail.com>

 This program is free software: you can redistribute it and/or modify
@ -21,13 +21,12 @@ along with this program.  If not, see <https://www.gnu.org/licenses/>.

 module Mtlstats.Handlers (ynHandler) where

-import Brick.Types (BrickEvent (VtyEvent))
 import Data.Char (toUpper)
-import Graphics.Vty.Input.Events (Event (EvKey), Key (KChar))
+import qualified UI.NCurses as C

 -- | Handler for a yes/no prompt
-ynHandler :: BrickEvent () () -> Maybe Bool
-ynHandler (VtyEvent (EvKey (KChar c) [])) = case toUpper c of
+ynHandler :: C.Event -> Maybe Bool
+ynHandler (C.EventCharacter c) = case toUpper c of
  'Y' -> Just True
  'N' -> Just False
  _   -> Nothing
--- a/src/Mtlstats/Helpers/Goalie.hs
+++ b/src/Mtlstats/Helpers/Goalie.hs
@ -1,7 +1,7 @@
 {- |

 mtlstats
-Copyright (C) Rhéal Lamothe
+Copyright (C) 1984, 1985, 2019, 2020, 2021 Rhéal Lamothe
 <rheal.lamothe@gmail.com>

 This program is free software: you can redistribute it and/or modify
--- a/src/Mtlstats/Helpers/Player.hs
+++ b/src/Mtlstats/Helpers/Player.hs
@ -1,7 +1,7 @@
 {- |

 mtlstats
-Copyright (C) Rhéal Lamothe
+Copyright (C) 1984, 1985, 2019, 2020, 2021 Rhéal Lamothe
 <rheal.lamothe@gmail.com>

 This program is free software: you can redistribute it and/or modify
--- a/src/Mtlstats/Helpers/Position.hs
+++ b/src/Mtlstats/Helpers/Position.hs
@ -1,7 +1,7 @@
 {- |

 mtlstats
-Copyright (C) Rhéal Lamothe
+Copyright (C) 1984, 1985, 2019, 2020, 2021 Rhéal Lamothe
 <rheal.lamothe@gmail.com>

 This program is free software: you can redistribute it and/or modify
@ -28,12 +28,12 @@ module Mtlstats.Helpers.Position
  , getPositions
  ) where

+import Control.Monad.Trans.State (gets)
 import Data.Char (toUpper)
 import Data.List (isInfixOf)
 import Data.Maybe (fromMaybe)
 import qualified Data.Set as S
 import Lens.Micro ((^.), to)
-import Lens.Micro.Mtl (use)

 import Mtlstats.Types
 import Mtlstats.Util
@ -78,7 +78,7 @@ posCallback
 posCallback callback = \case
  Nothing -> callback ""
  Just n  -> do
-    ps <- use (database.to getPositions)
+    ps <- gets (^.database.to getPositions)
    let pos = fromMaybe "" $ nth n ps
    callback pos

--- a/src/Mtlstats/Menu.hs
+++ b/src/Mtlstats/Menu.hs
@ -1,7 +1,7 @@
 {- |

 mtlstats
-Copyright (C) Rhéal Lamothe
+Copyright (C) 1984, 1985, 2019, 2020, 2021 Rhéal Lamothe
 <rheal.lamothe@gmail.com>

 This program is free software: you can redistribute it and/or modify
@ -34,37 +34,40 @@ module Mtlstats.Menu (
  editMenu
 ) where

-import Brick.Main (halt)
-import Brick.Types (BrickEvent (VtyEvent), Widget)
-import Control.Monad.State.Class (gets, modify)
+import Control.Monad.Trans.State (gets, modify)
 import Data.Char (toUpper)
 import qualified Data.Map as M
 import Data.Maybe (mapMaybe)
-import Graphics.Vty.Input.Events (Event (EvKey), Key (KChar))
 import Lens.Micro ((^.), (?~))
+import qualified UI.NCurses as C

 import Mtlstats.Actions
 import qualified Mtlstats.Actions.NewGame.GoalieInput as GI
 import Mtlstats.Actions.EditStandings
+import Mtlstats.Format
 import Mtlstats.Types
 import Mtlstats.Types.Menu
 import Mtlstats.Util

 -- | Generates a simple 'Controller' for a Menu
 menuController :: Menu () -> Controller
-menuController = menuControllerWith $ const id
+menuController = menuControllerWith $ const $ return ()

 -- | Generate a simple 'Controller' for a 'Menu' with a header
 menuControllerWith
-  :: (ProgState -> Widget () -> Widget())
-  -- ^ Function to attach the header
+  :: (ProgState -> C.Update ())
+  -- ^ Generates the header
  -> Menu ()
  -- ^ The menu
  -> Controller
  -- ^ The resulting controller
 menuControllerWith header menu = Controller
-  { drawController = \s -> header s $ drawMenu menu
-  , handleController = menuHandler menu
+  { drawController = \s -> do
+    header s
+    drawMenu menu
+  , handleController = \e -> do
+    menuHandler menu e
+    return True
  }

 -- | Generate and create a controller for a menu based on the current
@ -79,33 +82,38 @@ menuStateController menuFunc = Controller
  , handleController = \e -> do
    menu <- gets menuFunc
    menuHandler menu e
+    return True
  }

 -- | The draw function for a 'Menu'
-drawMenu :: Menu a -> Widget ()
-drawMenu m = let
-  menuLines = lines $ show m
-  in linesToWidgetC menuLines
+drawMenu :: Menu a -> C.Update C.CursorMode
+drawMenu m = do
+  (_, cols) <- C.windowSize
+  let
+    width    = fromIntegral $ pred cols
+    menuText = map (centre width) $ lines $ show m
+  C.drawString $ unlines menuText
+  return C.CursorInvisible

 -- | The event handler for a 'Menu'
-menuHandler :: Menu a -> Handler a
-menuHandler m (VtyEvent (EvKey (KChar c) [])) =
+menuHandler :: Menu a -> C.Event -> Action a
+menuHandler m (C.EventCharacter c) =
  case filter (\i -> i^.miKey == toUpper c) $ m^.menuItems of
    i:_ -> i^.miAction
    []  -> return $ m^.menuDefault
 menuHandler m _ = return $ m^.menuDefault

 -- | The main menu
-mainMenu :: Menu ()
-mainMenu = Menu "MASTER MENU" ()
+mainMenu :: Menu Bool
+mainMenu = Menu "MASTER MENU" True
  [ MenuItem 'A' "NEW SEASON" $
-    modify startNewSeason
+    modify startNewSeason >> return True
  , MenuItem 'B' "NEW GAME" $
-    modify startNewGame
+    modify startNewGame >> return True
  , MenuItem 'C' "EDIT MENU" $
-    modify edit
+    modify edit >> return True
  , MenuItem 'E' "EXIT" $
-    saveDatabase >> halt
+    saveDatabase >> return False
  ]

 -- | The new season menu
--- a/src/Mtlstats/Menu/EditGoalie.hs
+++ b/src/Mtlstats/Menu/EditGoalie.hs
@ -1,7 +1,7 @@
 {- |

 mtlstats
-Copyright (C) Rhéal Lamothe
+Copyright (C) 1984, 1985, 2019, 2020, 2021 Rhéal Lamothe
 <rheal.lamothe@gmail.com>

 This program is free software: you can redistribute it and/or modify
@ -25,7 +25,7 @@ module Mtlstats.Menu.EditGoalie
  , editGoalieLtMenu
  ) where

-import Control.Monad.State.Class (modify)
+import Control.Monad.Trans.State (modify)
 import Lens.Micro ((.~), (%~))

 import Mtlstats.Actions
--- a/src/Mtlstats/Menu/EditPlayer.hs
+++ b/src/Mtlstats/Menu/EditPlayer.hs
@ -1,7 +1,7 @@
 {- |

 mtlstats
-Copyright (C) Rhéal Lamothe
+Copyright (C) 1984, 1985, 2019, 2020, 2021 Rhéal Lamothe
 <rheal.lamothe@gmail.com>

 This program is free software: you can redistribute it and/or modify
@ -25,7 +25,7 @@ module Mtlstats.Menu.EditPlayer
  , editPlayerLtMenu
  ) where

-import Control.Monad.State.Class (modify)
+import Control.Monad.Trans.State (modify)
 import Lens.Micro ((.~), (%~))

 import Mtlstats.Actions
--- a/src/Mtlstats/Menu/EditStandings.hs
+++ b/src/Mtlstats/Menu/EditStandings.hs
@ -1,7 +1,7 @@
 {- |

 mtlstats
-Copyright (C) Rhéal Lamothe
+Copyright (C) 1984, 1985, 2019, 2020, 2021 Rhéal Lamothe
 <rheal.lamothe@gmail.com>

 This program is free software: you can redistribute it and/or modify
@ -25,7 +25,7 @@ module Mtlstats.Menu.EditStandings
  , editAwayStandingsMenu
  ) where

-import Control.Monad.State.Class (modify)
+import Control.Monad.Trans.State (modify)

 import Mtlstats.Actions
 import Mtlstats.Actions.EditStandings
--- a/src/Mtlstats/Prompt.hs
+++ b/src/Mtlstats/Prompt.hs
@ -1,7 +1,7 @@
 {- |

 mtlstats
-Copyright (C) Rhéal Lamothe
+Copyright (C) 1984, 1985, 2019, 2020, 2021 Rhéal Lamothe
 <rheal.lamothe@gmail.com>

 This program is free software: you can redistribute it and/or modify
@ -19,8 +19,11 @@ along with this program.  If not, see <https://www.gnu.org/licenses/>.

 -}

+{-# LANGUAGE LambdaCase #-}
+
 module Mtlstats.Prompt (
  -- * Prompt Functions
+  drawPrompt,
  promptHandler,
  promptControllerWith,
  promptController,
@ -48,21 +51,14 @@ module Mtlstats.Prompt (
  playerToEditPrompt
 ) where

-import Brick.Types (BrickEvent (VtyEvent), Widget)
-import Brick.Widgets.Core (hBox, str, vBox)
-import Brick.Widgets.Edit (editContentsL, renderEditor)
 import Control.Monad (when)
 import Control.Monad.Extra (whenJust)
-import Control.Monad.State.Class (gets, modify)
+import Control.Monad.Trans.State (gets, modify)
 import Data.Char (isAlphaNum, isDigit, toUpper)
-import Data.Text.Zipper (deletePrevChar, insertChar)
-import Graphics.Vty.Input.Events
-  ( Event (EvKey)
-  , Key (KBS, KChar, KEnter, KFun)
-  )
-import Lens.Micro ((^.), (&), (.~), (?~), (%~), to)
-import Lens.Micro.Mtl ((%=), use)
+import Lens.Micro ((^.), (&), (.~), (?~), (%~))
+import Lens.Micro.Extras (view)
 import Text.Read (readMaybe)
+import qualified UI.NCurses as C

 import Mtlstats.Actions
 import Mtlstats.Config
@ -70,31 +66,41 @@ import Mtlstats.Helpers.Position
 import Mtlstats.Types
 import Mtlstats.Util

+-- | Draws the prompt to the screen
+drawPrompt :: Prompt -> ProgState -> C.Update C.CursorMode
+drawPrompt p s = do
+  promptDrawer p s
+  return C.CursorVisible
+
 -- | Event handler for a prompt
-promptHandler :: Prompt -> Handler ()
-promptHandler p (VtyEvent (EvKey KEnter [])) = do
-  val <- use $ editorW.to userText
-  editorW %= clearEditor
+promptHandler :: Prompt -> C.Event -> Action ()
+promptHandler p (C.EventCharacter '\n') = do
+  val <- gets $ view inputBuffer
+  modify $ inputBuffer .~ ""
  promptAction p val
-promptHandler p (VtyEvent (EvKey (KChar c) [])) =
-  editorW %= promptProcessChar p c
-promptHandler _ (VtyEvent (EvKey KBS [])) =
-  editorW.editContentsL %= deletePrevChar
-promptHandler p (VtyEvent (EvKey k m)) =
-  promptSpecialKey p k m
+promptHandler p (C.EventCharacter c) =
+  modify $ inputBuffer %~ promptProcessChar p c
+promptHandler _ (C.EventSpecialKey C.KeyBackspace) =
+  modify removeChar
+promptHandler p (C.EventSpecialKey k) =
+  promptSpecialKey p k
 promptHandler _ _ = return ()

 -- | Builds a controller out of a prompt with a header
 promptControllerWith
-  :: (ProgState -> Widget () -> Widget ())
+  :: (ProgState -> C.Update ())
  -- ^ The header
  -> Prompt
  -- ^ The prompt to use
  -> Controller
  -- ^ The resulting controller
 promptControllerWith header prompt = Controller
-  { drawController   = \s -> header s $ drawPrompt prompt s
-  , handleController = promptHandler prompt
+  { drawController = \s -> do
+    header s
+    drawPrompt prompt s
+  , handleController = \e -> do
+    promptHandler prompt e
+    return True
  }

 -- | Builds a controller out of a prompt
@ -103,7 +109,7 @@ promptController
  -- ^ The prompt to use
  -> Controller
  -- ^ The resulting controller
-promptController = promptControllerWith $ const id
+promptController = promptControllerWith (const $ return ())

 -- | Builds a string prompt
 strPrompt
@ -113,10 +119,10 @@ strPrompt
  -- ^ The callback function for the result
  -> Prompt
 strPrompt pStr act = Prompt
-  { drawPrompt        = drawSimplePrompt pStr
-  , promptProcessChar = \ch -> editContentsL %~ insertChar ch
+  { promptDrawer      = drawSimplePrompt pStr
+  , promptProcessChar = \ch -> (++ [ch])
  , promptAction      = act
-  , promptSpecialKey  = \_ _ -> return ()
+  , promptSpecialKey  = const $ return ()
  }

 -- | Creates an upper case string prompt
@ -127,7 +133,7 @@ ucStrPrompt
  -- ^ The callback function for the result
  -> Prompt
 ucStrPrompt pStr act = (strPrompt pStr act)
-  { promptProcessChar = \ch -> editContentsL %~ insertChar ch }
+  { promptProcessChar = \ch -> (++ [toUpper ch]) }

 -- | Creates a prompt which forces capitalization of input to
 -- accomodate a player or goalie name
@ -173,12 +179,12 @@ numPromptWithFallback
  -- ^ The callback function for the result
  -> Prompt
 numPromptWithFallback pStr fallback act = Prompt
-  { drawPrompt        = drawSimplePrompt pStr
-  , promptProcessChar = \ch existing -> if isDigit ch
-    then existing & editContentsL %~ insertChar ch
-    else existing
+  { promptDrawer      = drawSimplePrompt pStr
+  , promptProcessChar = \ch str -> if isDigit ch
+    then str ++ [ch]
+    else str
  , promptAction      = maybe fallback act . readMaybe
-  , promptSpecialKey  = \_ _ -> return ()
+  , promptSpecialKey  = const $ return ()
  }

 -- | Prompts for a database name
@ -190,7 +196,7 @@ dbNamePrompt
  -> Prompt
 dbNamePrompt pStr act = (strPrompt pStr act)
  { promptProcessChar = \ch -> if isAlphaNum ch || ch == '-'
-    then editContentsL %~ insertChar (toUpper ch)
+    then (++[toUpper ch])
    else id
  }

@ -209,23 +215,18 @@ newSeasonPrompt = dbNamePrompt "Filename for new season: " $ \fn ->
 -- | Builds a selection prompt
 selectPrompt :: SelectParams a -> Prompt
 selectPrompt params = Prompt
-  { drawPrompt = \s -> let
-    sStr       = s^.editorW.to userText
-    pStr       = spPrompt params
-    results    = zip [1..maxFunKeys] $ spSearch params sStr (s^.database)
-    fmtRes     = map
+  { promptDrawer = \s -> do
+    let sStr = s^.inputBuffer
+    C.drawString $ spPrompt params ++ sStr
+    (row, col) <- C.cursorPosition
+    C.drawString $ "\n\n" ++ spSearchHeader params ++ "\n"
+    let results = zip [1..maxFunKeys] $ spSearch params sStr (s^.database)
+    C.drawString $ unlines $ map
      (\(n, (_, x)) -> let
        desc = spElemDesc params x
-        in str $ "F" ++ show n ++ ") " ++ desc)
+        in "F" ++ show n ++ ") " ++ desc)
      results
-    in vBox $
-      [ hBox
-        [ str pStr
-        , renderEditor linesToWidget True (s^.editorW)
-        ]
-      , str " "
-      , str $ spSearchHeader params
-      ] ++ fmtRes
+    C.moveCursor row col
  , promptProcessChar = spProcessChar params
  , promptAction = \sStr -> if null sStr
    then spCallback params Nothing
@ -234,16 +235,16 @@ selectPrompt params = Prompt
      case spSearchExact params sStr db of
        Nothing -> spNotFound params sStr
        Just n  -> spCallback params $ Just n
-  , promptSpecialKey = \key _ -> case key of
-    KFun rawK -> do
-      sStr <- use $ editorW . to userText
-      db   <- use database
+  , promptSpecialKey = \case
+    C.KeyFunction rawK -> do
+      sStr <- gets (^.inputBuffer)
+      db   <- gets (^.database)
      let
-        n       = pred rawK
+        n       = pred $ fromInteger rawK
        results = spSearch params sStr db
      when (n < maxFunKeys) $
        whenJust (nth n results) $ \(sel, _) -> do
-          editorW %= clearEditor
+          modify $ inputBuffer .~ ""
          spCallback params $ Just sel
    _ -> return ()
  }
@ -396,7 +397,7 @@ selectPositionPrompt pStr callback = selectPrompt SelectParams
  , spSearch = posSearch
  , spSearchExact = posSearchExact
  , spElemDesc = id
-  , spProcessChar = \c -> editContentsL %~ insertChar (toUpper c)
+  , spProcessChar = \ch -> (++ [toUpper ch])
  , spCallback = posCallback callback
  , spNotFound = callback
  }
@ -405,8 +406,5 @@ playerToEditPrompt :: Prompt
 playerToEditPrompt = selectPlayerPrompt "Player to edit: " $
  modify . (progMode.editPlayerStateL.epsSelectedPlayer .~)

-drawSimplePrompt :: String -> Renderer
-drawSimplePrompt pStr s = hBox
-  [ str pStr
-  , renderEditor linesToWidget True (s^.editorW)
-  ]
+drawSimplePrompt :: String -> ProgState -> C.Update ()
+drawSimplePrompt pStr s = C.drawString $ pStr ++ s^.inputBuffer
--- a/src/Mtlstats/Prompt/EditGoalie.hs
+++ b/src/Mtlstats/Prompt/EditGoalie.hs
@ -1,7 +1,7 @@
 {- |

 mtlstats
-Copyright (C) Rhéal Lamothe
+Copyright (C) 1984, 1985, 2019, 2020, 2021 Rhéal Lamothe
 <rheal.lamothe@gmail.com>

 This program is free software: you can redistribute it and/or modify
@ -39,7 +39,7 @@ module Mtlstats.Prompt.EditGoalie
  , editGoalieLtTiesPrompt
  ) where

-import Control.Monad.State.Class (modify)
+import Control.Monad.Trans.State (modify)
 import Lens.Micro ((.~))

 import Mtlstats.Actions
--- a/src/Mtlstats/Prompt/EditPlayer.hs
+++ b/src/Mtlstats/Prompt/EditPlayer.hs
@ -1,7 +1,7 @@
 {- |

 mtlstats
-Copyright (C) Rhéal Lamothe
+Copyright (C) 1984, 1985, 2019, 2020, 2021 Rhéal Lamothe
 <rheal.lamothe@gmail.com>

 This program is free software: you can redistribute it and/or modify
@ -31,7 +31,7 @@ module Mtlstats.Prompt.EditPlayer
  , editPlayerLtPMinPrompt
  ) where

-import Control.Monad.State.Class (modify)
+import Control.Monad.Trans.State (modify)
 import Lens.Micro ((.~))

 import Mtlstats.Actions
--- a/src/Mtlstats/Prompt/EditStandings.hs
+++ b/src/Mtlstats/Prompt/EditStandings.hs
@ -1,7 +1,7 @@
 {- |

 mtlstats
-Copyright (C) Rhéal Lamothe
+Copyright (C) 1984, 1985, 2019, 2020, 2021 Rhéal Lamothe
 <rheal.lamothe@gmail.com>

 This program is free software: you can redistribute it and/or modify
@ -32,7 +32,7 @@ module Mtlstats.Prompt.EditStandings
  , editAwayGoalsAgainstPrompt
  ) where

-import Control.Monad.State.Class (modify)
+import Control.Monad.Trans.State (modify)
 import Lens.Micro ((.~), (%~))

 import Mtlstats.Prompt
--- a/src/Mtlstats/Prompt/NewGame.hs
+++ b/src/Mtlstats/Prompt/NewGame.hs
@ -1,7 +1,7 @@
 {- |

 mtlstats
-Copyright (C) Rhéal Lamothe
+Copyright (C) 1984, 1985, 2019, 2020, 2021 Rhéal Lamothe
 <rheal.lamothe@gmail.com>

 This program is free software: you can redistribute it and/or modify
@ -35,7 +35,7 @@ module Mtlstats.Prompt.NewGame
  ) where

 import Control.Monad (when)
-import Control.Monad.State.Class (gets, modify)
+import Control.Monad.Trans.State (gets, modify)
 import Lens.Micro ((^.), (.~), (?~), (%~))

 import Mtlstats.Actions.NewGame
--- a/src/Mtlstats/Prompt/NewGame/GoalieInput.hs
+++ b/src/Mtlstats/Prompt/NewGame/GoalieInput.hs
@ -1,7 +1,7 @@
 {- |

 mtlstats
-Copyright (C) Rhéal Lamothe
+Copyright (C) 1984, 1985, 2019, 2020, 2021 Rhéal Lamothe
 <rheal.lamothe@gmail.com>

 This program is free software: you can redistribute it and/or modify
@ -27,7 +27,7 @@ module Mtlstats.Prompt.NewGame.GoalieInput
  , goalsAllowedPrompt
  ) where

-import Control.Monad.State.Class (modify)
+import Control.Monad.Trans.State (modify)
 import Lens.Micro ((?~))

 import Mtlstats.Actions.NewGame.GoalieInput
--- a/src/Mtlstats/Report.hs
+++ b/src/Mtlstats/Report.hs
@ -1,7 +1,7 @@
 {- |

 mtlstats
-Copyright (C) Rhéal Lamothe
+Copyright (C) 1984, 1985, 2019, 2020, 2021 Rhéal Lamothe
 <rheal.lamothe@gmail.com>

 This program is free software: you can redistribute it and/or modify
--- a/src/Mtlstats/Types.hs
+++ b/src/Mtlstats/Types.hs
@ -1,7 +1,7 @@
 {- |

 mtlstats
-Copyright (C) Rhéal Lamothe
+Copyright (C) 1984, 1985, 2019, 2020, 2021 Rhéal Lamothe
 <rheal.lamothe@gmail.com>

 This program is free software: you can redistribute it and/or modify
@ -24,9 +24,7 @@ along with this program.  If not, see <https://www.gnu.org/licenses/>.
 module Mtlstats.Types (
  -- * Types
  Controller (..),
-  Renderer,
  Action,
-  Handler,
  ProgState (..),
  ProgMode (..),
  GameState (..),
@ -53,8 +51,8 @@ module Mtlstats.Types (
  database,
  progMode,
  dbName,
-  editorW,
-  scroller,
+  inputBuffer,
+  scrollOffset,
  -- ** ProgMode Lenses
  gameStateL,
  createPlayerStateL,
@ -197,9 +195,7 @@ module Mtlstats.Types (
  gsAverage
 ) where

-import Brick.Main (ViewportScroll, viewportScroll)
-import Brick.Types (BrickEvent, EventM, Widget)
-import Brick.Widgets.Edit (Editor, editor)
+import Control.Monad.Trans.State (StateT)
 import Data.Aeson
  ( FromJSON
  , ToJSON
@ -217,41 +213,35 @@ import Data.Aeson
 import Data.Char (toUpper)
 import Data.List (find, isInfixOf)
 import qualified Data.Map as M
-import Graphics.Vty.Input.Events (Key, Modifier)
 import Lens.Micro (Lens', lens, (&), (^.), (.~))
 import Lens.Micro.TH (makeLenses)
+import qualified UI.NCurses as C

 import Mtlstats.Config

 -- | Controls the program flow
 data Controller = Controller
-  { drawController :: Renderer
-  -- ^ The drawing routine
-  , handleController :: Handler ()
+  { drawController   :: ProgState -> C.Update C.CursorMode
+  -- ^ The drawing phase
+  , handleController :: C.Event -> Action Bool
  -- ^ The event handler
  }

-- | Renders a view based on a "ProgState"
-type Renderer = ProgState -> Widget ()
-
 -- | Action which maintains program state
-type Action a = EventM () ProgState a
-
-- | Handles an event
-type Handler a = BrickEvent () () -> Action a
+type Action a = StateT ProgState C.Curses a

 -- | Represents the program state
 data ProgState = ProgState
-  { _database :: Database
+  { _database     :: Database
  -- ^ The data to be saved
-  , _progMode :: ProgMode
+  , _progMode     :: ProgMode
  -- ^ The program's mode
-  , _dbName   :: String
+  , _dbName       :: String
  -- ^ The name of the database file
-  , _editorW  :: Editor String ()
-  -- ^ Editor widget
-  , _scroller :: ViewportScroll ()
-  -- ^ Scroller for the reports
+  , _inputBuffer  :: String
+  -- ^ Buffer for user input
+  , _scrollOffset :: Int
+  -- ^ The scrolling offset for the display
  }

 -- | The program mode
@ -542,13 +532,13 @@ data GameStats = GameStats

 -- | Defines a user prompt
 data Prompt = Prompt
-  { drawPrompt        :: ProgState -> Widget ()
+  { promptDrawer      :: ProgState -> C.Update ()
  -- ^ Draws the prompt to the screen
-  , promptProcessChar :: Char -> Editor String () -> Editor String ()
-  -- ^ Modifies an editor based on the character entered
+  , promptProcessChar :: Char -> String -> String
+  -- ^ Modifies the string based on the character entered
  , promptAction      :: String -> Action ()
  -- ^ Action to perform when the value is entered
-  , promptSpecialKey  :: Key -> [Modifier] -> Action ()
+  , promptSpecialKey  :: C.Key -> Action ()
  -- ^ Action to perform when a special key is pressed
  }

@ -564,7 +554,7 @@ data SelectParams a = SelectParams
  -- ^ Search function looking for an exact match
  , spElemDesc     :: a -> String
  -- ^ Provides a string description of an element
-  , spProcessChar  :: Char -> Editor String () -> Editor String ()
+  , spProcessChar  :: Char -> String -> String
  -- ^ Processes a character entered by the user
  , spCallback     :: Maybe Int -> Action ()
  -- ^ The function when the selection is made
@ -796,11 +786,11 @@ esmSubModeL = lens
 -- | Constructor for a 'ProgState'
 newProgState :: ProgState
 newProgState = ProgState
-  { _database = newDatabase
-  , _progMode = TitleScreen
-  , _dbName   = ""
-  , _editorW  = editor () (Just 1) ""
-  , _scroller = viewportScroll ()
+  { _database     = newDatabase
+  , _progMode     = TitleScreen
+  , _dbName       = ""
+  , _inputBuffer  = ""
+  , _scrollOffset = 0
  }

 -- | Constructor for a 'GameState'
--- a/src/Mtlstats/Types/Menu.hs
+++ b/src/Mtlstats/Types/Menu.hs
@ -1,7 +1,7 @@
 {- |

 mtlstats
-Copyright (C) Rhéal Lamothe
+Copyright (C) 1984, 1985, 2019, 2020, 2021 Rhéal Lamothe
 <rheal.lamothe@gmail.com>

 This program is free software: you can redistribute it and/or modify
--- a/src/Mtlstats/Util.hs
+++ b/src/Mtlstats/Util.hs
@ -1,7 +1,7 @@
 {- |

 mtlstats
-Copyright (C) Rhéal Lamothe
+Copyright (C) 1984, 1985, 2019, 2020, 2021 Rhéal Lamothe
 <rheal.lamothe@gmail.com>

 This program is free software: you can redistribute it and/or modify
@ -26,19 +26,10 @@ module Mtlstats.Util
  , updateMap
  , slice
  , capitalizeName
-  , linesToWidget
-  , linesToWidgetC
-  , userText
  ) where

-import Brick.Types (Widget)
-import Brick.Widgets.Center (hCenter)
-import Brick.Widgets.Core (str, vBox)
-import Brick.Widgets.Edit (Editor, editContentsL, getEditContents)
 import Data.Char (isSpace, toUpper)
 import qualified Data.Map as M
-import Data.Text.Zipper (insertChar)
-import Lens.Micro ((^.), (&), (%~), to)

 -- | Attempt to select the element from a list at a given index
 nth
@ -110,14 +101,13 @@ slice offset len = take len . drop offset
 capitalizeName
  :: Char
  -- ^ The character being input
-  -> Editor String ()
+  -> String
  -- ^ The current string
-  -> Editor String ()
+  -> String
  -- ^ The resulting string
-capitalizeName ch e = e & editContentsL %~ insertChar ch'
+capitalizeName ch str = str ++ [ch']
  where
-    s   = e^.to userText
-    ch' = if lockFlag s
+    ch' = if lockFlag str
      then toUpper ch
      else ch
    lockFlag "" = True
@ -128,22 +118,3 @@ capitalizeName ch e = e & editContentsL %~ insertChar ch'
    lockFlag' (c:cs)
      | isSpace c = lockFlag' cs
      | otherwise = False
-
-- | Converts a list of lines to a widget
-linesToWidget :: [String] -> Widget ()
-linesToWidget = vBox . map (str . keepBlank)
-
-- | Converts a list of lines to a widget with each line horizontally
-- centered
-linesToWidgetC :: [String] -> Widget ()
-linesToWidgetC = vBox . map (hCenter . str . keepBlank)
-
-- | Fetches the text from an editor widget
-userText :: Editor String () -> String
-userText w = case getEditContents w of
-  (x:_) -> x
-  []    -> ""
-
-keepBlank :: String -> String
-keepBlank "" = " "
-keepBlank s = s
--- a/stack.yaml
+++ b/stack.yaml
@ -17,7 +17,7 @@
 #
 # resolver: ./custom-snapshot.yaml
 # resolver: https://example.com/snapshots/2018-01-01.yaml
-resolver: lts-20.22
+resolver: lts-14.0

 # User packages to be built.
 # Various formats can be used as shown in the example below.
--- a/stack.yaml.lock
+++ b/stack.yaml.lock
@ -7,13 +7,13 @@ packages:
 - completed:
    hackage: ncurses-0.2.16@sha256:8ad9fe6562a80d28166d76adbac1eb4d40c6511fe4e9272ed6e1166dc2f1cdf1,3575
    pantry-tree:
-      sha256: 093bdc85ed518c81724f5b6b81c24ab4ebdd231551861f4feaa43361136f70b7
      size: 674
+      sha256: 093bdc85ed518c81724f5b6b81c24ab4ebdd231551861f4feaa43361136f70b7
  original:
    hackage: ncurses-0.2.16@sha256:8ad9fe6562a80d28166d76adbac1eb4d40c6511fe4e9272ed6e1166dc2f1cdf1,3575
 snapshots:
 - completed:
-    sha256: dcf4fc28f12d805480ddbe8eb8c370e11db12f0461d0110a4240af27ac88d725
-    size: 650255
-    url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/lts/20/22.yaml
-  original: lts-20.22
+    size: 523443
+    url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/lts/14/0.yaml
+    sha256: 283773e7120f5446d961eab35ea95c9af9c24187cc178537bd29273200a05171
+  original: lts-14.0
--- a/test/Actions/EditStandingsSpec.hs
+++ b/test/Actions/EditStandingsSpec.hs
@ -1,7 +1,7 @@
 {-

 mtlstats
-Copyright (C) Rhéal Lamothe
+Copyright (C) 1984, 1985, 2019, 2020, 2021 Rhéal Lamothe
 <rheal.lamothe@gmail.com>

 This program is free software: you can redistribute it and/or modify
--- a/test/Actions/NewGame/GoalieInputSpec.hs
+++ b/test/Actions/NewGame/GoalieInputSpec.hs
@ -1,7 +1,7 @@
 {-

 mtlstats
-Copyright (C) Rhéal Lamothe
+Copyright (C) 1984, 1985, 2019, 2020, 2021 Rhéal Lamothe
 <rheal.lamothe@gmail.com>

 This program is free software: you can redistribute it and/or modify
@ -215,7 +215,7 @@ setGameGoalieSpec = describe "setGameGoalie" $ mapM_

      let
        ps'          = setGameGoalie goalieId ps
-        (joe', bob') = getFirstTwo $ ps'^.database.dbGoalies
+        [joe', bob'] = ps'^.database.dbGoalies
        gStats'      = ps'^.progMode.gameStateL.gameGoalieStats

      context "Joe" $ joe' `TS.compareTest` expectedJoe
@ -380,7 +380,3 @@ setGameGoalieSpec = describe "setGameGoalie" $ mapM_
    incSO   = gsShutouts %~ succ
    incLoss = gsLosses   %~ succ
    incOT   = gsTies     %~ succ
-
-getFirstTwo :: [a] -> (a, a)
-getFirstTwo (x:y:_) = (x, y)
-getFirstTwo _       = error "insufficient members of list"
--- a/test/Actions/NewGameSpec.hs
+++ b/test/Actions/NewGameSpec.hs
@ -1,7 +1,7 @@
 {-

 mtlstats
-Copyright (C) Rhéal Lamothe
+Copyright (C) 1984, 1985, 2019, 2020, 2021 Rhéal Lamothe
 <rheal.lamothe@gmail.com>

 This program is free software: you can redistribute it and/or modify
--- a/test/ActionsSpec.hs
+++ b/test/ActionsSpec.hs
@ -1,7 +1,7 @@
 {-

 mtlstats
-Copyright (C) Rhéal Lamothe
+Copyright (C) 1984, 1985, 2019, 2020, 2021 Rhéal Lamothe
 <rheal.lamothe@gmail.com>

 This program is free software: you can redistribute it and/or modify
@ -24,7 +24,7 @@ along with this program.  If not, see <https://www.gnu.org/licenses/>.
 module ActionsSpec (spec) where

 import Control.Monad (replicateM)
-import Lens.Micro ((^.), (&), (.~), (?~), (%~), to)
+import Lens.Micro ((^.), (&), (.~), (?~), (%~))
 import Test.Hspec
  ( Spec
  , context
@ -37,11 +37,9 @@ import Test.Hspec

 import Mtlstats.Actions
 import Mtlstats.Types
-import Mtlstats.Util

 import qualified Actions.NewGameSpec as NewGame
 import qualified Actions.EditStandingsSpec as EditStandings
-import SpecHelpers
 import qualified TypesSpec as TS

 spec :: Spec
@ -51,6 +49,8 @@ spec = describe "Mtlstats.Actions" $ do
  resetYtdSpec
  clearRookiesSpec
  resetStandingsSpec
+  addCharSpec
+  removeCharSpec
  createPlayerSpec
  createGoalieSpec
  editSpec
@ -63,6 +63,8 @@ spec = describe "Mtlstats.Actions" $ do
  resetCreatePlayerStateSpec
  resetCreateGoalieStateSpec
  backHomeSpec
+  scrollUpSpec
+  scrollDownSpec
  NewGame.spec
  EditStandings.spec

@ -204,6 +206,29 @@ resetStandingsSpec = describe "resetStandings" $ do
    it "should be reset" $
      ps^.database.dbAwayGameStats `shouldBe` newGameStats

+addCharSpec :: Spec
+addCharSpec = describe "addChar" $
+  it "should add the character to the input buffer" $ let
+    s = newProgState
+      & inputBuffer .~ "foo"
+      & addChar 'd'
+  in s ^. inputBuffer `shouldBe` "food"
+
+removeCharSpec :: Spec
+removeCharSpec = describe "removeChar" $ do
+
+  context "empty" $
+    it "should remove the character from the input buffer" $ let
+      s = removeChar newProgState
+      in s ^. inputBuffer `shouldBe` ""
+
+  context "not empty" $
+    it "should remove the character from the input buffer" $ let
+      s = newProgState
+        & inputBuffer .~ "foo"
+        & removeChar
+      in s ^. inputBuffer `shouldBe` "fo"
+
 createPlayerSpec :: Spec
 createPlayerSpec = describe "createPlayer" $
  it "should change the mode appropriately" $ let
@ -399,7 +424,8 @@ backHomeSpec = describe "backHome" $ do
  let
    input = newProgState
      & progMode.gameStateL .~ newGameState
-      & editorW             .~ mkEditor "foo"
+      & inputBuffer         .~ "foo"
+      & scrollOffset        .~ 123
    result = backHome input

  it "should set the program mode back to MainMenu" $
@ -408,4 +434,34 @@ backHomeSpec = describe "backHome" $ do
      _        -> False

  it "should clear the input buffer" $
-    result^.editorW.to userText `shouldBe` ""
+    result^.inputBuffer `shouldBe` ""
+
+  it "should reset the scroll offset" $
+    result^.scrollOffset `shouldBe` 0
+
+scrollUpSpec :: Spec
+scrollUpSpec = describe "scrollUp" $ do
+
+  context "scrolled down" $
+    it "should decrease the scroll offset by one" $ let
+      ps  = newProgState & scrollOffset .~ 10
+      ps' = scrollUp ps
+      in ps'^.scrollOffset `shouldBe` 9
+
+  context "at top" $
+    it "should keep the scroll offset at zero" $ let
+      ps = scrollUp newProgState
+      in ps^.scrollOffset `shouldBe` 0
+
+  context "above top" $
+    it "should return the scroll offset to zero" $ let
+      ps  = newProgState & scrollOffset .~ (-10)
+      ps' = scrollUp ps
+      in ps'^.scrollOffset `shouldBe` 0
+
+scrollDownSpec :: Spec
+scrollDownSpec = describe "scrollDown" $
+  it "should increase the scroll offset" $ let
+    ps  = newProgState & scrollOffset .~ 10
+    ps' = scrollDown ps
+    in ps'^.scrollOffset `shouldBe` 11
--- a/test/FormatSpec.hs
+++ b/test/FormatSpec.hs
@ -1,7 +1,7 @@
 {-

 mtlstats
-Copyright (C) Rhéal Lamothe
+Copyright (C) 1984, 1985, 2019, 2020, 2021 Rhéal Lamothe
 <rheal.lamothe@gmail.com>

 This program is free software: you can redistribute it and/or modify
--- a/test/HandlersSpec.hs
+++ b/test/HandlersSpec.hs
@ -1,7 +1,7 @@
 {-

 mtlstats
-Copyright (C) Rhéal Lamothe
+Copyright (C) 1984, 1985, 2019, 2020, 2021 Rhéal Lamothe
 <rheal.lamothe@gmail.com>

 This program is free software: you can redistribute it and/or modify
@ -22,9 +22,7 @@ along with this program.  If not, see <https://www.gnu.org/licenses/>.
 module HandlersSpec (spec) where

 import Test.Hspec (Spec, context, describe, it, shouldBe)
-
-import Brick.Types (BrickEvent (VtyEvent))
-import Graphics.Vty.Input.Events (Event (EvKey, EvResize), Key (KChar))
+import qualified UI.NCurses as C

 import Mtlstats.Handlers

@ -39,18 +37,10 @@ ynHandlerSpec = describe "ynHandler" $ mapM_
      it ("should be " ++ show expected) $
        ynHandler event `shouldBe` expected)
  --  description,   event,                expected
-  [ ( "Y pressed",   capitalY,   Just True  )
-  , ( "y pressed",   lowerY,     Just True  )
-  , ( "N pressed",   capitalN,   Just False )
-  , ( "n pressed",   lowerN,     Just False )
-  , ( "x pressed",   lowerX,     Nothing    )
-  , ( "other event", otherEvent, Nothing    )
+  [ ( "Y pressed",   C.EventCharacter 'Y', Just True  )
+  , ( "y pressed",   C.EventCharacter 'y', Just True  )
+  , ( "N pressed",   C.EventCharacter 'N', Just False )
+  , ( "n pressed",   C.EventCharacter 'n', Just False )
+  , ( "x pressed",   C.EventCharacter 'x', Nothing    )
+  , ( "other event", C.EventResized,       Nothing    )
  ]
-  where
-    capitalY   = chE 'Y'
-    lowerY     = chE 'y'
-    capitalN   = chE 'N'
-    lowerN     = chE 'n'
-    lowerX     = chE 'x'
-    otherEvent = VtyEvent $ EvResize 0 0
-    chE c      = VtyEvent $ EvKey (KChar c) []
--- a/test/Helpers/GoalieSpec.hs
+++ b/test/Helpers/GoalieSpec.hs
@ -1,7 +1,7 @@
 {-

 mtlstats
-Copyright (C) Rhéal Lamothe
+Copyright (C) 1984, 1985, 2019, 2020, 2021 Rhéal Lamothe
 <rheal.lamothe@gmail.com>

 This program is free software: you can redistribute it and/or modify
--- a/test/Helpers/PlayerSpec.hs
+++ b/test/Helpers/PlayerSpec.hs
@ -1,7 +1,7 @@
 {-

 mtlstats
-Copyright (C) Rhéal Lamothe
+Copyright (C) 1984, 1985, 2019, 2020, 2021 Rhéal Lamothe
 <rheal.lamothe@gmail.com>

 This program is free software: you can redistribute it and/or modify
--- a/test/Helpers/PositionSpec.hs
+++ b/test/Helpers/PositionSpec.hs
@ -1,7 +1,7 @@
 {-

 mtlstats
-Copyright (C) Rhéal Lamothe
+Copyright (C) 1984, 1985, 2019, 2020, 2021 Rhéal Lamothe
 <rheal.lamothe@gmail.com>

 This program is free software: you can redistribute it and/or modify
--- a/test/HelpersSpec.hs
+++ b/test/HelpersSpec.hs
@ -1,7 +1,7 @@
 {-

 mtlstats
-Copyright (C) Rhéal Lamothe
+Copyright (C) 1984, 1985, 2019, 2020, 2021 Rhéal Lamothe
 <rheal.lamothe@gmail.com>

 This program is free software: you can redistribute it and/or modify
--- a/test/ReportSpec.hs
+++ b/test/ReportSpec.hs
@ -1,7 +1,7 @@
 {-

 mtlstats
-Copyright (C) Rhéal Lamothe
+Copyright (C) 1984, 1985, 2019, 2020, 2021 Rhéal Lamothe
 <rheal.lamothe@gmail.com>

 This program is free software: you can redistribute it and/or modify
--- a/test/Spec.hs
+++ b/test/Spec.hs
@ -1,7 +1,7 @@
 {-

 mtlstats
-Copyright (C) Rhéal Lamothe
+Copyright (C) 1984, 1985, 2019, 2020, 2021 Rhéal Lamothe
 <rheal.lamothe@gmail.com>

 This program is free software: you can redistribute it and/or modify
--- a/test/SpecHelpers.hs
+++ b/test/SpecHelpers.hs
@ -1,29 +0,0 @@
-{-
-
-mtlstats
-Copyright (C) Rhéal Lamothe
-<rheal.lamothe@gmail.com>
-
-This program is free software: you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation, either version 3 of the License, or (at
-your option) any later version.
-
-This program is distributed in the hope that it will be useful, but
-WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program.  If not, see <https://www.gnu.org/licenses/>.
-
-}
-
-module SpecHelpers where
-
-import Brick.Widgets.Edit (Editor, editContentsL, editor)
-import Data.Text.Zipper (gotoEOL)
-import Lens.Micro ((&), (%~))
-
-mkEditor :: String -> Editor String ()
-mkEditor str = editor () (Just 1) str & editContentsL %~ gotoEOL
--- a/test/Types/MenuSpec.hs
+++ b/test/Types/MenuSpec.hs
@ -1,7 +1,7 @@
 {-

 mtlstats
-Copyright (C) Rhéal Lamothe
+Copyright (C) 1984, 1985, 2019, 2020, 2021 Rhéal Lamothe
 <rheal.lamothe@gmail.com>

 This program is free software: you can redistribute it and/or modify
--- a/test/TypesSpec.hs
+++ b/test/TypesSpec.hs
@ -1,7 +1,7 @@
 {-

 mtlstats
-Copyright (C) Rhéal Lamothe
+Copyright (C) 1984, 1985, 2019, 2020, 2021 Rhéal Lamothe
 <rheal.lamothe@gmail.com>

 This program is free software: you can redistribute it and/or modify
@ -34,8 +34,8 @@ import Control.Monad (replicateM)
 import Data.Aeson (FromJSON, ToJSON, decode, encode, toJSON)
 import Data.Aeson.Types (Value (Object))
 import qualified Data.Map.Lazy as M
+import qualified Data.HashMap.Strict as HM
 import Data.Ratio ((%))
-import qualified GHC.Exts as HM
 import Lens.Micro (Lens', (&), (^.), (.~), (?~))
 import System.Random (randomIO, randomRIO)
 import Test.Hspec (Spec, context, describe, it, shouldBe)
--- a/test/UtilSpec.hs
+++ b/test/UtilSpec.hs
@ -1,7 +1,7 @@
 {-

 mtlstats
-Copyright (C) Rhéal Lamothe
+Copyright (C) 1984, 1985, 2019, 2020, 2021 Rhéal Lamothe
 <rheal.lamothe@gmail.com>

 This program is free software: you can redistribute it and/or modify
@ -26,8 +26,6 @@ import Test.Hspec (Spec, context, describe, it, shouldBe)

 import Mtlstats.Util

-import SpecHelpers
-
 spec :: Spec
 spec = describe "Mtlstats.Util" $ do
  nthSpec
@ -116,7 +114,7 @@ capitalizeNameSpec :: Spec
 capitalizeNameSpec = describe "capitalizeName" $ mapM_
  (\(label, ch, str, expected) -> context label $
    it ("should be " ++ expected) $
-      userText (capitalizeName ch $ mkEditor str) `shouldBe` expected)
+      capitalizeName ch str `shouldBe` expected)
  --  label,                        character, string,   expected
  [ ( "initial lower",              'a',       "",       "A"       )
  , ( "initial upper",              'A',       "",       "A"       )
--- a/vagrant/as_user.sh
+++ b/vagrant/as_user.sh
@ -0,0 +1,8 @@
+#!/bin/sh
+
+echo "export PATH=\"$HOME/.local/bin:$PATH\"" >>~vagrant/.bashrc
+mkdir /vagrant/data
+ln -s /vagrant/data ~vagrant/.mtlstats
+
+cd /vagrant
+stack install
--- a/vagrant/provision.sh
+++ b/vagrant/provision.sh
@ -0,0 +1,10 @@
+#!/bin/sh
+
+apt-get update
+apt-get upgrade
+apt-get -y install libghc-ncurses-dev
+wget -qO- https://get.haskellstack.org/ | sh
+
+export HOME=/home/vagrant
+
+sudo -u vagrant /vagrant/vagrant/as_user.sh