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50 lines
1.1 KiB
Haskell
50 lines
1.1 KiB
Haskell
{-# LANGUAGE OverloadedStrings #-}
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module Main where
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import Control.Lens
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import Data.Monoid
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import Graphics.Vty hiding (translate)
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import Brick.Main
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import Brick.Core
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import Brick.Widgets.Core
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import Brick.Widgets.Center
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import Brick.Widgets.Edit
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import Brick.AttrMap
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import Brick.Util
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drawUI :: Editor -> [Widget]
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drawUI e = [ui]
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where
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ui = center $ "Input: " <+> (hLimit 30 $ renderEditor e)
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appEvent :: Editor -> Event -> EventM (Next Editor)
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appEvent e ev =
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case ev of
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EvKey KEsc [] -> halt e
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EvKey KEnter [] -> halt e
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_ -> continue $ handleEvent ev e
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initialState :: Editor
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initialState = editor (Name "edit") str ""
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theMap :: AttrMap
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theMap = attrMap defAttr
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[ (editAttr, white `on` blue)
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]
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theApp :: App Editor Event
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theApp =
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App { appDraw = drawUI
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, appChooseCursor = showFirstCursor
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, appHandleEvent = appEvent
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, appStartEvent = return
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, appAttrMap = const theMap
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, appMakeVtyEvent = id
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}
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main :: IO ()
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main = do
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e <- defaultMain theApp initialState
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putStrLn $ "You entered: " <> (e^.editContentsL)
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