brick/programs/CroppingDemo.hs
2022-07-22 16:07:00 -07:00

62 lines
1.6 KiB
Haskell

{-# LANGUAGE OverloadedStrings #-}
module Main where
import Brick.Main (App(..), neverShowCursor, resizeOrQuit, defaultMain)
import Brick.Types
( Widget
)
import Brick.Widgets.Core
( vBox
, hBox
, txt
, (<=>)
, padRight
, cropLeftBy
, cropRightBy
, cropTopBy
, cropBottomBy
, cropLeftTo
, cropRightTo
, cropTopTo
, cropBottomTo
, Padding(..)
)
import Brick.Widgets.Border (border)
import Brick.AttrMap (attrMap)
import qualified Graphics.Vty as V
example :: Widget n
example =
border $
(txt "Example" <=> txt "Widget")
mkExample :: Widget n -> Widget n
mkExample = padRight (Pad 2)
ui :: Widget ()
ui =
vBox [ txt "Uncropped" <=> example
, hBox [ mkExample $ txt "cropLeftBy 2" <=> cropLeftBy 2 example
, mkExample $ txt "cropRightBy 2" <=> cropRightBy 2 example
, mkExample $ txt "cropTopBy 2" <=> cropTopBy 2 example
, mkExample $ txt "cropBottomBy 2" <=> cropBottomBy 2 example
]
, hBox [ mkExample $ txt "cropLeftTo 4" <=> cropLeftTo 4 example
, mkExample $ txt "cropRightTo 4" <=> cropRightTo 4 example
, mkExample $ txt "cropTopTo 1" <=> cropTopTo 1 example
, mkExample $ txt "cropBottomTo 1" <=> cropBottomTo 1 example
]
]
app :: App () e ()
app =
App { appDraw = const [ui]
, appHandleEvent = resizeOrQuit
, appStartEvent = return ()
, appAttrMap = const $ attrMap V.defAttr []
, appChooseCursor = neverShowCursor
}
main :: IO ()
main = defaultMain app ()