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https://github.com/jtdaugherty/brick.git
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96 lines
2.5 KiB
Haskell
96 lines
2.5 KiB
Haskell
{-# LANGUAGE OverloadedStrings #-}
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module Main where
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import Control.Applicative ((<$>))
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import Data.Monoid
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import qualified Data.Text as T
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import qualified Graphics.Vty as V
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import qualified Brick.Main as M
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import Brick.Util (fg, bg, on)
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import qualified Brick.AttrMap as A
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import Brick.Widgets.Core
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( Widget
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, (<=>)
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, (<+>)
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, vLimit
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, hLimit
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, hBox
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, updateAttrMap
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, withBorderStyle
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, txt
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)
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import qualified Brick.Widgets.Center as C
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import qualified Brick.Widgets.Border as B
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import qualified Brick.Widgets.Border.Style as BS
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styles :: [(T.Text, BS.BorderStyle)]
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styles =
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[ ("ascii", BS.ascii)
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, ("unicode", BS.unicode)
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, ("unicode bold", BS.unicodeBold)
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, ("unicode rounded", BS.unicodeRounded)
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, ("custom", custom)
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, ("from 'x'", BS.borderStyleFromChar 'x')
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]
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custom :: BS.BorderStyle
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custom =
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BS.BorderStyle { BS.bsCornerTL = '/'
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, BS.bsCornerTR = '\\'
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, BS.bsCornerBR = '/'
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, BS.bsCornerBL = '\\'
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, BS.bsIntersectionFull = '.'
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, BS.bsIntersectionL = '.'
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, BS.bsIntersectionR = '.'
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, BS.bsIntersectionT = '.'
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, BS.bsIntersectionB = '.'
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, BS.bsHorizontal = '*'
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, BS.bsVertical = '!'
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}
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borderDemos :: [Widget]
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borderDemos = mkBorderDemo <$> styles
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mkBorderDemo :: (T.Text, BS.BorderStyle) -> Widget
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mkBorderDemo (styleName, sty) =
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withBorderStyle sty $
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B.borderWithLabel "label" $
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vLimit 5 $
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C.vCenter $
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txt $ " " <> styleName <> " style "
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borderMappings :: [(A.AttrName, V.Attr)]
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borderMappings =
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[ (B.borderAttr, V.yellow `on` V.black)
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, (B.vBorderAttr, V.green `on` V.red)
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, (B.hBorderAttr, V.white `on` V.green)
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, (B.hBorderLabelAttr, fg V.blue)
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, (B.tlCornerAttr, bg V.red)
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, (B.trCornerAttr, bg V.blue)
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, (B.blCornerAttr, bg V.yellow)
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, (B.brCornerAttr, bg V.green)
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]
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colorDemo :: Widget
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colorDemo =
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updateAttrMap (A.applyAttrMappings borderMappings) $
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B.borderWithLabel "title" $
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hLimit 20 $
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vLimit 5 $
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C.center $
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"colors!"
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ui :: Widget
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ui =
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hBox borderDemos
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<=> B.hBorder
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<=> colorDemo
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<=> B.hBorderWithLabel "horizontal border label"
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<=> (C.center "Left of vertical border"
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<+> B.vBorder
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<+> C.center "Right of vertical border")
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main :: IO ()
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main = M.simpleMain ui
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