mirror of
https://github.com/jtdaugherty/brick.git
synced 2024-09-11 23:57:22 +03:00
58 lines
1.4 KiB
Haskell
58 lines
1.4 KiB
Haskell
{-# LANGUAGE OverloadedStrings #-}
|
|
module Main where
|
|
|
|
import Data.Monoid
|
|
import Graphics.Vty hiding (translate)
|
|
|
|
import Brick.Main
|
|
import Brick.Widgets.Core
|
|
import Brick.Widgets.Dialog
|
|
import Brick.AttrMap
|
|
import Brick.Util
|
|
import Brick.Types
|
|
|
|
data Choice = Red | Blue | Green
|
|
deriving Show
|
|
|
|
drawUI :: Dialog Choice -> [Widget]
|
|
drawUI d = [ui]
|
|
where
|
|
ui = renderDialog d $ str "This is the dialog body."
|
|
|
|
appEvent :: Dialog Choice -> Event -> EventM (Next (Dialog Choice))
|
|
appEvent d ev =
|
|
case ev of
|
|
EvKey KEsc [] -> halt d
|
|
EvKey KEnter [] -> halt d
|
|
_ -> continue $ handleEvent ev d
|
|
|
|
initialState :: Dialog Choice
|
|
initialState = dialog "dialog" (Just "Title") (Just (0, choices)) 50
|
|
where
|
|
choices = [ ("Red", Red)
|
|
, ("Blue", Blue)
|
|
, ("Green", Green)
|
|
]
|
|
|
|
theMap :: AttrMap
|
|
theMap = attrMap defAttr
|
|
[ (dialogAttr, white `on` blue)
|
|
, (buttonAttr, black `on` white)
|
|
, (buttonSelectedAttr, bg yellow)
|
|
]
|
|
|
|
theApp :: App (Dialog Choice) Event
|
|
theApp =
|
|
App { appDraw = drawUI
|
|
, appChooseCursor = showFirstCursor
|
|
, appHandleEvent = appEvent
|
|
, appStartEvent = return
|
|
, appAttrMap = const theMap
|
|
, appMakeVtyEvent = id
|
|
}
|
|
|
|
main :: IO ()
|
|
main = do
|
|
d <- defaultMain theApp initialState
|
|
putStrLn $ "You chose: " <> show (dialogSelection d)
|