haskell-clock/app/Main.hs
2023-03-01 10:04:30 -08:00

66 lines
1.4 KiB
Haskell

{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE TemplateHaskell #-}
module Main (main) where
import Control.Lens
import Monomer
import TextShow
import Lib
data AppModel = AppModel {
_clickCount :: Int,
_curTimeRepresentation :: String
} deriving (Eq, Show)
data AppEvent = AppInit | AppIncrease deriving (Show, Eq)
makeLenses 'AppModel
buildUI
:: WidgetEnv AppModel AppEvent
-> AppModel
-> WidgetNode AppModel AppEvent
buildUI _wenv model = widgetTree where
widgetTree = vstack [
label $ "Cur time: " <> showt (model ^. curTimeRepresentation),
spacer,
hstack [
label $ "Click count: " <> showt (model ^. clickCount),
spacer,
button "Increase count" AppIncrease
]
] `styleBasic` [padding 10]
handleEvent
:: WidgetEnv AppModel AppEvent
-> WidgetNode AppModel AppEvent
-> AppModel
-> AppEvent
-> [AppEventResponse AppModel AppEvent]
handleEvent _wenv _node model evt = case evt of
AppInit -> []
AppIncrease -> [Model (model & clickCount +~ 1)]
main :: IO ()
main = do
putStrLn "haskell-clock"
guiMain
guiMain :: IO ()
guiMain = do
curTime <- curTimeString
let model = AppModel 0 curTime
startApp model handleEvent buildUI config
where
config = [
appWindowTitle "Haskell Clock",
--appWindowIcon "./assets/images/icon.png",
appTheme darkTheme,
appFontDef "Regular" "/usr/share/fonts/TTF/FiraCode-Regular.ttf",
appInitEvent AppInit
]