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51ce06f613
* Add new Monomer logo and badges to README.md * Fix sub-title styling * Add support for loading any image format to use as application icon * Update Monomer icon image * Update examples and tutorials to use new icon image * Adjust logo background color
71 lines
1.6 KiB
Haskell
71 lines
1.6 KiB
Haskell
{-|
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Module : Tutorial01_Basics
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Copyright : (c) 2018 Francisco Vallarino
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License : BSD-3-Clause (see the LICENSE file)
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Maintainer : fjvallarino@gmail.com
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Stability : experimental
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Portability : non-portable
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Main module for the '01 - Basics' tutorial.
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-}
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{-# LANGUAGE OverloadedStrings #-}
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{-# LANGUAGE TemplateHaskell #-}
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module Tutorial01_Basics where
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import Control.Lens
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import Data.Text (Text)
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import Monomer
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import TextShow
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import qualified Monomer.Lens as L
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newtype AppModel = AppModel {
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_clickCount :: Int
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} deriving (Eq, Show)
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data AppEvent
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= AppInit
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| AppIncrease
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deriving (Eq, Show)
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makeLenses 'AppModel
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buildUI
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:: WidgetEnv AppModel AppEvent
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-> AppModel
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-> WidgetNode AppModel AppEvent
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buildUI wenv model = widgetTree where
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widgetTree = vstack [
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label "Hello world",
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spacer,
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hstack [
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label $ "Click count: " <> showt (model ^. clickCount),
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spacer,
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button "Increase count" AppIncrease
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]
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] `styleBasic` [padding 10]
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handleEvent
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:: WidgetEnv AppModel AppEvent
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-> WidgetNode AppModel AppEvent
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-> AppModel
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-> AppEvent
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-> [AppEventResponse AppModel AppEvent]
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handleEvent wenv node model evt = case evt of
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AppInit -> []
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AppIncrease -> [Model (model & clickCount +~ 1)]
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main01 :: IO ()
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main01 = do
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startApp model handleEvent buildUI config
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where
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config = [
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appWindowTitle "Tutorial 01 - Basics",
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appWindowIcon "./assets/images/icon.png",
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appTheme darkTheme,
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appFontDef "Regular" "./assets/fonts/Roboto-Regular.ttf",
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appInitEvent AppInit
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]
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model = AppModel 0
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