Current time in model

app/Main.hs

@@ -10,8 +10,9 @@ import TextShow
 
 import Lib
 
-newtype AppModel = AppModel {
-    _clickCount :: Int
+data AppModel = AppModel {
+    _clickCount :: Int,
+    _curTimeRepresentation :: String
 } deriving (Eq, Show)
 
 data AppEvent = AppInit | AppIncrease deriving (Show, Eq)
@@ -22,9 +23,9 @@ buildUI
   :: WidgetEnv AppModel AppEvent
   -> AppModel
   -> WidgetNode AppModel AppEvent
-buildUI wenv model = widgetTree where
+buildUI _wenv model = widgetTree where
   widgetTree = vstack [
-      label "Hello world",
+      label $ "Cur time: " <> showt (model ^. curTimeRepresentation),
       spacer,
       hstack [
         label $ "Click count: " <> showt (model ^. clickCount),
@@ -39,7 +40,7 @@ handleEvent
   -> AppModel
   -> AppEvent
   -> [AppEventResponse AppModel AppEvent]
-handleEvent wenv node model evt = case evt of
+handleEvent _wenv _node model evt = case evt of
   AppInit -> []
   AppIncrease -> [Model (model & clickCount +~ 1)]
 
@@ -47,12 +48,12 @@ handleEvent wenv node model evt = case evt of
 main :: IO ()
 main = do
     putStrLn "haskell-clock"
-    t <- curTimeString
-    putStrLn t
     guiMain
 
 guiMain :: IO ()
 guiMain = do
+  curTime <- curTimeString
+  let model = AppModel 0 curTime
   startApp model handleEvent buildUI config
   where
     config = [
@@ -62,4 +63,3 @@ guiMain = do
       appFontDef "Regular" "/usr/share/fonts/TTF/FiraCode-Regular.ttf",
       appInitEvent AppInit
       ]
-    model = AppModel 0