Persist app state (#21)

src/widgets/countdown.rs

@@ -8,10 +8,9 @@ use ratatui::{
 use std::cmp::max;
 
 use crate::{
-    args::ClockStyle,
     events::{Event, EventHandler},
     utils::center,
-    widgets::clock::{self, Clock, ClockWidget},
+    widgets::clock::{self, Clock, ClockWidget, Style},
 };
 
 #[derive(Debug, Clone)]
@@ -24,13 +23,17 @@ impl Countdown {
         Self { clock }
     }
 
-    pub fn set_style(&mut self, style: ClockStyle) {
+    pub fn set_style(&mut self, style: Style) {
         self.clock.style = style;
     }
 
     pub fn set_with_decis(&mut self, with_decis: bool) {
         self.clock.with_decis = with_decis;
     }
+
+    pub fn get_clock(&self) -> &Clock<clock::Countdown> {
+        &self.clock
+    }
 }
 
 impl EventHandler for Countdown {