Ready to implement game screen

rust/cli_player/src/ui_screens/game_screen.rs

@@ -0,0 +1,49 @@
+use std::io;
+use std::time::{Duration, Instant};
+
+use crossterm::event;
+use crossterm::event::{Event, KeyCode};
+use tui::backend::Backend;
+use tui::{Frame, Terminal};
+
+use crate::client::Client;
+use crate::constants::*;
+use crate::ui_screens::ScreenResult;
+
+pub struct GameScreen {
+    client: Client,
+}
+
+impl GameScreen {
+    pub fn new(client: Client) -> Self {
+        Self { client }
+    }
+
+    pub async fn show<B: Backend>(
+        mut self,
+        terminal: &mut Terminal<B>,
+    ) -> io::Result<ScreenResult> {
+        let mut last_tick = Instant::now();
+        loop {
+            terminal.draw(|f| self.ui(f))?;
+
+            let timeout = TICK_RATE
+                .checked_sub(last_tick.elapsed())
+                .unwrap_or_else(|| Duration::from_secs(0));
+
+            if crossterm::event::poll(timeout)? {
+                if let Event::Key(key) = event::read()? {
+                    match key.code {
+                        KeyCode::Char('q') => return Ok(ScreenResult::Canceled),
+                        _ => {}
+                    }
+                }
+            }
+            if last_tick.elapsed() >= TICK_RATE {
+                last_tick = Instant::now();
+            }
+        }
+    }
+
+    fn ui<B: Backend>(&mut self, f: &mut Frame<B>) {}
+}