Base working commit with a UI thread (Tokio), Network thread (Tokio), and an input events thread (std).

src/ui/mod.rs

@@ -0,0 +1,31 @@
+use tui::backend::Backend;
+use tui::Frame;
+use tui::layout::{Constraint, Direction, Layout};
+use tui::style::{Color, Style};
+use tui::widgets::{Block, Borders, Gauge};
+
+use crate::app::App;
+use crate::app::radarr::RadarrData;
+
+pub fn ui<B: Backend>(f: &mut Frame<B>, app: &App) {
+    let RadarrData { free_space, total_space } = app.data.radarr_data;
+    let ratio = if total_space == 0 {
+        0f64
+    } else {
+        1f64 - (free_space as f64 / total_space as f64)
+    };
+
+    let chunks = Layout::default()
+        .direction(Direction::Vertical)
+        .constraints([Constraint::Length(3), Constraint::Min(0)].as_ref())
+        .split(f.size());
+
+    let gauge = Gauge::default()
+        .block(Block::default()
+            .title("Free Space")
+            .borders(Borders::ALL))
+        .gauge_style(Style::default().fg(Color::Cyan))
+        .ratio(ratio);
+
+    f.render_widget(gauge, chunks[0]);
+}