Added basic tray icon.

Cargo.toml

@@ -8,3 +8,4 @@ edition = "2021"
 [dependencies]
 hidapi = "2.3.3"
 thiserror = "1.0.40"
+ksni = "0.2.0"

src/battery_tray.rs

@@ -0,0 +1,45 @@
+use ksni::{Tray, MenuItem, menu::{StandardItem}};
+
+#[derive(Debug)]
+pub struct BatteryTray {
+    battery_level: u8,
+    charging: bool,
+}
+
+impl BatteryTray {
+    pub fn new(battery_level: u8, charging: bool) -> Self {
+        BatteryTray {
+            battery_level,
+            charging,
+        }
+    }
+
+    pub fn refresh(&mut self, battery_level: u8, charging: bool) {
+        self.battery_level = battery_level;
+        self.charging = charging;
+    }
+}
+
+impl Tray for BatteryTray {
+    fn icon_name(&self) -> String {
+        "headset".into()
+    }
+    fn title(&self) -> String {
+        if self.charging {
+            format!("Battery level: {}%\nCharging", self.battery_level).to_string()
+        } else {
+            format!("Battery level: {}%\nNot charging", self.battery_level).to_string()
+        }
+    }
+    fn menu(&self) -> Vec<MenuItem<Self>> {
+        vec![
+            StandardItem {
+                label: "Exit".into(),
+                icon_name: "application-exit".into(),
+                activate: Box::new(|_| std::process::exit(0)),
+                ..Default::default()
+            }
+            .into(),
+        ]
+    }
+}

src/main.rs

@@ -1,4 +1,7 @@
 use hyper_x_cloud_ii_wireless::Device;
+use ksni::TrayService;
+use battery_tray::BatteryTray;
+mod battery_tray;
 
 fn main() {
     let device = match Device::new() {
@@ -21,4 +24,23 @@ fn main() {
     } else {
         println!("Not charging");
     }
+
+    let service = TrayService::new(BatteryTray::new(battery_level, charging));
+    let handle = service.handle();
+    service.spawn();
+
+    // Run loop
+    loop {
+        std::thread::sleep(std::time::Duration::from_secs(1));
+        let (battery_level, charging) = match device.get_battery_level() {
+            Ok(t) => t,
+            Err(error) => {
+                eprintln!("{error}");
+                continue;
+            }
+        };
+        handle.update(|tray: &mut BatteryTray| {
+            tray.refresh(battery_level, charging);
+        });
+    }
 }