Update Monado IPC, display brightness slider

wlx-overlay-s/Cargo.toml

@@ -57,7 +57,7 @@ interprocess = { version = "2.2.3" }
 json = { version = "0.12.4", optional = true }
 json5 = "1.3.0"
 libc = "0.2.178"
-libmonado = { version = "1.3.2", optional = true }
+libmonado = { git = "https://github.com/technobaboo/libmonado-rs.git", rev = "26292e5b14663ee2f089f66f0851438a0c00ee67", optional = true }
 log-panics = { version = "2.1.0", features = ["with-backtrace"] }
 mint = "0.5.9"
 openxr = { git = "https://github.com/Ralith/openxrs", rev = "d0afdd3365bc1e14de28f6a3a21f457e788a702e", features = [

wlx-overlay-s/src/overlays/dashboard.rs

@@ -487,10 +487,37 @@ impl DashInterface<AppState> for DashInterfaceLive {
         app.monado_init();
         Ok(())
     }
+
+    fn monado_brightness_get(&mut self, app: &mut AppState) -> Option<f32> {
+        let Some(monado) = &mut app.monado else {
+            return None;
+        };
+
+        monado_get_brightness(monado)
+    }
+
+    fn monado_brightness_set(&mut self, app: &mut AppState, brightness: f32) -> Option<()> {
+        let Some(monado) = &mut app.monado else {
+            return None;
+        };
+
+        monado_set_brightness(monado, brightness).ok()
+    }
 }
 
 const CLIENT_NAME_BLACKLIST: [&str; 2] = ["wlx-overlay-s", "libmonado"];
 
+fn monado_get_brightness(monado: &mut libmonado::Monado) -> Option<f32> {
+    let device = monado.device_from_role(libmonado::DeviceRole::Head).ok()?;
+    device.brightness().ok()
+}
+
+fn monado_set_brightness(monado: &mut libmonado::Monado, brightness: f32) -> anyhow::Result<()> {
+    let device = monado.device_from_role(libmonado::DeviceRole::Head)?;
+    device.set_brightness(brightness, false)?;
+    Ok(())
+}
+
 fn monado_list_clients_filtered(
     monado: &mut libmonado::Monado,
 ) -> anyhow::Result<Vec<libmonado::Client<'_>>> {