sovereignty over app lifecycle

src-tauri/src/services/mod.rs

@@ -0,0 +1 @@
+pub mod overlay;

src-tauri/src/services/overlay.rs

@@ -0,0 +1,25 @@
+use crate::get_app_handle;
+
+pub static SCENE_WINDOW_LABEL: &str = "scene";
+
+pub fn overlay_fullscreen(window: &tauri::Window) -> Result<(), tauri::Error> {
+    // Get the primary monitor
+    let monitor = get_app_handle().primary_monitor()?.unwrap();
+
+    // Get the work area (usable space, excluding menu bar/dock/notch)
+    let work_area = monitor.work_area();
+
+    // Set window position to top-left of the work area
+    window.set_position(tauri::PhysicalPosition {
+        x: work_area.position.x,
+        y: work_area.position.y,
+    })?;
+
+    // Set window size to match work area size
+    window.set_size(tauri::PhysicalSize {
+        width: work_area.size.width,
+        height: work_area.size.height,
+    })?;
+
+    Ok(())
+}