WindowBehavior::initialized

CHANGELOG.md

@@ -39,6 +39,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   area of the window.
 - `App::prevent_shutdown()` returns a guard that prevents the application from
   closing automatically when the final window is closed.
+- `WindowBehavior::initialized` is invoked once the window has been fully
+  initialized.
 
 ## v0.10.0 (2024-08-20)
 

src/app.rs

@@ -509,6 +509,10 @@ where
         NonZeroU32::new(4).assert("4 is less than u32::MAX")
     }
 
+    /// Executed once after the window has been fully initialized.
+    #[allow(unused_variables)]
+    fn initialized(&mut self, window: Window<'_, WindowEvent>, kludgine: &mut Kludgine) {}
+
     /// Prepare the window to render.
     ///
     /// This is called directly before [`render()`](Self::render()) and is a
@@ -1299,6 +1303,17 @@ where
         }
     }
 
+    fn initialized(&mut self, window: &mut RunningWindow<AppEvent<User>>) {
+        self.behavior.initialized(
+            Window::new(
+                window,
+                self.last_render.elapsed(),
+                self.last_render_duration,
+            ),
+            &mut self.kludgine,
+        );
+    }
+
     fn redraw(&mut self, window: &mut RunningWindow<AppEvent<User>>) {
         if self.config.width > 0 && self.config.height > 0 {
             let Some(surface) = self.current_surface_texture(window) else {