Merge pull request #3001 from csmoe/window-event-scale-change

feat: add window::Event::ScaleFactorChanged

core/src/window/event.rs

@@ -28,6 +28,9 @@ pub enum Event {
     /// A window was resized.
     Resized(Size),
 
+    /// A window changed its scale factor.
+    Rescaled(f32),
+
     /// A window redraw was requested.
     ///
     /// The [`Instant`] contains the current time.

winit/src/conversion.rs

@@ -331,6 +331,9 @@ pub fn window_event(
 
             Some(Event::Window(window::Event::Moved(Point::new(x, y))))
         }
+        WindowEvent::ScaleFactorChanged { scale_factor, .. } => {
+            Some(Event::Window(window::Event::Rescaled(scale_factor as f32)))
+        }
         _ => None,
     }
 }