2 files changed, 8 insertions, 8 deletions
diff --git a/include/cru/platform/gui/osx/InputMethod.h b/include/cru/platform/gui/osx/InputMethod.h
index 9044a76c..ebb51b3e 100644
--- a/include/cru/platform/gui/osx/InputMethod.h
+++ b/include/cru/platform/gui/osx/InputMethod.h
@@ -42,7 +42,7 @@ class OsxInputMethodContext : public OsxGuiResource,
 
   IEvent<std::nullptr_t>* CompositionEvent() override;
 
-  IEvent<std::string>* TextEvent() override;
+  IEvent<const std::string&>* TextEvent() override;
 
   bool IsEnabled();
 
diff --git a/include/cru/platform/gui/osx/Window.h b/include/cru/platform/gui/osx/Window.h
index f4bda28e..e36f4238 100644
--- a/include/cru/platform/gui/osx/Window.h
+++ b/include/cru/platform/gui/osx/Window.h
@@ -66,16 +66,16 @@ class OsxWindow : public OsxGuiResource, public INativeWindow {
   IEvent<std::nullptr_t>* PaintEvent() override;
 
   IEvent<WindowVisibilityType>* VisibilityChangeEvent() override;
-  IEvent<Size>* ResizeEvent() override;
+  IEvent<const Size&>* ResizeEvent() override;
   IEvent<FocusChangeType>* FocusEvent() override;
 
   IEvent<MouseEnterLeaveType>* MouseEnterLeaveEvent() override;
-  IEvent<Point>* MouseMoveEvent() override;
-  IEvent<NativeMouseButtonEventArgs>* MouseDownEvent() override;
-  IEvent<NativeMouseButtonEventArgs>* MouseUpEvent() override;
-  IEvent<NativeMouseWheelEventArgs>* MouseWheelEvent() override;
-  IEvent<NativeKeyEventArgs>* KeyDownEvent() override;
-  IEvent<NativeKeyEventArgs>* KeyUpEvent() override;
+  IEvent<const Point&>* MouseMoveEvent() override;
+  IEvent<const NativeMouseButtonEventArgs&>* MouseDownEvent() override;
+  IEvent<const NativeMouseButtonEventArgs&>* MouseUpEvent() override;
+  IEvent<const NativeMouseWheelEventArgs&>* MouseWheelEvent() override;
+  IEvent<const NativeKeyEventArgs&>* KeyDownEvent() override;
+  IEvent<const NativeKeyEventArgs&>* KeyUpEvent() override;
 
   IInputMethodContext* GetInputMethodContext() override;