From 6315e654ce0be2d2cc148e9ff80f611ac1176348 Mon Sep 17 00:00:00 2001
From: Yuqian Yang <crupest@crupest.life>
Date: Thu, 6 Nov 2025 17:27:10 +0800
Subject: Refactor Event.

---
 src/platform/gui/sdl/Window.cpp | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

(limited to 'src/platform/gui/sdl/Window.cpp')

diff --git a/src/platform/gui/sdl/Window.cpp b/src/platform/gui/sdl/Window.cpp
index 1c2d53bc..e0898cb1 100644
--- a/src/platform/gui/sdl/Window.cpp
+++ b/src/platform/gui/sdl/Window.cpp
@@ -132,7 +132,7 @@ IEvent<WindowVisibilityType> *SdlWindow::VisibilityChangeEvent() {
   return &visibility_change_event_;
 }
 
-IEvent<Size> *SdlWindow::ResizeEvent() { return &resize_event_; }
+IEvent<const Size&> *SdlWindow::ResizeEvent() { return &resize_event_; }
 
 IEvent<FocusChangeType> *SdlWindow::FocusEvent() { return &focus_event_; }
 
@@ -140,25 +140,25 @@ IEvent<MouseEnterLeaveType> *SdlWindow::MouseEnterLeaveEvent() {
   return &mouse_enter_leave_event_;
 }
 
-IEvent<Point> *SdlWindow::MouseMoveEvent() { return &mouse_move_event_; }
+IEvent<const Point&> *SdlWindow::MouseMoveEvent() { return &mouse_move_event_; }
 
-IEvent<NativeMouseButtonEventArgs> *SdlWindow::MouseDownEvent() {
+IEvent<const NativeMouseButtonEventArgs&> *SdlWindow::MouseDownEvent() {
   return &mouse_down_event_;
 }
 
-IEvent<NativeMouseButtonEventArgs> *SdlWindow::MouseUpEvent() {
+IEvent<const NativeMouseButtonEventArgs&> *SdlWindow::MouseUpEvent() {
   return &mouse_up_event_;
 }
 
-IEvent<NativeMouseWheelEventArgs> *SdlWindow::MouseWheelEvent() {
+IEvent<const NativeMouseWheelEventArgs&> *SdlWindow::MouseWheelEvent() {
   return &mouse_wheel_event_;
 }
 
-IEvent<NativeKeyEventArgs> *SdlWindow::KeyDownEvent() {
+IEvent<const NativeKeyEventArgs&> *SdlWindow::KeyDownEvent() {
   return &key_down_event_;
 }
 
-IEvent<NativeKeyEventArgs> *SdlWindow::KeyUpEvent() { return &key_up_event_; }
+IEvent<const NativeKeyEventArgs&> *SdlWindow::KeyUpEvent() { return &key_up_event_; }
 
 IInputMethodContext *SdlWindow::GetInputMethodContext() { NotImplemented(); }
 
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