From 08833937da98a7119195f980e82762becb563e28 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Sun, 3 Oct 2021 13:48:15 +0800
Subject: ...

---
 include/cru/osx/gui/Window.hpp | 44 +++++++++++++++++++++++++++++++-----------
 src/osx/gui/Window.mm          | 20 +++++++++++++++++++
 2 files changed, 53 insertions(+), 11 deletions(-)

diff --git a/include/cru/osx/gui/Window.hpp b/include/cru/osx/gui/Window.hpp
index 6bb6b747..a247c79e 100644
--- a/include/cru/osx/gui/Window.hpp
+++ b/include/cru/osx/gui/Window.hpp
@@ -49,17 +49,27 @@ class OsxWindow : public OsxGuiResource, public INativeWindow {
 
   std::unique_ptr<graphics::IPainter> BeginPaint() override;
 
-  IEvent<std::nullptr_t>* DestroyEvent() override;
-  IEvent<std::nullptr_t>* PaintEvent() override;
-  IEvent<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<std::nullptr_t>* DestroyEvent() override { return &destroy_event_; }
+  IEvent<std::nullptr_t>* PaintEvent() override { return &paint_event_; }
+  IEvent<Size>* ResizeEvent() override { return &resize_event_; }
+  IEvent<FocusChangeType>* FocusEvent() override { return &focus_event_; }
+  IEvent<MouseEnterLeaveType>* MouseEnterLeaveEvent() override {
+    return &mouse_enter_leave_event_;
+  }
+  IEvent<Point>* MouseMoveEvent() override { return &mouse_move_event_; }
+  IEvent<NativeMouseButtonEventArgs>* MouseDownEvent() override {
+    return &mouse_down_event_;
+  }
+  IEvent<NativeMouseButtonEventArgs>* MouseUpEvent() override {
+    return &mouse_up_event_;
+  }
+  IEvent<NativeMouseWheelEventArgs>* MouseWheelEvent() override {
+    return &mouse_wheel_event_;
+  }
+  IEvent<NativeKeyEventArgs>* KeyDownEvent() override {
+    return &key_down_event_;
+  }
+  IEvent<NativeKeyEventArgs>* KeyUpEvent() override { return &key_up_event_; }
 
   IInputMethodContext* GetInputMethodContext() override;
 
@@ -68,5 +78,17 @@ class OsxWindow : public OsxGuiResource, public INativeWindow {
 
  private:
   std::unique_ptr<details::OsxWindowPrivate> p_;
+
+  Event<std::nullptr_t> destroy_event_;
+  Event<std::nullptr_t> paint_event_;
+  Event<Size> resize_event_;
+  Event<FocusChangeType> focus_event_;
+  Event<MouseEnterLeaveType> mouse_enter_leave_event_;
+  Event<Point> mouse_move_event_;
+  Event<NativeMouseButtonEventArgs> mouse_down_event_;
+  Event<NativeMouseButtonEventArgs> mouse_up_event_;
+  Event<NativeMouseWheelEventArgs> mouse_wheel_event_;
+  Event<NativeKeyEventArgs> key_down_event_;
+  Event<NativeKeyEventArgs> key_up_event_;
 };
 }  // namespace cru::platform::gui::osx
diff --git a/src/osx/gui/Window.mm b/src/osx/gui/Window.mm
index 239e175a..3ff94f68 100644
--- a/src/osx/gui/Window.mm
+++ b/src/osx/gui/Window.mm
@@ -7,6 +7,13 @@
 #include <AppKit/NSWindow.h>
 #include <memory>
 
+@interface WindowDelegate : NSObject <NSWindowDelegate>
+- (void)windowWillClose:(NSNotification*)notification;
+- (void)windowDidExpose:(NSNotification*)notification;
+- (void)windowDidUpdate:(NSNotification*)notification;
+- (void)windowDidResize:(NSNotification*)notification;
+@end
+
 namespace cru::platform::gui::osx {
 namespace details {
 class OsxWindowPrivate {
@@ -20,6 +27,12 @@ class OsxWindowPrivate {
 
   ~OsxWindowPrivate() = default;
 
+ public:
+  void OnWindowWillClose();
+  void OnWindowDidExpose();
+  void OnWindowDidUpdate();
+  void OnWindowDidResize();
+
  private:
   OsxWindow* osx_window_;
 
@@ -30,6 +43,13 @@ class OsxWindowPrivate {
 
   NSWindow* window_;
 };
+
+void OsxWindowPrivate::OnWindowWillClose() { osx_window_->destroy_event_.Raise(nullptr); }
+void OsxWindowPrivate::OnWindowDidExpose() { [window_ update]; }
+void OsxWindowPrivate::OnWindowDidUpdate() { osx_window_->paint_event_.Raise(nullptr); }
+void OsxWindowPrivate::OnWindowDidResize() {
+  osx_window_->resize_event_.Raise(osx_window_->GetClientSize());
+}
 }
 
 namespace {
-- 
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