1 files changed, 138 insertions, 0 deletions
diff --git a/include/cru/win/native/native_window.hpp b/include/cru/win/native/native_window.hpp
new file mode 100644
index 00000000..ed678591
--- /dev/null
+++ b/include/cru/win/native/native_window.hpp
@@ -0,0 +1,138 @@
+#pragma once
+#include "../win_pre_config.hpp"
+
+#include "cru/platform/native/native_window.hpp"
+#include "platform_id.hpp"
+#include "window_native_message_event_args.hpp"
+
+#include <memory>
+
+namespace cru::platform::native::win {
+class WinUiApplication;
+class WindowClass;
+class WindowManager;
+class WindowRenderTarget;
+
+class WinNativeWindow : public NativeWindow {
+ public:
+  WinNativeWindow(WinUiApplication* application,
+                  std::shared_ptr<WindowClass> window_class, DWORD window_style,
+                  WinNativeWindow* parent);
+  WinNativeWindow(const WinNativeWindow& other) = delete;
+  WinNativeWindow(WinNativeWindow&& other) = delete;
+  WinNativeWindow& operator=(const WinNativeWindow& other) = delete;
+  WinNativeWindow& operator=(WinNativeWindow&& other) = delete;
+  ~WinNativeWindow() override;
+
+  CRU_PLATFORMID_IMPLEMENT_WIN
+
+ public:
+  bool IsValid() override;
+  void SetDeleteThisOnDestroy(bool value) override;
+
+  void Close() override;
+
+  WinNativeWindow* GetParent() override { return parent_window_; }
+
+  bool IsVisible() override;
+  void SetVisible(bool is_visible) override;
+
+  Size GetClientSize() override;
+  void SetClientSize(const Size& size) override;
+
+  // Get the rect of the window containing frame.
+  // The lefttop of the rect is relative to screen lefttop.
+  Rect GetWindowRect() override;
+
+  // Set the rect of the window containing frame.
+  // The lefttop of the rect is relative to screen lefttop.
+  void SetWindowRect(const Rect& rect) override;
+
+  graph::Painter* BeginPaint() 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<bool>* FocusEvent() override { return &focus_event_; }
+  IEvent<bool>* MouseEnterLeaveEvent() override {
+    return &mouse_enter_leave_event_;
+  }
+  IEvent<Point>* MouseMoveEvent() override { return &mouse_move_event_; }
+  IEvent<platform::native::NativeMouseButtonEventArgs>* MouseDownEvent()
+      override {
+    return &mouse_down_event_;
+  }
+  IEvent<platform::native::NativeMouseButtonEventArgs>* MouseUpEvent()
+      override {
+    return &mouse_up_event_;
+  }
+  IEvent<int>* KeyDownEvent() override { return &key_down_event_; }
+  IEvent<int>* KeyUpEvent() override { return &key_up_event_; }
+
+  IEvent<WindowNativeMessageEventArgs&>* NativeMessageEvent() {
+    return &native_message_event_;
+  }
+
+  // Get the handle of the window. Return null if window is invalid.
+  HWND GetWindowHandle() const { return hwnd_; }
+
+  bool HandleNativeWindowMessage(HWND hwnd, UINT msg, WPARAM w_param,
+                                 LPARAM l_param, LRESULT* result);
+
+  WindowRenderTarget* GetWindowRenderTarget() const {
+    return window_render_target_.get();
+  }
+
+ private:
+  // Get the client rect in pixel.
+  RECT GetClientRectPixel();
+
+  //*************** region: native messages ***************
+
+  void OnDestroyInternal();
+  void OnPaintInternal();
+  void OnResizeInternal(int new_width, int new_height);
+
+  void OnSetFocusInternal();
+  void OnKillFocusInternal();
+
+  void OnMouseMoveInternal(POINT point);
+  void OnMouseLeaveInternal();
+  void OnMouseDownInternal(platform::native::MouseButton button, POINT point);
+  void OnMouseUpInternal(platform::native::MouseButton button, POINT point);
+
+  void OnMouseWheelInternal(short delta, POINT point);
+  void OnKeyDownInternal(int virtual_code);
+  void OnKeyUpInternal(int virtual_code);
+  void OnCharInternal(wchar_t c);
+
+  void OnActivatedInternal();
+  void OnDeactivatedInternal();
+
+ private:
+  WinUiApplication* application_;
+
+  bool delete_this_on_destroy_ = true;
+
+  HWND hwnd_;
+  WinNativeWindow* parent_window_;
+
+  bool has_focus_ = false;
+  bool is_mouse_in_ = false;
+
+  std::shared_ptr<WindowRenderTarget> window_render_target_;
+
+  Event<std::nullptr_t> destroy_event_;
+  Event<std::nullptr_t> paint_event_;
+  Event<Size> resize_event_;
+  Event<bool> focus_event_;
+  Event<bool> mouse_enter_leave_event_;
+  Event<Point> mouse_move_event_;
+  Event<platform::native::NativeMouseButtonEventArgs> mouse_down_event_;
+  Event<platform::native::NativeMouseButtonEventArgs> mouse_up_event_;
+  Event<int> key_down_event_;
+  Event<int> key_up_event_;
+
+  Event<WindowNativeMessageEventArgs&> native_message_event_;
+};
+}  // namespace cru::platform::native::win