1 files changed, 178 insertions, 0 deletions
diff --git a/include/cru/win/gui/Window.hpp b/include/cru/win/gui/Window.hpp
new file mode 100644
index 00000000..3ba9ef68
--- /dev/null
+++ b/include/cru/win/gui/Window.hpp
@@ -0,0 +1,178 @@
+#pragma once
+#include "Resource.hpp"
+
+#include "WindowNativeMessageEventArgs.hpp"
+#include "cru/platform/GraphBase.hpp"
+#include "cru/platform/gui/Base.hpp"
+#include "cru/platform/gui/Window.hpp"
+#include "cru/win/graphics/direct/WindowRenderTarget.hpp"
+
+#include <memory>
+
+namespace cru::platform::gui::win {
+class WinNativeWindow : public WinNativeResource, public virtual INativeWindow {
+  CRU_DEFINE_CLASS_LOG_TAG(u"cru::platform::gui::win::WinNativeWindow")
+
+ public:
+  WinNativeWindow(WinUiApplication* application, WindowClass* window_class,
+                  DWORD window_style, WinNativeWindow* parent);
+
+  CRU_DELETE_COPY(WinNativeWindow)
+  CRU_DELETE_MOVE(WinNativeWindow)
+
+  ~WinNativeWindow() override;
+
+ public:
+  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;
+
+  Point GetMousePosition() override;
+
+  bool CaptureMouse() override;
+  bool ReleaseMouse() override;
+
+  void RequestRepaint() override;
+  std::unique_ptr<graphics::IPainter> BeginPaint() override;
+
+  void SetCursor(std::shared_ptr<ICursor> cursor) 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<platform::gui::NativeMouseButtonEventArgs>* MouseDownEvent()
+      override {
+    return &mouse_down_event_;
+  }
+  IEvent<platform::gui::NativeMouseButtonEventArgs>* MouseUpEvent()
+      override {
+    return &mouse_up_event_;
+  }
+  IEvent<platform::gui::NativeKeyEventArgs>* KeyDownEvent() override {
+    return &key_down_event_;
+  }
+  IEvent<platform::gui::NativeKeyEventArgs>* KeyUpEvent() override {
+    return &key_up_event_;
+  }
+
+  IEvent<WindowNativeMessageEventArgs&>* NativeMessageEvent() {
+    return &native_message_event_;
+  }
+
+  IInputMethodContext* GetInputMethodContext() override;
+
+  // 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);
+
+  graphics::win::direct::D2DWindowRenderTarget* GetWindowRenderTarget() const {
+    return window_render_target_.get();
+  }
+
+  //*************** region: dpi ***************
+  float GetDpi() const { return dpi_; }
+
+  inline int DipToPixel(const float dip) {
+    return static_cast<int>(dip * GetDpi() / 96.0f);
+  }
+
+  inline POINT DipToPixel(const Point& dip_point) {
+    POINT result;
+    result.x = DipToPixel(dip_point.x);
+    result.y = DipToPixel(dip_point.y);
+    return result;
+  }
+
+  inline float PixelToDip(const int pixel) {
+    return static_cast<float>(pixel) * 96.0f / GetDpi();
+  }
+
+  inline Point PixelToDip(const POINT& pi_point) {
+    return Point(PixelToDip(pi_point.x), PixelToDip(pi_point.y));
+  }
+
+ 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::gui::MouseButton button, POINT point);
+  void OnMouseUpInternal(platform::gui::MouseButton button, POINT point);
+
+  void OnMouseWheelInternal(short delta, POINT point);
+  void OnKeyDownInternal(int virtual_code);
+  void OnKeyUpInternal(int virtual_code);
+
+  void OnActivatedInternal();
+  void OnDeactivatedInternal();
+
+ private:
+  WinUiApplication* application_;
+
+  // when delete is called first, it set this to true to indicate
+  // destroy message handler not to double delete this instance;
+  // when destroy handler is called first (by user action or method
+  // Close), it set this to true to indicate delete not call Close
+  // again.
+  bool sync_flag_ = false;
+
+  HWND hwnd_;
+  WinNativeWindow* parent_window_;
+
+  float dpi_;
+
+  bool has_focus_ = false;
+  bool is_mouse_in_ = false;
+
+  std::unique_ptr<graphics::win::direct::D2DWindowRenderTarget>
+      window_render_target_;
+
+  std::shared_ptr<WinCursor> cursor_;
+
+  std::unique_ptr<WinInputMethodContext> input_method_context_;
+
+  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<platform::gui::NativeMouseButtonEventArgs> mouse_down_event_;
+  Event<platform::gui::NativeMouseButtonEventArgs> mouse_up_event_;
+  Event<platform::gui::NativeKeyEventArgs> key_down_event_;
+  Event<platform::gui::NativeKeyEventArgs> key_up_event_;
+
+  Event<WindowNativeMessageEventArgs&> native_message_event_;
+};
+}  // namespace cru::platform::gui::win