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#pragma once
#include "Resource.hpp"
#include "WindowNativeMessageEventArgs.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 CRU_WIN_GUI_API WinNativeWindow : public WinNativeResource,
public virtual INativeWindow {
CRU_DEFINE_CLASS_LOG_TAG(u"cru::platform::gui::win::WinNativeWindow")
public:
explicit WinNativeWindow(WinUiApplication* application);
CRU_DELETE_COPY(WinNativeWindow)
CRU_DELETE_MOVE(WinNativeWindow)
~WinNativeWindow() override;
public:
void Close() override;
WinNativeWindow* GetParent() override { return parent_window_; }
void SetParent(INativeWindow* parent) override;
WindowStyleFlag GetStyleFlag() override { return style_flag_; }
void SetStyleFlag(WindowStyleFlag flag) override;
WindowVisibilityType GetVisibility() override { return visibility_; }
void SetVisibility(WindowVisibilityType visibility) override;
Size GetClientSize() override;
void SetClientSize(const Size& size) override;
Rect GetClientRect() override;
void SetClientRect(const Rect& rect) 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;
bool RequestFocus() 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>* CreateEvent() override { return &create_event_; }
IEvent<std::nullptr_t>* DestroyEvent() override { return &destroy_event_; }
IEvent<std::nullptr_t>* PaintEvent() override { return &paint_event_; }
IEvent<WindowVisibilityType>* VisibilityChangeEvent() override {
return &visibility_change_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<NativeMouseWheelEventArgs>* MouseWheelEvent() override {
return &mouse_wheel_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 RECT DipToPixel(const Rect& dip_rect) {
RECT result;
result.left = DipToPixel(dip_rect.left);
result.top = DipToPixel(dip_rect.top);
result.right = DipToPixel(dip_rect.GetRight());
result.bottom = DipToPixel(dip_rect.GetBottom());
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));
}
inline Rect PixelToDip(const RECT& pi_rect) {
return Rect::FromVertices(PixelToDip(pi_rect.left), PixelToDip(pi_rect.top),
PixelToDip(pi_rect.right),
PixelToDip(pi_rect.bottom));
}
private:
// Get the client rect in pixel.
RECT GetClientRectPixel();
void RecreateWindow();
//*************** region: native messages ***************
void OnCreateInternal();
void OnDestroyInternal();
void OnPaintInternal();
void OnMoveInternal(int new_left, int new_top);
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_;
WindowStyleFlag style_flag_{};
WindowVisibilityType visibility_ = WindowVisibilityType::Hide;
Rect client_rect_{100, 100, 400, 300};
HWND hwnd_ = nullptr;
WinNativeWindow* parent_window_ = nullptr;
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> create_event_;
Event<std::nullptr_t> destroy_event_;
Event<std::nullptr_t> paint_event_;
Event<Size> resize_event_;
Event<WindowVisibilityType> visibility_change_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::NativeMouseWheelEventArgs> mouse_wheel_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
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