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#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
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