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#pragma once
#include "resource.hpp"
#include "cru/platform/native/window.hpp"
#include "window_native_message_event_args.hpp"
#include <memory>
namespace cru::platform::native::win {
class WinNativeWindow : public WinNativeResource, public virtual INativeWindow {
public:
WinNativeWindow(WinUiApplication* application, WindowClass* window_class,
DWORD window_style, WinNativeWindow* parent);
CRU_DELETE_COPY(WinNativeWindow)
CRU_DELETE_MOVE(WinNativeWindow)
~WinNativeWindow() override;
public:
std::shared_ptr<INativeWindowResolver> GetResolver() override {
return std::static_pointer_cast<INativeWindowResolver>(resolver_);
}
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<graph::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::native::NativeMouseButtonEventArgs>* MouseDownEvent()
override {
return &mouse_down_event_;
}
IEvent<platform::native::NativeMouseButtonEventArgs>* MouseUpEvent()
override {
return &mouse_up_event_;
}
IEvent<platform::native::NativeKeyEventArgs>* KeyDownEvent() override {
return &key_down_event_;
}
IEvent<platform::native::NativeKeyEventArgs>* KeyUpEvent() override {
return &key_up_event_;
}
IEvent<std::string>* CharEvent() override { return &char_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_;
// 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;
std::shared_ptr<WinNativeWindowResolver> resolver_;
HWND hwnd_;
WinNativeWindow* parent_window_;
bool has_focus_ = false;
bool is_mouse_in_ = false;
std::unique_ptr<WindowRenderTarget> window_render_target_;
std::shared_ptr<WinCursor> cursor_;
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::native::NativeMouseButtonEventArgs> mouse_down_event_;
Event<platform::native::NativeMouseButtonEventArgs> mouse_up_event_;
Event<platform::native::NativeKeyEventArgs> key_down_event_;
Event<platform::native::NativeKeyEventArgs> key_up_event_;
Event<std::string> char_event_;
Event<WindowNativeMessageEventArgs&> native_message_event_;
// WM_CHAR may be sent twice successively with two utf-16 code units of
// surrogate pair when character is from supplementary planes. This field is
// used to save the previous one.
wchar_t last_wm_char_event_wparam_;
};
class WinNativeWindowResolver : public WinNativeResource,
public virtual INativeWindowResolver {
friend WinNativeWindow::~WinNativeWindow();
public:
WinNativeWindowResolver(WinNativeWindow* window) : window_(window) {}
CRU_DELETE_COPY(WinNativeWindowResolver)
CRU_DELETE_MOVE(WinNativeWindowResolver)
~WinNativeWindowResolver() override = default;
public:
INativeWindow* Resolve() override { return window_; }
private:
void Reset();
private:
WinNativeWindow* window_;
};
} // namespace cru::platform::native::win
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