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#pragma once
#include "../resource.hpp"
#include "base.hpp"
#include "cru/common/event.hpp"
#include <string_view>
namespace cru::platform::native {
// Represents a native window, which exposes some low-level events and
// operations.
//
// Usually you save an INativeWindowResolver after creating a window. Because
// window may be destroyed when user do certain actions like click the close
// button. Then the INativeWindow instance is destroyed and
// INativeWindowResolver::Resolve return nullptr to indicate the fact.
struct INativeWindow : virtual INativeResource {
virtual std::shared_ptr<INativeWindowResolver> GetResolver() = 0;
virtual void Close() = 0;
virtual INativeWindow* GetParent() = 0;
virtual bool IsVisible() = 0;
virtual void SetVisible(bool is_visible) = 0;
virtual Size GetClientSize() = 0;
virtual void SetClientSize(const Size& size) = 0;
// Get the rect of the window containing frame.
// The lefttop of the rect is relative to screen lefttop.
virtual Rect GetWindowRect() = 0;
// Set the rect of the window containing frame.
// The lefttop of the rect is relative to screen lefttop.
virtual void SetWindowRect(const Rect& rect) = 0;
// Relative to client lefttop.
virtual Point GetMousePosition() = 0;
virtual bool CaptureMouse() = 0;
virtual bool ReleaseMouse() = 0;
virtual void SetCursor(std::shared_ptr<ICursor> cursor) = 0;
virtual void RequestRepaint() = 0;
// Remember to call EndDraw on return value and destroy it.
virtual std::unique_ptr<graph::IPainter> BeginPaint() = 0;
virtual IEvent<std::nullptr_t>* DestroyEvent() = 0;
virtual IEvent<std::nullptr_t>* PaintEvent() = 0;
virtual IEvent<Size>* ResizeEvent() = 0;
virtual IEvent<FocusChangeType>* FocusEvent() = 0;
virtual IEvent<MouseEnterLeaveType>* MouseEnterLeaveEvent() = 0;
virtual IEvent<Point>* MouseMoveEvent() = 0;
virtual IEvent<NativeMouseButtonEventArgs>* MouseDownEvent() = 0;
virtual IEvent<NativeMouseButtonEventArgs>* MouseUpEvent() = 0;
virtual IEvent<NativeKeyEventArgs>* KeyDownEvent() = 0;
virtual IEvent<NativeKeyEventArgs>* KeyUpEvent() = 0;
};
// See INativeWindow for more info.
struct INativeWindowResolver : virtual INativeResource {
// Think twice before you save the return value.
virtual INativeWindow* Resolve() = 0;
};
} // namespace cru::platform::native
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