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#pragma once
#include "content_control.hpp"
#include "event/ui_event.hpp"
#include <memory>
namespace cru::platform {
struct NativeWindow;
}
namespace cru::ui {
namespace render {
class WindowRenderObject;
}
class Window final : public ContentControl {
public:
static constexpr auto control_type = L"Window";
public:
static Window* CreateOverlapped();
private:
struct tag_overlapped_constructor {};
explicit Window(tag_overlapped_constructor);
public:
Window(const Window& other) = delete;
Window(Window&& other) = delete;
Window& operator=(const Window& other) = delete;
Window& operator=(Window&& other) = delete;
~Window() override;
public:
std::wstring_view GetControlType() const override final;
render::RenderObject* GetRenderObject() const override;
platform::NativeWindow* GetNativeWindow() const;
Control* GetMouseHoverControl() const { return mouse_hover_control_; }
//*************** region: focus ***************
// Request focus for specified control.
bool RequestFocusFor(Control* control);
// Get the control that has focus.
Control* GetFocusControl();
protected:
void OnChildChanged(Control* old_child, Control* new_child) override;
private:
Control* HitTest(const Point& point);
//*************** region: native messages ***************
void OnNativeDestroy();
void OnNativePaint();
void OnNativeResize(const Size& size);
void OnNativeFocus(bool focus);
void OnNativeMouseEnterLeave(bool enter);
void OnNativeMouseMove(const Point& point);
void OnNativeMouseDown(platform::MouseButton button, const Point& point);
void OnNativeMouseUp(platform::MouseButton button, const Point& point);
void OnNativeKeyDown(int virtual_code);
void OnNativeKeyUp(int virtual_code);
//*************** region: event dispatcher helper ***************
void DispatchMouseHoverControlChangeEvent(Control* old_control,
Control* new_control,
const Point& point);
private:
platform::NativeWindow* native_window_;
std::vector<EventHandlerRevoker> event_revokers_;
std::shared_ptr<render::WindowRenderObject> render_object_;
Control* mouse_hover_control_ = nullptr;
Control* focus_control_ = this; // "focus_control_" can't be nullptr
};
} // namespace cru::ui
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