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#pragma once
#include "Base.h"
#include <cru/platform/gui/UiApplication.h>
#include <cru/platform/gui/Window.h>
#include <cairo.h>
#include <xcb/xcb.h>
#include <optional>
namespace cru::platform::gui::xcb {
class XcbUiApplication;
class XcbCursor;
class XcbXimInputMethodContext;
class XcbWindow : public XcbResource, public virtual INativeWindow {
CRU_DEFINE_CLASS_LOG_TAG("cru::platform::gui::xcb::XcbWindow")
friend XcbUiApplication;
public:
explicit XcbWindow(XcbUiApplication* application);
~XcbWindow() override;
bool IsCreated() override;
void Close() override;
INativeWindow* GetParent() override;
void SetParent(INativeWindow* parent) override;
WindowStyleFlag GetStyleFlag() override;
void SetStyleFlag(WindowStyleFlag flag) override;
std::string GetTitle() override;
void SetTitle(std::string title) override;
WindowVisibilityType GetVisibility() override;
void SetVisibility(WindowVisibilityType visibility) override;
Size GetClientSize() override;
void SetClientSize(const Size& size) override;
Rect GetClientRect() override;
void SetClientRect(const Rect& rect) override;
Rect GetWindowRect() override;
void SetWindowRect(const Rect& rect) override;
bool RequestFocus() override;
Point GetMousePosition() override;
bool CaptureMouse() override;
bool ReleaseMouse() override;
void SetCursor(std::shared_ptr<ICursor> cursor) override;
void SetToForeground() override;
void RequestRepaint() override;
std::unique_ptr<graphics::IPainter> BeginPaint() override;
CRU_DEFINE_CRU_PLATFORM_GUI_I_NATIVE_WINDOW_OVERRIDE_EVENTS()
IInputMethodContext* GetInputMethodContext() override;
public:
std::optional<xcb_window_t> GetXcbWindow();
XcbUiApplication* GetXcbUiApplication();
bool HasFocus();
private:
xcb_window_t DoCreateWindow();
void HandleEvent(xcb_generic_event_t* event);
static std::optional<xcb_window_t> GetEventWindow(xcb_generic_event_t* event);
void DoSetParent(xcb_window_t window);
void DoSetStyleFlags(xcb_window_t window);
void DoSetTitle(xcb_window_t window);
void DoSetClientRect(xcb_window_t window, const Rect& rect);
void DoSetCursor(xcb_window_t window, XcbCursor* cursor);
void* XcbGetProperty(xcb_window_t window, xcb_atom_t property,
xcb_atom_t type, std::uint32_t offset,
std::uint32_t length,
std::uint32_t* out_length = nullptr);
// Relative to screen lefttop.
Point GetXcbWindowPosition(xcb_window_t window);
std::optional<Thickness> Get_NET_FRAME_EXTENTS(xcb_window_t window);
private:
XcbUiApplication* application_;
std::optional<xcb_window_t> xcb_window_;
cairo_surface_t* cairo_surface_;
Size current_size_;
WindowStyleFlag style_;
std::string title_;
bool mapped_;
std::shared_ptr<XcbCursor> cursor_;
XcbWindow* parent_;
XcbXimInputMethodContext* input_method_;
TimerAutoCanceler repaint_canceler_;
};
} // namespace cru::platform::gui::xcb
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