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#pragma once
#include <LibCore/CObject.h>
#include <LibGUI/GWindowType.h>
#include <SharedGraphics/Rect.h>
#include <SharedGraphics/GraphicsBitmap.h>
#include <AK/AKString.h>
#include <AK/WeakPtr.h>
class GWidget;
class GWMEvent;
enum class GStandardCursor {
None = 0,
Arrow,
IBeam,
ResizeHorizontal,
ResizeVertical,
};
class GWindow : public CObject {
public:
GWindow(CObject* parent = nullptr);
virtual ~GWindow() override;
static GWindow* from_window_id(int);
bool is_modal() const { return m_modal; }
void set_modal(bool);
bool is_resizable() const { return m_resizable; }
void set_resizable(bool resizable) { m_resizable = resizable; }
void set_double_buffering_enabled(bool);
void set_has_alpha_channel(bool);
void set_opacity(float);
void set_window_type(GWindowType);
int window_id() const { return m_window_id; }
String title() const;
void set_title(const String&);
Color background_color() const { return m_background_color; }
void set_background_color(Color color) { m_background_color = color; }
int x() const { return rect().x(); }
int y() const { return rect().y(); }
int width() const { return rect().width(); }
int height() const { return rect().height(); }
Rect rect() const;
Size size() const { return rect().size(); }
void set_rect(const Rect&);
void set_rect(int x, int y, int width, int height) { set_rect({ x, y, width, height }); }
Point position() const { return rect().location(); }
void move_to(int x, int y) { move_to({ x, y }); }
void move_to(const Point& point) { set_rect({ point, size() }); }
virtual void event(CEvent&) override;
bool is_visible() const;
bool is_active() const { return m_is_active; }
void show();
void hide();
void close();
GWidget* main_widget() { return m_main_widget; }
const GWidget* main_widget() const { return m_main_widget; }
void set_main_widget(GWidget*);
GWidget* focused_widget() { return m_focused_widget; }
const GWidget* focused_widget() const { return m_focused_widget; }
void set_focused_widget(GWidget*);
void update(const Rect& = Rect());
void set_global_cursor_tracking_widget(GWidget*);
GWidget* global_cursor_tracking_widget() { return m_global_cursor_tracking_widget.ptr(); }
const GWidget* global_cursor_tracking_widget() const { return m_global_cursor_tracking_widget.ptr(); }
void set_automatic_cursor_tracking_widget(GWidget*);
GWidget* automatic_cursor_tracking_widget() { return m_automatic_cursor_tracking_widget.ptr(); }
const GWidget* automatic_cursor_tracking_widget() const { return m_automatic_cursor_tracking_widget.ptr(); }
bool should_exit_event_loop_on_close() const { return m_should_exit_app_on_close; }
void set_should_exit_event_loop_on_close(bool b) { m_should_exit_app_on_close = b; }
GWidget* hovered_widget() { return m_hovered_widget.ptr(); }
const GWidget* hovered_widget() const { return m_hovered_widget.ptr(); }
void set_hovered_widget(GWidget*);
GraphicsBitmap* front_bitmap() { return m_front_bitmap.ptr(); }
GraphicsBitmap* back_bitmap() { return m_back_bitmap.ptr(); }
Size size_increment() const { return m_size_increment; }
void set_size_increment(const Size& increment) { m_size_increment = increment; }
Size base_size() const { return m_base_size; }
void set_base_size(const Size& size) { m_base_size = size; }
void set_override_cursor(GStandardCursor);
String icon_path() const { return m_icon_path; }
void set_icon_path(const String&);
virtual const char* class_name() const override { return "GWindow"; }
protected:
virtual void wm_event(GWMEvent&);
private:
virtual bool is_window() const override final { return true; }
Retained<GraphicsBitmap> create_backing_bitmap(const Size&);
void set_current_backing_bitmap(GraphicsBitmap&, bool flush_immediately = false);
void flip(const Rect& dirty_rect);
RetainPtr<GraphicsBitmap> m_front_bitmap;
RetainPtr<GraphicsBitmap> m_back_bitmap;
int m_window_id { 0 };
float m_opacity_when_windowless { 1.0f };
GWidget* m_main_widget { nullptr };
WeakPtr<GWidget> m_focused_widget;
WeakPtr<GWidget> m_global_cursor_tracking_widget;
WeakPtr<GWidget> m_automatic_cursor_tracking_widget;
WeakPtr<GWidget> m_hovered_widget;
Rect m_rect_when_windowless;
String m_title_when_windowless;
String m_icon_path;
Vector<Rect, 32> m_pending_paint_event_rects;
Size m_size_increment;
Size m_base_size;
Color m_background_color { Color::LightGray };
GWindowType m_window_type { GWindowType::Normal };
bool m_is_active { false };
bool m_should_exit_app_on_close { false };
bool m_has_alpha_channel { false };
bool m_double_buffering_enabled { true };
bool m_modal { false };
bool m_resizable { true };
};
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