ladybird/Userland/Libraries/LibGUI/Menu.h
Andreas Kling 51c4de8774 LibGUI: Add GUI::Menu::try_add_action() and try_add_separator()
These are fallible variants that return ErrorOr. :^)
2021-11-24 13:52:01 +01:00

71 lines
1.7 KiB
C++

/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/NonnullOwnPtrVector.h>
#include <AK/WeakPtr.h>
#include <LibCore/Object.h>
#include <LibGUI/Action.h>
#include <LibGUI/Event.h>
#include <LibGUI/Forward.h>
#include <LibGfx/Forward.h>
namespace GUI {
class Menu final : public Core::Object {
C_OBJECT(Menu)
public:
virtual ~Menu() override;
void realize_menu_if_needed();
static Menu* from_menu_id(int);
int menu_id() const { return m_menu_id; }
const String& name() const { return m_name; }
const Gfx::Bitmap* icon() const { return m_icon.ptr(); }
void set_icon(const Gfx::Bitmap*);
Action* action_at(size_t);
ErrorOr<void> try_add_action(NonnullRefPtr<Action>);
ErrorOr<void> try_add_separator();
void add_action(NonnullRefPtr<Action>);
void add_separator();
Menu& add_submenu(const String& name);
void popup(const Gfx::IntPoint& screen_position, const RefPtr<Action>& default_action = nullptr);
void dismiss();
void visibility_did_change(Badge<WindowServerConnection>, bool visible);
Function<void(bool)> on_visibility_change;
bool is_visible() const { return m_visible; }
private:
friend class Menubar;
explicit Menu(String name = "");
int realize_menu(RefPtr<Action> default_action = nullptr);
void unrealize_menu();
void realize_if_needed(const RefPtr<Action>& default_action);
void realize_menu_item(MenuItem&, int item_id);
int m_menu_id { -1 };
String m_name;
RefPtr<Gfx::Bitmap> m_icon;
NonnullOwnPtrVector<MenuItem> m_items;
WeakPtr<Action> m_current_default_action;
bool m_visible { false };
};
}