ladybird/Libraries/LibGUI/MenuItem.cpp
Tom 1c1ab71692 WindowServer/LibGUI: Add default menu items and allow default action for context menu
By specifying an optional Action for Menu::popup an application
can specify what item should be displayed as a default item.
2020-07-11 11:45:49 +02:00

110 lines
3.3 KiB
C++

/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <LibGUI/Action.h>
#include <LibGUI/Menu.h>
#include <LibGUI/MenuItem.h>
#include <LibGUI/WindowServerConnection.h>
namespace GUI {
MenuItem::MenuItem(unsigned menu_id, Type type)
: m_type(type)
, m_menu_id(menu_id)
{
}
MenuItem::MenuItem(unsigned menu_id, NonnullRefPtr<Action> action)
: m_type(Type::Action)
, m_menu_id(menu_id)
, m_action(move(action))
{
m_action->register_menu_item({}, *this);
m_enabled = m_action->is_enabled();
m_checkable = m_action->is_checkable();
if (m_checkable)
m_checked = m_action->is_checked();
}
MenuItem::MenuItem(unsigned menu_id, NonnullRefPtr<Menu> submenu)
: m_type(Type::Submenu)
, m_menu_id(menu_id)
, m_submenu(move(submenu))
{
}
MenuItem::~MenuItem()
{
if (m_action)
m_action->unregister_menu_item({}, *this);
}
void MenuItem::set_enabled(bool enabled)
{
if (m_enabled == enabled)
return;
m_enabled = enabled;
update_window_server();
}
void MenuItem::set_checked(bool checked)
{
ASSERT(is_checkable());
if (m_checked == checked)
return;
m_checked = checked;
update_window_server();
}
void MenuItem::set_default(bool is_default)
{
ASSERT(is_checkable());
if (m_default == is_default)
return;
m_default = is_default;
update_window_server();
}
void MenuItem::update_window_server()
{
if (m_menu_id < 0)
return;
auto& action = *m_action;
auto shortcut_text = action.shortcut().is_valid() ? action.shortcut().to_string() : String();
WindowServerConnection::the().send_sync<Messages::WindowServer::UpdateMenuItem>(m_menu_id, m_identifier, -1, action.text(), action.is_enabled(), action.is_checkable(), action.is_checkable() ? action.is_checked() : false, m_default, shortcut_text);
}
void MenuItem::set_menu_id(Badge<Menu>, unsigned int menu_id)
{
m_menu_id = menu_id;
}
void MenuItem::set_identifier(Badge<Menu>, unsigned identifier)
{
m_identifier = identifier;
}
}