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1c1ab71692
By specifying an optional Action for Menu::popup an application can specify what item should be displayed as a default item.
111 lines
3.3 KiB
C++
111 lines
3.3 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <LibGUI/Action.h>
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#include <LibGUI/Menu.h>
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#include <LibGUI/MenuItem.h>
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#include <LibGUI/WindowServerConnection.h>
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namespace GUI {
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MenuItem::MenuItem(unsigned menu_id, Type type)
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: m_type(type)
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, m_menu_id(menu_id)
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{
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}
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MenuItem::MenuItem(unsigned menu_id, NonnullRefPtr<Action> action)
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: m_type(Type::Action)
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, m_menu_id(menu_id)
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, m_action(move(action))
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{
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m_action->register_menu_item({}, *this);
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m_enabled = m_action->is_enabled();
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m_checkable = m_action->is_checkable();
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if (m_checkable)
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m_checked = m_action->is_checked();
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}
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MenuItem::MenuItem(unsigned menu_id, NonnullRefPtr<Menu> submenu)
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: m_type(Type::Submenu)
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, m_menu_id(menu_id)
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, m_submenu(move(submenu))
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{
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}
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MenuItem::~MenuItem()
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{
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if (m_action)
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m_action->unregister_menu_item({}, *this);
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}
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void MenuItem::set_enabled(bool enabled)
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{
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if (m_enabled == enabled)
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return;
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m_enabled = enabled;
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update_window_server();
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}
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void MenuItem::set_checked(bool checked)
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{
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ASSERT(is_checkable());
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if (m_checked == checked)
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return;
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m_checked = checked;
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update_window_server();
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}
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void MenuItem::set_default(bool is_default)
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{
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ASSERT(is_checkable());
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if (m_default == is_default)
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return;
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m_default = is_default;
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update_window_server();
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}
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void MenuItem::update_window_server()
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{
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if (m_menu_id < 0)
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return;
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auto& action = *m_action;
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auto shortcut_text = action.shortcut().is_valid() ? action.shortcut().to_string() : String();
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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);
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}
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void MenuItem::set_menu_id(Badge<Menu>, unsigned int menu_id)
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{
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m_menu_id = menu_id;
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}
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void MenuItem::set_identifier(Badge<Menu>, unsigned identifier)
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{
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m_identifier = identifier;
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}
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}
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