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/****************************************************************************
**
** Copyright (C) 2016 Dmitry Shachnev <mitya57@gmail.com>
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qdbusmenubar_p.h"
#include "qdbusmenuregistrarproxy_p.h"
QT_BEGIN_NAMESPACE
/* note: do not change these to QStringLiteral;
we are unloaded before QtDBus is done using the strings.
*/
#define REGISTRAR_SERVICE QLatin1String("com.canonical.AppMenu.Registrar")
#define REGISTRAR_PATH QLatin1String("/com/canonical/AppMenu/Registrar")
QDBusMenuBar::QDBusMenuBar()
: QPlatformMenuBar()
, m_menu(new QDBusPlatformMenu())
, m_menuAdaptor(new QDBusMenuAdaptor(m_menu))
, m_windowId(0)
{
QDBusMenuItem::registerDBusTypes();
connect(m_menu, &QDBusPlatformMenu::propertiesUpdated,
m_menuAdaptor, &QDBusMenuAdaptor::ItemsPropertiesUpdated);
connect(m_menu, &QDBusPlatformMenu::updated,
m_menuAdaptor, &QDBusMenuAdaptor::LayoutUpdated);
}
QDBusMenuBar::~QDBusMenuBar()
{
unregisterMenuBar();
delete m_menuAdaptor;
delete m_menu;
qDeleteAll(m_menuItems);
}
QDBusPlatformMenuItem *QDBusMenuBar::menuItemForMenu(QPlatformMenu *menu)
{
if (!menu)
return nullptr;
quintptr tag = menu->tag();
const auto it = m_menuItems.constFind(tag);
if (it != m_menuItems.cend()) {
return *it;
} else {
QDBusPlatformMenuItem *item = new QDBusPlatformMenuItem;
updateMenuItem(item, menu);
m_menuItems.insert(tag, item);
return item;
}
}
void QDBusMenuBar::updateMenuItem(QDBusPlatformMenuItem *item, QPlatformMenu *menu)
{
const QDBusPlatformMenu *ourMenu = qobject_cast<const QDBusPlatformMenu *>(menu);
item->setText(ourMenu->text());
item->setIcon(ourMenu->icon());
item->setEnabled(ourMenu->isEnabled());
item->setVisible(ourMenu->isVisible());
item->setMenu(menu);
}
void QDBusMenuBar::insertMenu(QPlatformMenu *menu, QPlatformMenu *before)
{
QDBusPlatformMenuItem *menuItem = menuItemForMenu(menu);
QDBusPlatformMenuItem *beforeItem = menuItemForMenu(before);
m_menu->insertMenuItem(menuItem, beforeItem);
m_menu->emitUpdated();
}
void QDBusMenuBar::removeMenu(QPlatformMenu *menu)
{
QDBusPlatformMenuItem *menuItem = menuItemForMenu(menu);
m_menu->removeMenuItem(menuItem);
m_menu->emitUpdated();
}
void QDBusMenuBar::syncMenu(QPlatformMenu *menu)
{
QDBusPlatformMenuItem *menuItem = menuItemForMenu(menu);
updateMenuItem(menuItem, menu);
}
void QDBusMenuBar::handleReparent(QWindow *newParentWindow)
{
if (newParentWindow && newParentWindow->winId() != m_windowId) {
unregisterMenuBar();
m_windowId = newParentWindow->winId();
registerMenuBar();
}
}
QPlatformMenu *QDBusMenuBar::menuForTag(quintptr tag) const
{
QDBusPlatformMenuItem *menuItem = m_menuItems.value(tag);
if (menuItem)
return const_cast<QPlatformMenu *>(menuItem->menu());
return nullptr;
}
void QDBusMenuBar::registerMenuBar()
{
static uint menuBarId = 0;
QDBusConnection connection = QDBusConnection::sessionBus();
m_objectPath = QStringLiteral("/MenuBar/%1").arg(++menuBarId);
if (!connection.registerObject(m_objectPath, m_menu))
return;
QDBusMenuRegistrarInterface registrar(REGISTRAR_SERVICE, REGISTRAR_PATH, connection, this);
QDBusPendingReply<> r = registrar.RegisterWindow(m_windowId, QDBusObjectPath(m_objectPath));
r.waitForFinished();
if (r.isError()) {
qWarning("Failed to register window menu, reason: %s (\"%s\")",
qUtf8Printable(r.error().name()), qUtf8Printable(r.error().message()));
connection.unregisterObject(m_objectPath);
}
}
void QDBusMenuBar::unregisterMenuBar()
{
QDBusConnection connection = QDBusConnection::sessionBus();
if (m_windowId) {
QDBusMenuRegistrarInterface registrar(REGISTRAR_SERVICE, REGISTRAR_PATH, connection, this);
QDBusPendingReply<> r = registrar.UnregisterWindow(m_windowId);
r.waitForFinished();
if (r.isError())
qWarning("Failed to unregister window menu, reason: %s (\"%s\")",
qUtf8Printable(r.error().name()), qUtf8Printable(r.error().message()));
}
if (!m_objectPath.isEmpty())
connection.unregisterObject(m_objectPath);
}
QT_END_NAMESPACE
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