diff options
Diffstat (limited to 'src/gui/platform/unix/dbusmenu/qdbusmenubar.cpp')
| -rw-r--r-- | src/gui/platform/unix/dbusmenu/qdbusmenubar.cpp | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/src/gui/platform/unix/dbusmenu/qdbusmenubar.cpp b/src/gui/platform/unix/dbusmenu/qdbusmenubar.cpp new file mode 100644 index 0000000000..b13c875854 --- /dev/null +++ b/src/gui/platform/unix/dbusmenu/qdbusmenubar.cpp @@ -0,0 +1,179 @@ +/**************************************************************************** +** +** 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); + connect(m_menu, &QDBusPlatformMenu::popupRequested, + m_menuAdaptor, &QDBusMenuAdaptor::ItemActivationRequested); +} + +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) { + 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; +} + +QPlatformMenu *QDBusMenuBar::createMenu() const +{ + return new QDBusPlatformMenu; +} + +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 |