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/********************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (c) 2011 Lionel Chauvin <megabigbug@yahoo.fr>
Copyright (c) 2011,2012 Cédric Bellegarde <gnumdk@gmail.com>
Copyright (C) 2013 Martin Gräßlin <mgraesslin@kde.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*********************************************************************/
#include "appmenu.h"
#include "client.h"
#include "workspace.h"
#include <appmenu_interface.h>
#include <QDBusObjectPath>
#include <QDBusServiceWatcher>
#include "decorations/decorationbridge.h"
#include <KDecoration2/DecorationSettings>
using namespace KWin;
KWIN_SINGLETON_FACTORY(ApplicationMenu)
static const QString s_viewService(QStringLiteral("org.kde.kappmenuview"));
ApplicationMenu::ApplicationMenu(QObject *parent)
: QObject(parent)
, m_appmenuInterface(new OrgKdeKappmenuInterface(QStringLiteral("org.kde.kappmenu"), QStringLiteral("/KAppMenu"), QDBusConnection::sessionBus(), this))
{
connect(m_appmenuInterface, &OrgKdeKappmenuInterface::showRequest, this, &ApplicationMenu::slotShowRequest);
connect(m_appmenuInterface, &OrgKdeKappmenuInterface::menuShown, this, &ApplicationMenu::slotMenuShown);
connect(m_appmenuInterface, &OrgKdeKappmenuInterface::menuHidden, this, &ApplicationMenu::slotMenuHidden);
m_kappMenuWatcher = new QDBusServiceWatcher(QStringLiteral("org.kde.kappmenu"), QDBusConnection::sessionBus(),
QDBusServiceWatcher::WatchForRegistration|QDBusServiceWatcher::WatchForUnregistration, this);
connect(m_kappMenuWatcher, &QDBusServiceWatcher::serviceRegistered,
this, [this] () {
m_applicationMenuEnabled = true;
emit applicationMenuEnabledChanged(true);
});
connect(m_kappMenuWatcher, &QDBusServiceWatcher::serviceUnregistered,
this, [this] () {
m_applicationMenuEnabled = false;
emit applicationMenuEnabledChanged(false);
});
m_applicationMenuEnabled = QDBusConnection::sessionBus().interface()->isServiceRegistered(QStringLiteral("org.kde.kappmenu"));
}
ApplicationMenu::~ApplicationMenu()
{
s_self = nullptr;
}
bool ApplicationMenu::applicationMenuEnabled() const
{
return m_applicationMenuEnabled;
}
void ApplicationMenu::setViewEnabled(bool enabled)
{
if (enabled) {
QDBusConnection::sessionBus().interface()->registerService(s_viewService,
QDBusConnectionInterface::QueueService,
QDBusConnectionInterface::DontAllowReplacement);
} else {
QDBusConnection::sessionBus().interface()->unregisterService(s_viewService);
}
}
void ApplicationMenu::slotShowRequest(const QString &serviceName, const QDBusObjectPath &menuObjectPath, int actionId)
{
// Ignore show request when user has not configured the application menu title bar button
auto decorationSettings = Decoration::DecorationBridge::self()->settings();
if (!decorationSettings->decorationButtonsLeft().contains(KDecoration2::DecorationButtonType::ApplicationMenu)
&& !decorationSettings->decorationButtonsRight().contains(KDecoration2::DecorationButtonType::ApplicationMenu)) {
return;
}
if (AbstractClient *c = findAbstractClientWithApplicationMenu(serviceName, menuObjectPath)) {
c->showApplicationMenu(actionId);
}
}
void ApplicationMenu::slotMenuShown(const QString &serviceName, const QDBusObjectPath &menuObjectPath)
{
if (AbstractClient *c = findAbstractClientWithApplicationMenu(serviceName, menuObjectPath)) {
c->setApplicationMenuActive(true);
}
}
void ApplicationMenu::slotMenuHidden(const QString &serviceName, const QDBusObjectPath &menuObjectPath)
{
if (AbstractClient *c = findAbstractClientWithApplicationMenu(serviceName, menuObjectPath)) {
c->setApplicationMenuActive(false);
}
}
void ApplicationMenu::showApplicationMenu(const QPoint &p, AbstractClient *c, int actionId)
{
if (!c->hasApplicationMenu()) {
return;
}
m_appmenuInterface->showMenu(p.x(), p.y(), c->applicationMenuServiceName(), QDBusObjectPath(c->applicationMenuObjectPath()), actionId);
}
AbstractClient *ApplicationMenu::findAbstractClientWithApplicationMenu(const QString &serviceName, const QDBusObjectPath &menuObjectPath)
{
if (serviceName.isEmpty() || menuObjectPath.path().isEmpty()) {
return nullptr;
}
return Workspace::self()->findAbstractClient([&](const AbstractClient *c) {
return c->applicationMenuServiceName() == serviceName
&& c->applicationMenuObjectPath() == menuObjectPath.path();
});
}
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