124 lines
4.5 KiB
C++
124 lines
4.5 KiB
C++
/*
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KWin - the KDE window manager
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This file is part of the KDE project.
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SPDX-FileCopyrightText: 2011 Lionel Chauvin <megabigbug@yahoo.fr>
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SPDX-FileCopyrightText: 2011, 2012 Cédric Bellegarde <gnumdk@gmail.com>
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SPDX-FileCopyrightText: 2013 Martin Gräßlin <mgraesslin@kde.org>
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SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "appmenu.h"
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#include "x11client.h"
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#include "workspace.h"
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#include <appmenu_interface.h>
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#include <QDBusObjectPath>
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#include <QDBusServiceWatcher>
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#include "decorations/decorationbridge.h"
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#include <KDecoration2/DecorationSettings>
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namespace KWin
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{
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KWIN_SINGLETON_FACTORY(ApplicationMenu)
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static const QString s_viewService(QStringLiteral("org.kde.kappmenuview"));
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ApplicationMenu::ApplicationMenu(QObject *parent)
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: QObject(parent)
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, m_appmenuInterface(new OrgKdeKappmenuInterface(QStringLiteral("org.kde.kappmenu"), QStringLiteral("/KAppMenu"), QDBusConnection::sessionBus(), this))
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{
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connect(m_appmenuInterface, &OrgKdeKappmenuInterface::showRequest, this, &ApplicationMenu::slotShowRequest);
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connect(m_appmenuInterface, &OrgKdeKappmenuInterface::menuShown, this, &ApplicationMenu::slotMenuShown);
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connect(m_appmenuInterface, &OrgKdeKappmenuInterface::menuHidden, this, &ApplicationMenu::slotMenuHidden);
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m_kappMenuWatcher = new QDBusServiceWatcher(QStringLiteral("org.kde.kappmenu"), QDBusConnection::sessionBus(),
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QDBusServiceWatcher::WatchForRegistration|QDBusServiceWatcher::WatchForUnregistration, this);
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connect(m_kappMenuWatcher, &QDBusServiceWatcher::serviceRegistered,
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this, [this] () {
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m_applicationMenuEnabled = true;
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emit applicationMenuEnabledChanged(true);
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});
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connect(m_kappMenuWatcher, &QDBusServiceWatcher::serviceUnregistered,
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this, [this] () {
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m_applicationMenuEnabled = false;
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emit applicationMenuEnabledChanged(false);
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});
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m_applicationMenuEnabled = QDBusConnection::sessionBus().interface()->isServiceRegistered(QStringLiteral("org.kde.kappmenu"));
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}
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ApplicationMenu::~ApplicationMenu()
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{
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s_self = nullptr;
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}
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bool ApplicationMenu::applicationMenuEnabled() const
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{
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return m_applicationMenuEnabled;
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}
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void ApplicationMenu::setViewEnabled(bool enabled)
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{
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if (enabled) {
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QDBusConnection::sessionBus().interface()->registerService(s_viewService,
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QDBusConnectionInterface::QueueService,
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QDBusConnectionInterface::DontAllowReplacement);
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} else {
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QDBusConnection::sessionBus().interface()->unregisterService(s_viewService);
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}
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}
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void ApplicationMenu::slotShowRequest(const QString &serviceName, const QDBusObjectPath &menuObjectPath, int actionId)
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{
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// Ignore show request when user has not configured the application menu title bar button
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auto decorationSettings = Decoration::DecorationBridge::self()->settings();
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if (!decorationSettings->decorationButtonsLeft().contains(KDecoration2::DecorationButtonType::ApplicationMenu)
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&& !decorationSettings->decorationButtonsRight().contains(KDecoration2::DecorationButtonType::ApplicationMenu)) {
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return;
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}
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if (AbstractClient *c = findAbstractClientWithApplicationMenu(serviceName, menuObjectPath)) {
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c->showApplicationMenu(actionId);
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}
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}
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void ApplicationMenu::slotMenuShown(const QString &serviceName, const QDBusObjectPath &menuObjectPath)
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{
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if (AbstractClient *c = findAbstractClientWithApplicationMenu(serviceName, menuObjectPath)) {
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c->setApplicationMenuActive(true);
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}
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}
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void ApplicationMenu::slotMenuHidden(const QString &serviceName, const QDBusObjectPath &menuObjectPath)
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{
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if (AbstractClient *c = findAbstractClientWithApplicationMenu(serviceName, menuObjectPath)) {
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c->setApplicationMenuActive(false);
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}
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}
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void ApplicationMenu::showApplicationMenu(const QPoint &p, AbstractClient *c, int actionId)
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{
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if (!c->hasApplicationMenu()) {
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return;
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}
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m_appmenuInterface->showMenu(p.x(), p.y(), c->applicationMenuServiceName(), QDBusObjectPath(c->applicationMenuObjectPath()), actionId);
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}
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AbstractClient *ApplicationMenu::findAbstractClientWithApplicationMenu(const QString &serviceName, const QDBusObjectPath &menuObjectPath)
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{
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if (serviceName.isEmpty() || menuObjectPath.path().isEmpty()) {
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return nullptr;
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}
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return Workspace::self()->findAbstractClient([&](const AbstractClient *c) {
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return c->applicationMenuServiceName() == serviceName
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&& c->applicationMenuObjectPath() == menuObjectPath.path();
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});
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}
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} // namespace KWin
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