File indexing completed on 2024-11-10 04:58:08

 /*
     SPDX-FileCopyrightText: 2022 Aleix Pol Gonzalez <aleixpol@kde.org>
 
     SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
 */
 
 #include "qwayland-kde-lockscreen-overlay-v1.h"
 #include <KWindowSystem>
 #include <QWaylandClientExtensionTemplate>
 #include <QtWidgets>
 #include <qpa/qplatformnativeinterface.h>
 
 class WaylandAboveLockscreen : public QWaylandClientExtensionTemplate<WaylandAboveLockscreen>, public QtWayland::kde_lockscreen_overlay_v1
 {
 public:
     WaylandAboveLockscreen()
         : QWaylandClientExtensionTemplate<WaylandAboveLockscreen>(1)
     {
         QMetaObject::invokeMethod(this, "addRegistryListener");
     }
 
     void allowWindow(QWindow *window)
     {
         QPlatformNativeInterface *native = qGuiApp->platformNativeInterface();
         wl_surface *surface = reinterpret_cast<wl_surface *>(native->nativeResourceForWindow(QByteArrayLiteral("surface"), window));
         allow(surface);
     }
 };
 
 class WidgetAllower : public QObject
 {
 public:
     WidgetAllower(QWidget *widget)
         : QObject(widget)
         , m_widget(widget)
     {
         widget->installEventFilter(this);
     }
 
     bool eventFilter(QObject * /*watched*/, QEvent *event) override
     {
         if (auto w = m_widget->windowHandle()) {
             WaylandAboveLockscreen aboveLockscreen;
             Q_ASSERT(aboveLockscreen.isInitialized());
             aboveLockscreen.allowWindow(w);
             deleteLater();
         }
         return false;
     }
 
     QWidget *const m_widget;
 };
 
 int main(int argc, char *argv[])
 {
 
     QApplication app(argc, argv);
     QWidget window1(nullptr, Qt::Window);
     window1.setWindowTitle("Window 1");
     window1.setLayout(new QVBoxLayout);
     QPushButton p("Lock && Raise the Window 2");
     window1.layout()->addWidget(&p);
     window1.show();
 
     QWidget window2(nullptr, Qt::Window);
     window2.setWindowTitle("Window 2");
     window2.setLayout(new QVBoxLayout);
     QPushButton p2("Close");
     window2.layout()->addWidget(&p2);
 
     new WidgetAllower(&window2);
     auto raiseWindow2 = [&] {
         KWindowSystem::requestXdgActivationToken(window2.windowHandle(), 0, "lockscreenoverlaytest.desktop");
     };
     QObject::connect(KWindowSystem::self(), &KWindowSystem::xdgActivationTokenArrived, &window2, [&window2](int, const QString &token) {
         KWindowSystem::setCurrentXdgActivationToken(token);
         KWindowSystem::activateWindow(window2.windowHandle());
     });
 
     QObject::connect(&p, &QPushButton::clicked, &app, [&] {
         QProcess::execute("loginctl", {"lock-session"});
         window2.showFullScreen();
         QTimer::singleShot(3000, &app, raiseWindow2);
     });
 
     QObject::connect(&p2, &QPushButton::clicked, &window2, &QWidget::close);
 
     return app.exec();
 }