File indexing completed on 2024-11-03 05:01:01
0001 /* 0002 SPDX-FileCopyrightText: 2022 Aleix Pol Gonzalez <aleixpol@kde.org> 0003 0004 SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL 0005 */ 0006 0007 #include "qwayland-kde-lockscreen-overlay-v1.h" 0008 #include <KWindowSystem> 0009 #include <QWaylandClientExtensionTemplate> 0010 #include <QtWidgets> 0011 #include <qpa/qplatformnativeinterface.h> 0012 0013 class WaylandAboveLockscreen : public QWaylandClientExtensionTemplate<WaylandAboveLockscreen>, public QtWayland::kde_lockscreen_overlay_v1 0014 { 0015 public: 0016 WaylandAboveLockscreen() 0017 : QWaylandClientExtensionTemplate<WaylandAboveLockscreen>(1) 0018 { 0019 QMetaObject::invokeMethod(this, "addRegistryListener"); 0020 } 0021 0022 void allowWindow(QWindow *window) 0023 { 0024 QPlatformNativeInterface *native = qGuiApp->platformNativeInterface(); 0025 wl_surface *surface = reinterpret_cast<wl_surface *>(native->nativeResourceForWindow(QByteArrayLiteral("surface"), window)); 0026 allow(surface); 0027 } 0028 }; 0029 0030 class WidgetAllower : public QObject 0031 { 0032 public: 0033 WidgetAllower(QWidget *widget) 0034 : QObject(widget) 0035 , m_widget(widget) 0036 { 0037 widget->installEventFilter(this); 0038 } 0039 0040 bool eventFilter(QObject * /*watched*/, QEvent *event) override 0041 { 0042 if (auto w = m_widget->windowHandle()) { 0043 WaylandAboveLockscreen aboveLockscreen; 0044 Q_ASSERT(aboveLockscreen.isInitialized()); 0045 aboveLockscreen.allowWindow(w); 0046 deleteLater(); 0047 } 0048 return false; 0049 } 0050 0051 QWidget *const m_widget; 0052 }; 0053 0054 int main(int argc, char *argv[]) 0055 { 0056 0057 QApplication app(argc, argv); 0058 QWidget window1(nullptr, Qt::Window); 0059 window1.setWindowTitle("Window 1"); 0060 window1.setLayout(new QVBoxLayout); 0061 QPushButton p("Lock && Raise the Window 2"); 0062 window1.layout()->addWidget(&p); 0063 window1.show(); 0064 0065 QWidget window2(nullptr, Qt::Window); 0066 window2.setWindowTitle("Window 2"); 0067 window2.setLayout(new QVBoxLayout); 0068 QPushButton p2("Close"); 0069 window2.layout()->addWidget(&p2); 0070 0071 new WidgetAllower(&window2); 0072 auto raiseWindow2 = [&] { 0073 KWindowSystem::requestXdgActivationToken(window2.windowHandle(), 0, "lockscreenoverlaytest.desktop"); 0074 }; 0075 QObject::connect(KWindowSystem::self(), &KWindowSystem::xdgActivationTokenArrived, &window2, [&window2](int, const QString &token) { 0076 KWindowSystem::setCurrentXdgActivationToken(token); 0077 KWindowSystem::activateWindow(window2.windowHandle()); 0078 }); 0079 0080 QObject::connect(&p, &QPushButton::clicked, &app, [&] { 0081 QProcess::execute("loginctl", {"lock-session"}); 0082 window2.showFullScreen(); 0083 QTimer::singleShot(3000, &app, raiseWindow2); 0084 }); 0085 0086 QObject::connect(&p2, &QPushButton::clicked, &window2, &QWidget::close); 0087 0088 return app.exec(); 0089 }