4f20e9216f
Requires clients to have the X-KDE-Wayland-Interfaces=kde_lockscreenallowed_v1 set in their desktop file, then they will be able to use the kde_lockscreenallowed_v1 protocol to raise any surface above the lockscreen. The protocol has only 1 method, raise_surface to do exactly that. Makes it possible to implement https://invent.kde.org/teams/plasma-mobile/issues/-/issues/98
89 lines
2.7 KiB
C++
89 lines
2.7 KiB
C++
/*
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SPDX-FileCopyrightText: 2022 Aleix Pol Gonzalez <aleixpol@kde.org>
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SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
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*/
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#include "qwayland-kde-lockscreen-overlay-v1.h"
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#include <KWindowSystem>
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#include <QWaylandClientExtensionTemplate>
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#include <QtWidgets>
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#include <qpa/qplatformnativeinterface.h>
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class WaylandAboveLockscreen : public QWaylandClientExtensionTemplate<WaylandAboveLockscreen>, public QtWayland::kde_lockscreen_overlay_v1
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{
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public:
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WaylandAboveLockscreen()
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: QWaylandClientExtensionTemplate<WaylandAboveLockscreen>(1)
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{
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QMetaObject::invokeMethod(this, "addRegistryListener");
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}
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void allowWindow(QWindow *window)
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{
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QPlatformNativeInterface *native = qGuiApp->platformNativeInterface();
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wl_surface *surface = reinterpret_cast<wl_surface *>(native->nativeResourceForWindow(QByteArrayLiteral("surface"), window));
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allow(surface);
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}
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};
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class WidgetAllower : public QObject
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{
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public:
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WidgetAllower(QWidget *widget)
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: QObject(widget)
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, m_widget(widget)
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{
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widget->installEventFilter(this);
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}
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bool eventFilter(QObject * /*watched*/, QEvent *event) override
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{
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if (auto w = m_widget->windowHandle()) {
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WaylandAboveLockscreen aboveLockscreen;
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Q_ASSERT(aboveLockscreen.isInitialized());
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aboveLockscreen.allowWindow(w);
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deleteLater();
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}
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return false;
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}
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QWidget *const m_widget;
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};
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int main(int argc, char *argv[])
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{
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QApplication app(argc, argv);
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QWidget window1(nullptr, Qt::Window);
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window1.setWindowTitle("Window 1");
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window1.setLayout(new QVBoxLayout);
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QPushButton p("Lock && Raise the Window 2");
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window1.layout()->addWidget(&p);
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window1.show();
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QWidget window2(nullptr, Qt::Window);
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window2.setWindowTitle("Window 2");
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window2.setLayout(new QVBoxLayout);
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QPushButton p2("Close");
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window2.layout()->addWidget(&p2);
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new WidgetAllower(&window2);
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auto raiseWindow2 = [&] {
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KWindowSystem::requestXdgActivationToken(window2.windowHandle(), 0, "lockscreenoverlaytest.desktop");
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};
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QObject::connect(KWindowSystem::self(), &KWindowSystem::xdgActivationTokenArrived, &window2, [&window2](int, const QString &token) {
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KWindowSystem::setCurrentXdgActivationToken(token);
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KWindowSystem::activateWindow(window2.windowHandle());
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});
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QObject::connect(&p, &QPushButton::clicked, &app, [&] {
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QProcess::execute("loginctl", {"lock-session"});
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window2.showFullScreen();
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QTimer::singleShot(3000, &app, raiseWindow2);
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});
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QObject::connect(&p2, &QPushButton::clicked, &window2, &QWidget::close);
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return app.exec();
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}
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