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/*
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 <KWaylandExtras>
#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 = [&] {
KWaylandExtras::requestXdgActivationToken(window2.windowHandle(), 0, "lockscreenoverlaytest.desktop");
};
QObject::connect(KWaylandExtras::self(), &KWaylandExtras::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();
}
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