Provide an xdgactivationtest

Adds a test that has two windows and one activates the other.

There are two versions: qt5 and qt6.
The Qt 6 code is vastly different since Qt 6 knows about
xdg_activation_v1, so it makes sense to have both for now.

tests/CMakeLists.txt

@@ -1,3 +1,6 @@
+find_package(Qt5 REQUIRED COMPONENTS WaylandClient)
+find_package(Qt6 OPTIONAL_COMPONENTS Widgets)
+
 if (XCB_ICCCM_FOUND)
     set(normalhintsbasesizetest_SRCS normalhintsbasesizetest.cpp)
     add_executable(normalhintsbasesizetest ${normalhintsbasesizetest_SRCS})
@@ -36,3 +39,17 @@ add_executable(cursorhotspottest cursorhotspottest.cpp)
 target_link_libraries(cursorhotspottest Qt::Widgets)
 
 include_directories(${CMAKE_CURRENT_BINARY_DIR})
+
+add_executable(xdgactivationtest-qt5 xdgactivationtest-qt5.cpp)
+target_link_libraries(xdgactivationtest-qt5 Qt::Widgets Qt::WaylandClient Qt::WaylandClientPrivate Wayland::Client)
+if (QT_MAJOR_VERSION EQUAL "5")
+    ecm_add_qtwayland_client_protocol(xdgactivationtest-qt5
+        PROTOCOL ${WaylandProtocols_DATADIR}/staging/xdg-activation/xdg-activation-v1.xml
+        BASENAME xdg-activation-v1
+    )
+endif()
+
+if (TARGET Qt6::Gui)
+    add_executable(xdgactivationtest-qt6 xdgactivationtest-qt6.cpp)
+    target_link_libraries(xdgactivationtest-qt6 Qt6::Widgets)
+endif()

tests/xdgactivationtest-qt5.cpp

@@ -0,0 +1,90 @@
+/*
+    SPDX-FileCopyrightText: 2022 Aleix Pol Gonzalez <aleixpol@kde.org>
+    SPDX-FileCopyrightText: 2022 Ilya Fedin <fedin-ilja2010@ya.ru>
+
+    SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+*/
+
+#include "qwayland-xdg-activation-v1.h"
+#include <QWaylandClientExtensionTemplate>
+#include <QtWidgets>
+#include <qpa/qplatformnativeinterface.h>
+
+class WaylandXdgActivationTokenV1 : public QObject, public QtWayland::xdg_activation_token_v1
+{
+    Q_OBJECT
+public:
+    void xdg_activation_token_v1_done(const QString &token) override
+    {
+        Q_EMIT done(token);
+    }
+
+Q_SIGNALS:
+    void done(const QString &token);
+};
+
+class WaylandXdgActivationV1 : public QWaylandClientExtensionTemplate<WaylandXdgActivationV1>, public QtWayland::xdg_activation_v1
+{
+public:
+    WaylandXdgActivationV1()
+        : QWaylandClientExtensionTemplate<WaylandXdgActivationV1>(1)
+    {
+        // QWaylandClientExtensionTemplate invokes this with a QueuedConnection but we want shortcuts
+        // to be inhibited immediately.
+        QMetaObject::invokeMethod(this, "addRegistryListener");
+    }
+
+    WaylandXdgActivationTokenV1 *requestXdgActivationToken(wl_seat *seat, struct ::wl_surface *surface, uint32_t serial, const QString &app_id)
+    {
+        auto wl = get_activation_token();
+        auto provider = new WaylandXdgActivationTokenV1;
+        provider->init(wl);
+        if (surface) {
+            provider->set_surface(surface);
+        }
+
+        if (!app_id.isEmpty()) {
+            provider->set_app_id(app_id);
+        }
+
+        if (seat) {
+            provider->set_serial(serial, seat);
+        }
+        provider->commit();
+        return provider;
+    }
+};
+
+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("Raise the Window 2");
+    window1.layout()->addWidget(&p);
+    window1.show();
+
+    QWidget window2(nullptr, Qt::Window);
+    window2.setWindowTitle("Window 2");
+    window2.show();
+
+    WaylandXdgActivationV1 activation;
+    QObject::connect(&p, &QPushButton::clicked, &app, [&] {
+        QPlatformNativeInterface *native = qGuiApp->platformNativeInterface();
+        auto seat = static_cast<wl_seat *>(native->nativeResourceForIntegration("wl_seat"));
+        wl_surface *surface = reinterpret_cast<wl_surface *>(native->nativeResourceForWindow(QByteArrayLiteral("surface"), window1.windowHandle()));
+        auto req = activation.requestXdgActivationToken(seat, surface, 0, {});
+        QObject::connect(req, &WaylandXdgActivationTokenV1::done, &app, [&activation, &window2](const QString &token) {
+            window2.show();
+            QPlatformNativeInterface *native = qGuiApp->platformNativeInterface();
+            wl_surface *surface = reinterpret_cast<wl_surface *>(native->nativeResourceForWindow(QByteArrayLiteral("surface"), window2.windowHandle()));
+            activation.activate(token, surface);
+        });
+    });
+
+    return app.exec();
+}
+
+#include "xdgactivationtest-qt5.moc"

tests/xdgactivationtest-qt6.cpp

@@ -0,0 +1,27 @@
+/*
+    SPDX-FileCopyrightText: 2022 Aleix Pol Gonzalez <aleixpol@kde.org>
+    SPDX-FileCopyrightText: 2022 Ilya Fedin <fedin-ilja2010@ya.ru>
+
+    SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+*/
+
+#include <QtWidgets>
+
+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("Raise the Window 2");
+    window1.layout()->addWidget(&p);
+    window1.show();
+
+    QWidget window2(nullptr, Qt::Window);
+    window2.setWindowTitle("Window 2");
+    window2.show();
+
+    QObject::connect(&p, &QPushButton::clicked, window2.windowHandle(), &QWindow::requestActivate);
+
+    return app.exec();
+}