[kwin_wayland] Add a Wayland::Registry class
The Wayland::Registry class wraps wl_registry handling. It keeps track of the interfaces in the registry and emits signals whenever a known interface gets announced or removed. So far it only tracks the interfaces which are used and needed by KWin.
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Martin Gräßlin
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src/wayland/test_wayland_registry.cpp
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src/wayland/test_wayland_registry.cpp
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/********************************************************************
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KWin - the KDE window manager
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This file is part of the KDE project.
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Copyright (C) 2014 Martin Gräßlin <mgraesslin@kde.org>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*********************************************************************/
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// Qt
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#include <QtTest/QtTest>
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// KWin
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#include "../../wayland_client/connection_thread.h"
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#include "../../wayland_client/registry.h"
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// Wayland
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#include <wayland-client-protocol.h>
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class TestWaylandRegistry : public QObject
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{
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Q_OBJECT
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public:
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explicit TestWaylandRegistry(QObject *parent = nullptr);
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private Q_SLOTS:
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void init();
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void cleanup();
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void testCreate();
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void testBindCompositor();
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void testBindShell();
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void testBindOutput();
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void testBindShm();
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void testBindSeat();
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// TODO: add tests for removal - requires more control over the compositor
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private:
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QProcess *m_westonProcess;
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};
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static const QString s_socketName = QStringLiteral("kwin-test-wayland-registry-0");
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TestWaylandRegistry::TestWaylandRegistry(QObject *parent)
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: QObject(parent)
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, m_westonProcess(nullptr)
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{
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}
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void TestWaylandRegistry::init()
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{
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QVERIFY(!m_westonProcess);
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// starts weston
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m_westonProcess = new QProcess(this);
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m_westonProcess->setProgram(QStringLiteral("weston"));
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m_westonProcess->setArguments(QStringList({QStringLiteral("--socket=%1").arg(s_socketName), QStringLiteral("--no-config")}));
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m_westonProcess->start();
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QVERIFY(m_westonProcess->waitForStarted());
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// wait for the socket to appear
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QDir runtimeDir(qgetenv("XDG_RUNTIME_DIR"));
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if (runtimeDir.exists(s_socketName)) {
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return;
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}
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QFileSystemWatcher *socketWatcher = new QFileSystemWatcher(QStringList({runtimeDir.absolutePath()}), this);
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QSignalSpy socketSpy(socketWatcher, SIGNAL(directoryChanged(QString)));
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// limit to maximum of 10 waits
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for (int i = 0; i < 10; ++i) {
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QVERIFY(socketSpy.wait());
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if (runtimeDir.exists(s_socketName)) {
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delete socketWatcher;
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return;
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}
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}
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}
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void TestWaylandRegistry::cleanup()
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{
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// terminates weston
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m_westonProcess->terminate();
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QVERIFY(m_westonProcess->waitForFinished());
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delete m_westonProcess;
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m_westonProcess = nullptr;
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}
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void TestWaylandRegistry::testCreate()
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{
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if (m_westonProcess->state() != QProcess::Running) {
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QSKIP("This test requires a running wayland server");
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}
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KWin::Wayland::ConnectionThread connection;
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QSignalSpy connectedSpy(&connection, SIGNAL(connected()));
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connection.setSocketName(s_socketName);
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connection.initConnection();
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QVERIFY(connectedSpy.wait());
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KWin::Wayland::Registry registry;
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QVERIFY(!registry.isValid());
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registry.create(connection.display());
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QVERIFY(registry.isValid());
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registry.release();
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QVERIFY(!registry.isValid());
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}
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#define TEST_BIND(interface, signalName, bindMethod, destroyFunction) \
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if (m_westonProcess->state() != QProcess::Running) { \
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QSKIP("This test requires a running wayland server"); \
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} \
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KWin::Wayland::ConnectionThread connection; \
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QSignalSpy connectedSpy(&connection, SIGNAL(connected())); \
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connection.setSocketName(s_socketName); \
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connection.initConnection(); \
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QVERIFY(connectedSpy.wait()); \
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\
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KWin::Wayland::Registry registry; \
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/* before registry is created, we cannot bind the interface*/ \
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QVERIFY(!registry.bindMethod(0, 0)); \
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\
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QVERIFY(!registry.isValid()); \
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registry.create(connection.display()); \
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QVERIFY(registry.isValid()); \
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/* created but not yet connected still results in no bind */ \
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QVERIFY(!registry.bindMethod(0, 0)); \
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\
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/* now lets register */ \
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QSignalSpy announced(®istry, signalName); \
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QVERIFY(announced.isValid()); \
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registry.setup(); \
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wl_display_flush(connection.display()); \
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QVERIFY(announced.wait()); \
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const quint32 name = announced.first().first().value<quint32>(); \
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const quint32 version = announced.first().last().value<quint32>(); \
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\
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/* registry should now about the interface now */ \
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QVERIFY(registry.hasInterface(interface)); \
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QVERIFY(!registry.bindMethod(name+1, version)); \
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QVERIFY(!registry.bindMethod(name, version+1)); \
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auto *c = registry.bindMethod(name, version); \
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QVERIFY(c); \
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destroyFunction(c); \
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void TestWaylandRegistry::testBindCompositor()
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{
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TEST_BIND(KWin::Wayland::Registry::Interface::Compositor, SIGNAL(compositorAnnounced(quint32,quint32)), bindCompositor, wl_compositor_destroy)
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}
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void TestWaylandRegistry::testBindShell()
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{
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TEST_BIND(KWin::Wayland::Registry::Interface::Shell, SIGNAL(shellAnnounced(quint32,quint32)), bindShell, free)
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}
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void TestWaylandRegistry::testBindOutput()
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{
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TEST_BIND(KWin::Wayland::Registry::Interface::Output, SIGNAL(outputAnnounced(quint32,quint32)), bindOutput, wl_output_destroy)
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}
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void TestWaylandRegistry::testBindSeat()
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{
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TEST_BIND(KWin::Wayland::Registry::Interface::Seat, SIGNAL(seatAnnounced(quint32,quint32)), bindSeat, wl_seat_destroy)
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}
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void TestWaylandRegistry::testBindShm()
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{
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TEST_BIND(KWin::Wayland::Registry::Interface::Shm, SIGNAL(shmAnnounced(quint32,quint32)), bindShm, wl_shm_destroy)
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}
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#undef TEST_BIND
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QTEST_MAIN(TestWaylandRegistry)
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#include "test_wayland_registry.moc"
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