File indexing completed on 2024-05-05 05:33:36

 /*
     SPDX-FileCopyrightText: 2014, 2015 Martin Gräßlin <mgraesslin@kde.org>
 
     SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
 */
 #include "touchclienttest.h"
 // KWin::Wayland
 #include <KWayland/Client/buffer.h>
 #include <KWayland/Client/compositor.h>
 #include <KWayland/Client/connection_thread.h>
 #include <KWayland/Client/event_queue.h>
 #include <KWayland/Client/keyboard.h>
 #include <KWayland/Client/output.h>
 #include <KWayland/Client/pointer.h>
 #include <KWayland/Client/registry.h>
 #include <KWayland/Client/seat.h>
 #include <KWayland/Client/shell.h>
 #include <KWayland/Client/shm_pool.h>
 #include <KWayland/Client/surface.h>
 #include <KWayland/Client/touch.h>
 // Qt
 #include <QAbstractEventDispatcher>
 #include <QCoreApplication>
 #include <QDebug>
 #include <QImage>
 #include <QPainter>
 #include <QThread>
 #include <QTimer>
 
 #include <linux/input.h>
 
 using namespace KWayland::Client;
 
 static Qt::GlobalColor s_colors[] = {Qt::white, Qt::red, Qt::green, Qt::blue, Qt::black};
 static int s_colorIndex = 0;
 
 WaylandClientTest::WaylandClientTest(QObject *parent)
     : QObject(parent)
     , m_connectionThread(new QThread(this))
     , m_connectionThreadObject(new ConnectionThread(nullptr))
     , m_eventQueue(nullptr)
     , m_compositor(nullptr)
     , m_output(nullptr)
     , m_surface(nullptr)
     , m_shm(nullptr)
     , m_timer(new QTimer(this))
 {
     init();
 }
 
 WaylandClientTest::~WaylandClientTest()
 {
     m_connectionThread->quit();
     m_connectionThread->wait();
     m_connectionThreadObject->deleteLater();
 }
 
 void WaylandClientTest::init()
 {
     connect(
         m_connectionThreadObject,
         &ConnectionThread::connected,
         this,
         [this]() {
             // create the event queue for the main gui thread
             m_eventQueue = new EventQueue(this);
             m_eventQueue->setup(m_connectionThreadObject);
             // setup registry
             Registry *registry = new Registry(this);
             setupRegistry(registry);
         },
         Qt::QueuedConnection);
 
     m_connectionThreadObject->moveToThread(m_connectionThread);
     m_connectionThread->start();
 
     m_connectionThreadObject->initConnection();
 
     connect(m_timer, &QTimer::timeout, this, [this]() {
         s_colorIndex = (s_colorIndex + 1) % 5;
         render();
     });
     m_timer->setInterval(1000);
     m_timer->start();
 }
 
 void WaylandClientTest::setupRegistry(Registry *registry)
 {
     connect(registry, &Registry::compositorAnnounced, this, [this, registry](quint32 name) {
         m_compositor = registry->createCompositor(name, 1, this);
         m_surface = m_compositor->createSurface(this);
     });
     connect(registry, &Registry::shellAnnounced, this, [this, registry](quint32 name) {
         Shell *shell = registry->createShell(name, 1, this);
         ShellSurface *shellSurface = shell->createSurface(m_surface, m_surface);
         shellSurface->setToplevel();
         render(QSize(400, 200));
     });
     connect(registry, &Registry::outputAnnounced, this, [this, registry](quint32 name) {
         if (m_output) {
             return;
         }
         m_output = registry->createOutput(name, 2, this);
     });
     connect(registry, &Registry::shmAnnounced, this, [this, registry](quint32 name) {
         m_shm = registry->createShmPool(name, 1, this);
     });
     connect(registry, &Registry::seatAnnounced, this, [this, registry](quint32 name) {
         Seat *s = registry->createSeat(name, 2, this);
         connect(s, &Seat::hasKeyboardChanged, this, [this, s](bool has) {
             if (!has) {
                 return;
             }
             Keyboard *k = s->createKeyboard(this);
             connect(k, &Keyboard::keyChanged, this, [](quint32 key, Keyboard::KeyState state) {
                 if (key == KEY_Q && state == Keyboard::KeyState::Released) {
                     QCoreApplication::instance()->quit();
                 }
             });
         });
         connect(s, &Seat::hasPointerChanged, this, [this, s](bool has) {
             if (!has) {
                 return;
             }
             Pointer *p = s->createPointer(this);
             connect(p, &Pointer::buttonStateChanged, this, [this](quint32 serial, quint32 time, quint32 button, Pointer::ButtonState state) {
                 if (state == Pointer::ButtonState::Released) {
                     if (button == BTN_LEFT) {
                         if (m_timer->isActive()) {
                             m_timer->stop();
                         } else {
                             m_timer->start();
                         }
                     }
                     if (button == BTN_RIGHT) {
                         QCoreApplication::instance()->quit();
                     }
                 }
             });
         });
         connect(s, &Seat::hasTouchChanged, this, [this, s](bool has) {
             if (!has) {
                 return;
             }
             Touch *t = s->createTouch(this);
             connect(t, &Touch::sequenceStarted, this, [](KWayland::Client::TouchPoint *startPoint) {
                 qDebug() << "Touch sequence started at" << startPoint->position() << "with id" << startPoint->id();
             });
             connect(t, &Touch::sequenceCanceled, this, []() {
                 qDebug() << "Touch sequence canceled";
             });
             connect(t, &Touch::sequenceEnded, this, []() {
                 qDebug() << "Touch sequence finished";
             });
             connect(t, &Touch::frameEnded, this, []() {
                 qDebug() << "End of touch contact point list";
             });
             connect(t, &Touch::pointAdded, this, [](KWayland::Client::TouchPoint *point) {
                 qDebug() << "Touch point added at" << point->position() << "with id" << point->id();
             });
             connect(t, &Touch::pointRemoved, this, [](KWayland::Client::TouchPoint *point) {
                 qDebug() << "Touch point " << point->id() << " removed at" << point->position();
             });
             connect(t, &Touch::pointMoved, this, [](KWayland::Client::TouchPoint *point) {
                 qDebug() << "Touch point " << point->id() << " moved to" << point->position();
             });
         });
     });
     registry->create(m_connectionThreadObject->display());
     registry->setEventQueue(m_eventQueue);
     registry->setup();
 }
 
 void WaylandClientTest::render(const QSize &size)
 {
     m_currentSize = size;
     render();
 }
 
 void WaylandClientTest::render()
 {
     if (!m_shm || !m_surface || !m_surface->isValid() || !m_currentSize.isValid()) {
         return;
     }
     auto buffer = m_shm->getBuffer(m_currentSize, m_currentSize.width() * 4).toStrongRef();
     buffer->setUsed(true);
     QImage image(buffer->address(), m_currentSize.width(), m_currentSize.height(), QImage::Format_ARGB32_Premultiplied);
     image.fill(s_colors[s_colorIndex]);
 
     m_surface->attachBuffer(*buffer);
     m_surface->damage(QRect(QPoint(0, 0), m_currentSize));
     m_surface->commit(Surface::CommitFlag::None);
     buffer->setUsed(false);
 }
 
 int main(int argc, char **argv)
 {
     QCoreApplication app(argc, argv);
 
     new WaylandClientTest(&app);
 
     return app.exec();
 }
 
 #include "moc_touchclienttest.cpp"