File indexing completed on 2024-11-10 04:58:09

 /*
     SPDX-FileCopyrightText: 2015 Martin Gräßlin <mgraesslin@kde.org>
 
     SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
 */
 #include "KWayland/Client/shadow.h"
 #include "KWayland/Client/compositor.h"
 #include "KWayland/Client/connection_thread.h"
 #include "KWayland/Client/event_queue.h"
 #include "KWayland/Client/registry.h"
 #include "KWayland/Client/shell.h"
 #include "KWayland/Client/shm_pool.h"
 #include "KWayland/Client/surface.h"
 // Qt
 #include <QGuiApplication>
 #include <QImage>
 #include <QThread>
 
 using namespace KWayland::Client;
 
 class ShadowTest : public QObject
 {
     Q_OBJECT
 public:
     explicit ShadowTest(QObject *parent = nullptr);
     virtual ~ShadowTest();
 
     void init();
 
 private:
     void setupRegistry(Registry *registry);
     void setupShadow();
     void render();
     QThread *m_connectionThread;
     ConnectionThread *m_connectionThreadObject;
     EventQueue *m_eventQueue = nullptr;
     Compositor *m_compositor = nullptr;
     Shell *m_shell = nullptr;
     ShellSurface *m_shellSurface = nullptr;
     ShmPool *m_shm = nullptr;
     Surface *m_surface = nullptr;
     ShadowManager *m_shadowManager = nullptr;
 };
 
 ShadowTest::ShadowTest(QObject *parent)
     : QObject(parent)
     , m_connectionThread(new QThread(this))
     , m_connectionThreadObject(new ConnectionThread())
 {
 }
 
 ShadowTest::~ShadowTest()
 {
     m_connectionThread->quit();
     m_connectionThread->wait();
     m_connectionThreadObject->deleteLater();
 }
 
 void ShadowTest::init()
 {
     connect(
         m_connectionThreadObject,
         &ConnectionThread::connected,
         this,
         [this] {
             m_eventQueue = new EventQueue(this);
             m_eventQueue->setup(m_connectionThreadObject);
 
             Registry *registry = new Registry(this);
             setupRegistry(registry);
         },
         Qt::QueuedConnection);
     m_connectionThreadObject->moveToThread(m_connectionThread);
     m_connectionThread->start();
 
     m_connectionThreadObject->initConnection();
 }
 
 void ShadowTest::setupRegistry(Registry *registry)
 {
     connect(registry, &Registry::compositorAnnounced, this, [this, registry](quint32 name, quint32 version) {
         m_compositor = registry->createCompositor(name, version, this);
     });
     connect(registry, &Registry::shellAnnounced, this, [this, registry](quint32 name, quint32 version) {
         m_shell = registry->createShell(name, version, this);
     });
     connect(registry, &Registry::shmAnnounced, this, [this, registry](quint32 name, quint32 version) {
         m_shm = registry->createShmPool(name, version, this);
     });
     connect(registry, &Registry::shadowAnnounced, this, [this, registry](quint32 name, quint32 version) {
         m_shadowManager = registry->createShadowManager(name, version, this);
         m_shadowManager->setEventQueue(m_eventQueue);
     });
     connect(registry, &Registry::interfacesAnnounced, this, [this] {
         Q_ASSERT(m_compositor);
         Q_ASSERT(m_shell);
         Q_ASSERT(m_shm);
         m_surface = m_compositor->createSurface(this);
         Q_ASSERT(m_surface);
         setupShadow();
         m_shellSurface = m_shell->createSurface(m_surface, this);
         Q_ASSERT(m_shellSurface);
         m_shellSurface->setToplevel();
         connect(m_shellSurface, &ShellSurface::sizeChanged, this, &ShadowTest::render);
         render();
     });
     registry->setEventQueue(m_eventQueue);
     registry->create(m_connectionThreadObject);
     registry->setup();
 }
 
 void ShadowTest::setupShadow()
 {
     Q_ASSERT(m_shadowManager);
     Shadow *shadow = m_shadowManager->createShadow(m_surface, this);
     Q_ASSERT(shadow);
 
     auto addElement = [this](const QColor color) {
         const QSize size = QSize(10, 10);
         auto buffer = m_shm->getBuffer(size, size.width() * 4).toStrongRef();
         buffer->setUsed(true);
         QImage image(buffer->address(), size.width(), size.height(), QImage::Format_ARGB32_Premultiplied);
         image.fill(color);
         return buffer;
     };
     shadow->attachTopLeft(addElement(Qt::red));
     shadow->attachTop(addElement(Qt::darkRed));
     shadow->attachTopRight(addElement(Qt::green));
     shadow->attachRight(addElement(Qt::darkGreen));
     shadow->attachBottomRight(addElement(Qt::darkBlue));
     shadow->attachBottom(addElement(Qt::cyan));
     shadow->attachBottomLeft(addElement(Qt::darkCyan));
     shadow->attachLeft(addElement(Qt::magenta));
     shadow->setOffsets(QMarginsF(5, 5, 5, 5));
     shadow->commit();
 }
 
 void ShadowTest::render()
 {
     const QSize &size = m_shellSurface->size().isValid() ? m_shellSurface->size() : QSize(300, 200);
     auto buffer = m_shm->getBuffer(size, size.width() * 4).toStrongRef();
     buffer->setUsed(true);
     QImage image(buffer->address(), size.width(), size.height(), QImage::Format_ARGB32_Premultiplied);
     image.fill(QColor(255, 255, 255, 128));
 
     m_surface->attachBuffer(*buffer);
     m_surface->damage(QRect(QPoint(0, 0), size));
     m_surface->commit(Surface::CommitFlag::None);
     buffer->setUsed(false);
 }
 
 int main(int argc, char **argv)
 {
     QCoreApplication app(argc, argv);
     ShadowTest client;
     client.init();
 
     return app.exec();
 }
 
 #include "shadowtest.moc"