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

 /*
     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/compositor.h"
 #include "KWayland/Client/connection_thread.h"
 #include "KWayland/Client/event_queue.h"
 #include "KWayland/Client/pointer.h"
 #include "KWayland/Client/registry.h"
 #include "KWayland/Client/seat.h"
 #include "KWayland/Client/shadow.h"
 #include "KWayland/Client/shell.h"
 #include "KWayland/Client/shm_pool.h"
 #include "KWayland/Client/surface.h"
 #include "KWayland/Client/xdgshell.h"
 // Qt
 #include <QGuiApplication>
 #include <QImage>
 #include <QPainter>
 #include <QThread>
 
 using namespace KWayland::Client;
 
 class XdgTest : public QObject
 {
     Q_OBJECT
 public:
     explicit XdgTest(QObject *parent = nullptr);
     virtual ~XdgTest();
 
     void init();
 
 private:
     void setupRegistry(Registry *registry);
     void createPopup();
     void render();
     void renderPopup();
     QThread *m_connectionThread;
     ConnectionThread *m_connectionThreadObject;
     EventQueue *m_eventQueue = nullptr;
     Compositor *m_compositor = nullptr;
     ShmPool *m_shm = nullptr;
     Surface *m_surface = nullptr;
     XdgShell *m_xdgShell = nullptr;
     XdgShellSurface *m_xdgShellSurface = nullptr;
     Surface *m_popupSurface = nullptr;
     XdgShellPopup *m_xdgShellPopup = nullptr;
 };
 
 XdgTest::XdgTest(QObject *parent)
     : QObject(parent)
     , m_connectionThread(new QThread(this))
     , m_connectionThreadObject(new ConnectionThread())
 {
 }
 
 XdgTest::~XdgTest()
 {
     m_connectionThread->quit();
     m_connectionThread->wait();
     m_connectionThreadObject->deleteLater();
 }
 
 void XdgTest::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 XdgTest::setupRegistry(Registry *registry)
 {
     connect(registry, &Registry::compositorAnnounced, this, [this, registry](quint32 name, quint32 version) {
         m_compositor = registry->createCompositor(name, version, this);
     });
     connect(registry, &Registry::shmAnnounced, this, [this, registry](quint32 name, quint32 version) {
         m_shm = registry->createShmPool(name, version, this);
     });
     connect(registry, &Registry::xdgShellUnstableV6Announced, this, [this, registry](quint32 name, quint32 version) {
         m_xdgShell = registry->createXdgShell(name, version, this);
         m_xdgShell->setEventQueue(m_eventQueue);
     });
     connect(registry, &Registry::interfacesAnnounced, this, [this] {
         Q_ASSERT(m_compositor);
         Q_ASSERT(m_xdgShell);
         Q_ASSERT(m_shm);
         m_surface = m_compositor->createSurface(this);
         Q_ASSERT(m_surface);
         m_xdgShellSurface = m_xdgShell->createSurface(m_surface, this);
         Q_ASSERT(m_xdgShellSurface);
         connect(m_xdgShellSurface,
                 &XdgShellSurface::configureRequested,
                 this,
                 [this](const QSize &size, KWayland::Client::XdgShellSurface::States states, int serial) {
                     m_xdgShellSurface->ackConfigure(serial);
                     render();
                 });
 
         m_xdgShellSurface->setTitle(QStringLiteral("Test Window"));
 
         m_surface->commit();
     });
     connect(registry, &Registry::seatAnnounced, this, [this, registry](quint32 name) {
         Seat *s = registry->createSeat(name, 2, this);
         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 (m_popupSurface) {
                         m_popupSurface->deleteLater();
                         m_popupSurface = nullptr;
                     } else {
                         createPopup();
                     }
                 }
             });
         });
     });
 
     registry->setEventQueue(m_eventQueue);
     registry->create(m_connectionThreadObject);
     registry->setup();
 }
 
 void XdgTest::createPopup()
 {
     if (m_popupSurface) {
         m_popupSurface->deleteLater();
     }
 
     m_popupSurface = m_compositor->createSurface(this);
 
     XdgPositioner positioner(QSize(200, 200), QRect(50, 50, 400, 400));
     positioner.setAnchorEdge(Qt::BottomEdge | Qt::RightEdge);
     positioner.setGravity(Qt::BottomEdge);
     positioner.setConstraints(XdgPositioner::Constraint::FlipX | XdgPositioner::Constraint::SlideY);
     m_xdgShellPopup = m_xdgShell->createPopup(m_popupSurface, m_xdgShellSurface, positioner, m_popupSurface);
     renderPopup();
 }
 
 void XdgTest::render()
 {
     const QSize &size = m_xdgShellSurface->size().isValid() ? m_xdgShellSurface->size() : QSize(500, 500);
     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, 255));
     // draw a red rectangle indicating the anchor of the top level
     QPainter painter(&image);
     painter.setBrush(Qt::red);
     painter.setPen(Qt::black);
     painter.drawRect(50, 50, 400, 400);
 
     m_surface->attachBuffer(*buffer);
     m_surface->damage(QRect(QPoint(0, 0), size));
     m_surface->commit(Surface::CommitFlag::None);
     buffer->setUsed(false);
 }
 
 void XdgTest::renderPopup()
 {
     QSize size(200, 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(0, 0, 255, 255));
 
     m_popupSurface->attachBuffer(*buffer);
     m_popupSurface->damage(QRect(QPoint(0, 0), size));
     m_popupSurface->commit(Surface::CommitFlag::None);
     buffer->setUsed(false);
 }
 
 int main(int argc, char **argv)
 {
     QCoreApplication app(argc, argv);
     XdgTest client;
     client.init();
 
     return app.exec();
 }
 
 #include "xdgtest.moc"