| /**************************************************************************** |
| ** |
| ** Copyright (C) 2017 Pier Luigi Fiorini <pierluigi.fiorini@gmail.com> |
| ** Copyright (C) 2017 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the QtWaylandCompositor module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:GPL$ |
| ** Commercial License Usage |
| ** Licensees holding valid commercial Qt licenses may use this file in |
| ** accordance with the commercial license agreement provided with the |
| ** Software or, alternatively, in accordance with the terms contained in |
| ** a written agreement between you and The Qt Company. For licensing terms |
| ** and conditions see https://www.qt.io/terms-conditions. For further |
| ** information use the contact form at https://www.qt.io/contact-us. |
| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 3 or (at your option) any later version |
| ** approved by the KDE Free Qt Foundation. The licenses are as published by |
| ** the Free Software Foundation and appearing in the file LICENSE.GPL3 |
| ** included in the packaging of this file. Please review the following |
| ** information to ensure the GNU General Public License requirements will |
| ** be met: https://www.gnu.org/licenses/gpl-3.0.html. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #include "qtwaylandcompositorglobal_p.h" |
| #include "qwaylandcompositor.h" |
| #include "qwaylandcompositor_p.h" |
| |
| #include <QtWaylandCompositor/qwaylandclient.h> |
| #include <QtWaylandCompositor/qwaylandseat.h> |
| #include <QtWaylandCompositor/qwaylandoutput.h> |
| #include <QtWaylandCompositor/qwaylandview.h> |
| #include <QtWaylandCompositor/qwaylandclient.h> |
| #include <QtWaylandCompositor/qwaylandkeyboard.h> |
| #include <QtWaylandCompositor/qwaylandpointer.h> |
| #include <QtWaylandCompositor/qwaylandtouch.h> |
| #include <QtWaylandCompositor/qwaylandsurfacegrabber.h> |
| |
| #include <QtWaylandCompositor/private/qwaylandkeyboard_p.h> |
| #include <QtWaylandCompositor/private/qwaylandsurface_p.h> |
| |
| #if QT_CONFIG(wayland_datadevice) |
| #include "wayland_wrapper/qwldatadevice_p.h" |
| #include "wayland_wrapper/qwldatadevicemanager_p.h" |
| #endif |
| #include "wayland_wrapper/qwlbuffermanager_p.h" |
| |
| #include "hardware_integration/qwlclientbufferintegration_p.h" |
| #include "hardware_integration/qwlclientbufferintegrationfactory_p.h" |
| #include "hardware_integration/qwlserverbufferintegration_p.h" |
| #include "hardware_integration/qwlserverbufferintegrationfactory_p.h" |
| |
| #if QT_CONFIG(opengl) |
| #include "hardware_integration/qwlhwintegration_p.h" |
| #endif |
| |
| #include "extensions/qwaylandqtwindowmanager.h" |
| |
| #include "qwaylandsharedmemoryformathelper_p.h" |
| |
| #include <QtCore/QCoreApplication> |
| #include <QtCore/QStringList> |
| #include <QtCore/QSocketNotifier> |
| |
| #include <QtGui/QDesktopServices> |
| #include <QtGui/QScreen> |
| |
| #include <QtGui/qpa/qwindowsysteminterface_p.h> |
| #include <QtGui/qpa/qplatformnativeinterface.h> |
| #include <QtGui/private/qguiapplication_p.h> |
| |
| #if QT_CONFIG(opengl) |
| # include <QOpenGLTextureBlitter> |
| # include <QOpenGLTexture> |
| # include <QOpenGLContext> |
| # include <QOpenGLFramebufferObject> |
| # include <QMatrix4x4> |
| #endif |
| |
| QT_BEGIN_NAMESPACE |
| |
| Q_LOGGING_CATEGORY(qLcWaylandCompositor, "qt.waylandcompositor") |
| Q_LOGGING_CATEGORY(qLcWaylandCompositorHardwareIntegration, "qt.waylandcompositor.hardwareintegration") |
| Q_LOGGING_CATEGORY(qLcWaylandCompositorInputMethods, "qt.waylandcompositor.inputmethods") |
| |
| namespace QtWayland { |
| |
| class WindowSystemEventHandler : public QWindowSystemEventHandler |
| { |
| public: |
| WindowSystemEventHandler(QWaylandCompositor *c) : compositor(c) {} |
| bool sendEvent(QWindowSystemInterfacePrivate::WindowSystemEvent *e) override |
| { |
| if (e->type == QWindowSystemInterfacePrivate::Key) { |
| QWindowSystemInterfacePrivate::KeyEvent *keyEvent = static_cast<QWindowSystemInterfacePrivate::KeyEvent *>(e); |
| handleKeyEvent(keyEvent); |
| } else { |
| QWindowSystemEventHandler::sendEvent(e); |
| } |
| return true; |
| } |
| |
| void handleKeyEvent(QWindowSystemInterfacePrivate::KeyEvent *ke) |
| { |
| auto *seat = compositor->defaultSeat(); |
| if (!seat) |
| return; |
| |
| QWaylandKeyboardPrivate *keyb = QWaylandKeyboardPrivate::get(seat->keyboard()); |
| |
| uint32_t code = ke->nativeScanCode; |
| bool isDown = ke->keyType == QEvent::KeyPress; |
| |
| #if QT_CONFIG(xkbcommon) |
| xkb_state *xkbState = keyb->xkbState(); |
| Qt::KeyboardModifiers modifiers = QXkbCommon::modifiers(xkbState); |
| |
| const xkb_keysym_t sym = xkb_state_key_get_one_sym(xkbState, code); |
| int qtkey = QXkbCommon::keysymToQtKey(sym, modifiers, xkbState, code); |
| QString text = QXkbCommon::lookupString(xkbState, code); |
| |
| ke->key = qtkey; |
| ke->modifiers = modifiers; |
| ke->nativeVirtualKey = sym; |
| ke->nativeModifiers = keyb->xkbModsMask(); |
| ke->unicode = text; |
| #endif |
| if (!ke->repeat) |
| keyb->keyEvent(code, isDown ? WL_KEYBOARD_KEY_STATE_PRESSED : WL_KEYBOARD_KEY_STATE_RELEASED); |
| |
| QWindowSystemEventHandler::sendEvent(ke); |
| |
| if (!ke->repeat) { |
| keyb->maybeUpdateKeymap(); |
| keyb->updateModifierState(code, isDown ? WL_KEYBOARD_KEY_STATE_PRESSED : WL_KEYBOARD_KEY_STATE_RELEASED); |
| } |
| } |
| |
| QWaylandCompositor *compositor = nullptr; |
| }; |
| |
| } // namespace |
| |
| QWaylandCompositorPrivate::QWaylandCompositorPrivate(QWaylandCompositor *compositor) |
| { |
| if (QGuiApplication::platformNativeInterface()) |
| display = static_cast<wl_display*>(QGuiApplication::platformNativeInterface()->nativeResourceForIntegration("server_wl_display")); |
| |
| if (!display) { |
| display = wl_display_create(); |
| ownsDisplay = true; |
| } |
| |
| eventHandler.reset(new QtWayland::WindowSystemEventHandler(compositor)); |
| timer.start(); |
| |
| QWindowSystemInterfacePrivate::installWindowSystemEventHandler(eventHandler.data()); |
| |
| #if QT_CONFIG(xkbcommon) |
| mXkbContext.reset(xkb_context_new(XKB_CONTEXT_NO_FLAGS)); |
| if (!mXkbContext) { |
| qWarning("Failed to create a XKB context: keymap will not be supported"); |
| return; |
| } |
| #endif |
| } |
| |
| void QWaylandCompositorPrivate::init() |
| { |
| Q_Q(QWaylandCompositor); |
| QStringList arguments = QCoreApplication::instance()->arguments(); |
| |
| if (socket_name.isEmpty()) { |
| const int socketArg = arguments.indexOf(QLatin1String("--wayland-socket-name")); |
| if (socketArg != -1 && socketArg + 1 < arguments.size()) |
| socket_name = arguments.at(socketArg + 1).toLocal8Bit(); |
| } |
| wl_compositor::init(display, 3); |
| wl_subcompositor::init(display, 1); |
| |
| #if QT_CONFIG(wayland_datadevice) |
| data_device_manager = new QtWayland::DataDeviceManager(q); |
| #endif |
| buffer_manager = new QtWayland::BufferManager(q); |
| |
| wl_display_init_shm(display); |
| const QVector<wl_shm_format> formats = QWaylandSharedMemoryFormatHelper::supportedWaylandFormats(); |
| for (wl_shm_format format : formats) |
| wl_display_add_shm_format(display, format); |
| |
| if (!socket_name.isEmpty()) { |
| if (wl_display_add_socket(display, socket_name.constData())) |
| qFatal("Fatal: Failed to open server socket\n"); |
| } else { |
| const char *autoSocketName = wl_display_add_socket_auto(display); |
| if (!autoSocketName) |
| qFatal("Fatal: Failed to open server socket\n"); |
| socket_name = autoSocketName; |
| emit q->socketNameChanged(socket_name); |
| } |
| |
| #if WAYLAND_VERSION_MAJOR >= 1 && (WAYLAND_VERSION_MAJOR != 1 || WAYLAND_VERSION_MINOR >= 10) |
| connectToExternalSockets(); |
| #endif |
| |
| loop = wl_display_get_event_loop(display); |
| |
| int fd = wl_event_loop_get_fd(loop); |
| |
| QSocketNotifier *sockNot = new QSocketNotifier(fd, QSocketNotifier::Read, q); |
| QObject::connect(sockNot, SIGNAL(activated(int)), q, SLOT(processWaylandEvents())); |
| |
| QAbstractEventDispatcher *dispatcher = QGuiApplicationPrivate::eventDispatcher; |
| QObject::connect(dispatcher, SIGNAL(aboutToBlock()), q, SLOT(processWaylandEvents())); |
| |
| initializeHardwareIntegration(); |
| initializeSeats(); |
| |
| initialized = true; |
| |
| for (const QPointer<QObject> &object : qExchange(polish_objects, {})) { |
| if (object) { |
| QEvent polishEvent(QEvent::Polish); |
| QCoreApplication::sendEvent(object.data(), &polishEvent); |
| } |
| } |
| |
| emit q->createdChanged(); |
| } |
| |
| QWaylandCompositorPrivate::~QWaylandCompositorPrivate() |
| { |
| // Take copies, since the lists will get modified as elements are deleted |
| const auto clientsToDelete = clients; |
| qDeleteAll(clientsToDelete); |
| |
| const auto outputsToDelete = outputs; |
| qDeleteAll(outputsToDelete); |
| |
| #if QT_CONFIG(wayland_datadevice) |
| delete data_device_manager; |
| #endif |
| |
| #if QT_CONFIG(opengl) |
| // Some client buffer integrations need to clean up before the destroying the wl_display |
| client_buffer_integration.reset(); |
| #endif |
| |
| if (ownsDisplay) |
| wl_display_destroy(display); |
| } |
| |
| void QWaylandCompositorPrivate::preInit() |
| { |
| Q_Q(QWaylandCompositor); |
| |
| if (preInitialized) |
| return; |
| |
| if (seats.empty()) |
| seats.append(q->createSeat()); |
| |
| preInitialized = true; |
| } |
| |
| void QWaylandCompositorPrivate::destroySurface(QWaylandSurface *surface) |
| { |
| Q_Q(QWaylandCompositor); |
| q->surfaceAboutToBeDestroyed(surface); |
| |
| delete surface; |
| } |
| |
| void QWaylandCompositorPrivate::unregisterSurface(QWaylandSurface *surface) |
| { |
| if (!all_surfaces.removeOne(surface)) |
| qWarning("%s Unexpected state. Cant find registered surface\n", Q_FUNC_INFO); |
| } |
| |
| void QWaylandCompositorPrivate::feedRetainedSelectionData(QMimeData *data) |
| { |
| Q_Q(QWaylandCompositor); |
| if (retainSelection) |
| q->retainedSelectionReceived(data); |
| } |
| |
| void QWaylandCompositorPrivate::addPolishObject(QObject *object) |
| { |
| if (initialized) { |
| QCoreApplication::postEvent(object, new QEvent(QEvent::Polish)); |
| } else { |
| polish_objects.push_back(object); |
| } |
| } |
| |
| #if WAYLAND_VERSION_MAJOR >= 1 && (WAYLAND_VERSION_MAJOR != 1 || WAYLAND_VERSION_MINOR >= 10) |
| void QWaylandCompositorPrivate::connectToExternalSockets() |
| { |
| // Clear out any backlog of user-supplied external socket descriptors |
| for (int fd : qAsConst(externally_added_socket_fds)) { |
| if (wl_display_add_socket_fd(display, fd) != 0) |
| qWarning() << "Failed to integrate user-supplied socket fd into the Wayland event loop"; |
| } |
| externally_added_socket_fds.clear(); |
| } |
| #endif |
| |
| void QWaylandCompositorPrivate::compositor_create_surface(wl_compositor::Resource *resource, uint32_t id) |
| { |
| Q_Q(QWaylandCompositor); |
| QWaylandClient *client = QWaylandClient::fromWlClient(q, resource->client()); |
| emit q->surfaceRequested(client, id, resource->version()); |
| #ifndef QT_NO_DEBUG |
| Q_ASSERT_X(!QWaylandSurfacePrivate::hasUninitializedSurface(), "QWaylandCompositor", QStringLiteral("Found uninitialized QWaylandSurface after emitting QWaylandCompositor::createSurface for id %1. All surfaces has to be initialized immediately after creation. See QWaylandSurface::initialize.").arg(id).toLocal8Bit().constData()); |
| #endif |
| struct wl_resource *surfResource = wl_client_get_object(client->client(), id); |
| |
| QWaylandSurface *surface = nullptr; |
| if (surfResource) { |
| surface = QWaylandSurface::fromResource(surfResource); |
| } else { |
| surface = createDefaultSurface(); |
| surface->initialize(q, client, id, resource->version()); |
| } |
| Q_ASSERT(surface); |
| all_surfaces.append(surface); |
| emit q->surfaceCreated(surface); |
| } |
| |
| void QWaylandCompositorPrivate::compositor_create_region(wl_compositor::Resource *resource, uint32_t id) |
| { |
| new QtWayland::Region(resource->client(), id); |
| } |
| |
| void QWaylandCompositorPrivate::subcompositor_get_subsurface(wl_subcompositor::Resource *resource, uint32_t id, wl_resource *surface, wl_resource *parent) |
| { |
| Q_Q(QWaylandCompositor); |
| QWaylandSurface *childSurface = QWaylandSurface::fromResource(surface); |
| QWaylandSurface *parentSurface = QWaylandSurface::fromResource(parent); |
| QWaylandSurfacePrivate::get(childSurface)->initSubsurface(parentSurface, resource->client(), id, 1); |
| QWaylandSurfacePrivate::get(parentSurface)->subsurfaceChildren.append(childSurface); |
| emit q->subsurfaceChanged(childSurface, parentSurface); |
| } |
| |
| /*! |
| \internal |
| Used to create a fallback QWaylandSurface when no surface was |
| created by emitting the QWaylandCompositor::createSurface signal. |
| */ |
| QWaylandSurface *QWaylandCompositorPrivate::createDefaultSurface() |
| { |
| return new QWaylandSurface(); |
| } |
| |
| |
| void QWaylandCompositorPrivate::initializeHardwareIntegration() |
| { |
| #if QT_CONFIG(opengl) |
| Q_Q(QWaylandCompositor); |
| if (use_hw_integration_extension) |
| hw_integration.reset(new QtWayland::HardwareIntegration(q)); |
| |
| loadClientBufferIntegration(); |
| loadServerBufferIntegration(); |
| #endif |
| } |
| |
| void QWaylandCompositorPrivate::initializeSeats() |
| { |
| for (QWaylandSeat *seat : qAsConst(seats)) |
| seat->initialize(); |
| } |
| |
| void QWaylandCompositorPrivate::loadClientBufferIntegration() |
| { |
| #if QT_CONFIG(opengl) |
| Q_Q(QWaylandCompositor); |
| QStringList keys = QtWayland::ClientBufferIntegrationFactory::keys(); |
| QString targetKey; |
| QByteArray clientBufferIntegration = qgetenv("QT_WAYLAND_HARDWARE_INTEGRATION"); |
| if (clientBufferIntegration.isEmpty()) |
| clientBufferIntegration = qgetenv("QT_WAYLAND_CLIENT_BUFFER_INTEGRATION"); |
| if (keys.contains(QString::fromLocal8Bit(clientBufferIntegration.constData()))) { |
| targetKey = QString::fromLocal8Bit(clientBufferIntegration.constData()); |
| } else if (keys.contains(QString::fromLatin1("wayland-egl"))) { |
| targetKey = QString::fromLatin1("wayland-egl"); |
| } else if (!keys.isEmpty()) { |
| targetKey = keys.first(); |
| } |
| |
| if (!targetKey.isEmpty()) { |
| client_buffer_integration.reset(QtWayland::ClientBufferIntegrationFactory::create(targetKey, QStringList())); |
| if (client_buffer_integration) { |
| qCDebug(qLcWaylandCompositorHardwareIntegration) << "Loaded client buffer integration:" << targetKey; |
| client_buffer_integration->setCompositor(q); |
| if (!client_buffer_integration->initializeHardware(display)) { |
| qCWarning(qLcWaylandCompositorHardwareIntegration) |
| << "Failed to initialize hardware for client buffer integration:" << targetKey; |
| client_buffer_integration.reset(); |
| } |
| } else { |
| qCWarning(qLcWaylandCompositorHardwareIntegration) |
| << "Failed to load client buffer integration:" << targetKey; |
| } |
| } |
| |
| if (!client_buffer_integration) { |
| qCWarning(qLcWaylandCompositorHardwareIntegration) |
| << "No client buffer integration was loaded, this means that clients will fall back" |
| << "to use CPU buffers (wl_shm) for transmitting buffers instead of using zero-copy" |
| << "GPU buffer handles. Expect serious performance impact with OpenGL clients due" |
| << "to potentially multiple copies between CPU and GPU memory per buffer.\n" |
| << "See the QtWayland readme for more info about how to build and configure Qt for" |
| << "your device."; |
| return; |
| } |
| |
| if (client_buffer_integration && hw_integration) |
| hw_integration->setClientBufferIntegration(targetKey); |
| #endif |
| } |
| |
| void QWaylandCompositorPrivate::loadServerBufferIntegration() |
| { |
| #if QT_CONFIG(opengl) |
| Q_Q(QWaylandCompositor); |
| QStringList keys = QtWayland::ServerBufferIntegrationFactory::keys(); |
| QString targetKey; |
| QByteArray serverBufferIntegration = qgetenv("QT_WAYLAND_SERVER_BUFFER_INTEGRATION"); |
| if (keys.contains(QString::fromLocal8Bit(serverBufferIntegration.constData()))) { |
| targetKey = QString::fromLocal8Bit(serverBufferIntegration.constData()); |
| } |
| if (!targetKey.isEmpty()) { |
| server_buffer_integration.reset(QtWayland::ServerBufferIntegrationFactory::create(targetKey, QStringList())); |
| if (server_buffer_integration) { |
| qCDebug(qLcWaylandCompositorHardwareIntegration) |
| << "Loaded server buffer integration:" << targetKey; |
| if (!server_buffer_integration->initializeHardware(q)) { |
| qCWarning(qLcWaylandCompositorHardwareIntegration) |
| << "Failed to initialize hardware for server buffer integration:" << targetKey; |
| server_buffer_integration.reset(); |
| } |
| } else { |
| qCWarning(qLcWaylandCompositorHardwareIntegration) |
| << "Failed to load server buffer integration:" << targetKey; |
| } |
| } |
| |
| if (server_buffer_integration && hw_integration) |
| hw_integration->setServerBufferIntegration(targetKey); |
| #endif |
| } |
| |
| /*! |
| \qmltype WaylandCompositor |
| \inqmlmodule QtWayland.Compositor |
| \since 5.8 |
| \brief Manages the Wayland display server. |
| |
| The WaylandCompositor manages the connections to the clients, as well as the different |
| \l{WaylandOutput}{outputs} and \l{QWaylandSeat}{seats}. |
| |
| Normally, a compositor application will have a single WaylandCompositor |
| instance, which can have several outputs as children. When a client |
| requests the compositor to create a surface, the request is handled by |
| the onSurfaceRequested handler. |
| |
| Extensions that are supported by the compositor should be instantiated and added to the |
| extensions property. |
| */ |
| |
| |
| /*! |
| \class QWaylandCompositor |
| \inmodule QtWaylandCompositor |
| \since 5.8 |
| \brief The QWaylandCompositor class manages the Wayland display server. |
| |
| The QWaylandCompositor manages the connections to the clients, as well as the different \l{QWaylandOutput}{outputs} |
| and \l{QWaylandSeat}{seats}. |
| |
| Normally, a compositor application will have a single WaylandCompositor |
| instance, which can have several outputs as children. |
| */ |
| |
| /*! |
| \qmlsignal void QtWaylandCompositor::WaylandCompositor::surfaceRequested(WaylandClient client, int id, int version) |
| |
| This signal is emitted when a \a client has created a surface with id \a id. |
| The interface \a version is also available. |
| |
| The slot connecting to this signal may create and initialize a WaylandSurface |
| instance in the scope of the slot. Otherwise a default surface is created. |
| */ |
| |
| /*! |
| \fn void QWaylandCompositor::surfaceRequested(QWaylandClient *client, uint id, int version) |
| |
| This signal is emitted when a \a client has created a surface with id \a id. |
| The interface \a version is also available. |
| |
| The slot connecting to this signal may create and initialize a QWaylandSurface |
| instance in the scope of the slot. Otherwise a default surface is created. |
| |
| Connections to this signal must be of Qt::DirectConnection connection type. |
| */ |
| |
| /*! |
| \qmlsignal void QtWaylandCompositor::WaylandCompositor::surfaceCreated(WaylandSurface surface) |
| |
| This signal is emitted when a new WaylandSurface instance \a surface has been created. |
| */ |
| |
| /*! |
| \fn void QWaylandCompositor::surfaceCreated(QWaylandSurface *surface) |
| |
| This signal is emitted when a new QWaylandSurface instance \a surface has been created. |
| */ |
| |
| /*! |
| * Constructs a QWaylandCompositor with the given \a parent. |
| */ |
| QWaylandCompositor::QWaylandCompositor(QObject *parent) |
| : QWaylandObject(*new QWaylandCompositorPrivate(this), parent) |
| { |
| } |
| |
| /*! |
| * \internal |
| * Constructs a QWaylandCompositor with the private object \a dptr and \a parent. |
| */ |
| QWaylandCompositor::QWaylandCompositor(QWaylandCompositorPrivate &dptr, QObject *parent) |
| : QWaylandObject(dptr, parent) |
| { |
| } |
| |
| /*! |
| * Destroys the QWaylandCompositor |
| */ |
| QWaylandCompositor::~QWaylandCompositor() |
| { |
| } |
| |
| /*! |
| * Initializes the QWaylandCompositor. |
| * If you override this function in your subclass, be sure to call the base class implementation. |
| */ |
| void QWaylandCompositor::create() |
| { |
| Q_D(QWaylandCompositor); |
| d->preInit(); |
| d->init(); |
| } |
| |
| /*! |
| * \qmlproperty bool QtWaylandCompositor::WaylandCompositor::created |
| * |
| * This property is true if WaylandCompositor has been initialized, |
| * otherwise it's false. |
| */ |
| |
| /*! |
| * \property QWaylandCompositor::created |
| * |
| * This property is true if QWaylandCompositor has been initialized, |
| * otherwise it's false. |
| */ |
| bool QWaylandCompositor::isCreated() const |
| { |
| Q_D(const QWaylandCompositor); |
| return d->initialized; |
| } |
| |
| /*! |
| * \qmlproperty string QtWaylandCompositor::WaylandCompositor::socketName |
| * |
| * This property holds the socket name used by WaylandCompositor to communicate with |
| * clients. It must be set before the component is completed. |
| * |
| * If the socketName is empty (the default), the contents of the start argument |
| * \c --wayland-socket-name are used instead. If the argument is not set, the |
| * compositor tries to find a socket name, which is \c{wayland-0} by default. |
| */ |
| |
| /*! |
| * \property QWaylandCompositor::socketName |
| * |
| * This property holds the socket name used by QWaylandCompositor to communicate with |
| * clients. This must be set before the QWaylandCompositor is \l{create()}{created}. |
| * |
| * If the socketName is empty (the default), the contents of the start argument |
| * \c --wayland-socket-name are used instead. If the argument is not set, the |
| * compositor tries to find a socket name, which is \c{wayland-0} by default. |
| */ |
| void QWaylandCompositor::setSocketName(const QByteArray &name) |
| { |
| Q_D(QWaylandCompositor); |
| |
| if (d->socket_name == name) |
| return; |
| |
| if (d->initialized) { |
| qWarning("%s: Changing socket name after initializing the compositor is not supported.\n", Q_FUNC_INFO); |
| return; |
| } |
| |
| d->socket_name = name; |
| emit socketNameChanged(name); |
| } |
| |
| QByteArray QWaylandCompositor::socketName() const |
| { |
| Q_D(const QWaylandCompositor); |
| return d->socket_name; |
| } |
| |
| /*! |
| * \qmlmethod QtWaylandCompositor::WaylandCompositor::addSocketDescriptor(fd) |
| * \since 5.12 |
| * |
| * Listen for client connections on a file descriptor, \a fd, referring to a |
| * server socket already bound and listening. |
| * |
| * Does not take ownership of the file descriptor; it must be closed |
| * explicitly if needed. |
| * |
| * \note This method is only available with libwayland 1.10.0 or |
| * newer. If built against an earlier libwayland runtime, this |
| * method is a noop. |
| */ |
| |
| /*! |
| * Listen for client connections on a file descriptor, \a fd, referring to a |
| * server socket already bound and listening. |
| * |
| * Does not take ownership of the file descriptor; it must be closed |
| * explicitly if needed. |
| * |
| * \note This method is only available with libwayland 1.10.0 or |
| * newer. If built against an earlier libwayland runtime, this |
| * method is a noop. |
| * |
| * \since 5.12 |
| */ |
| void QWaylandCompositor::addSocketDescriptor(int fd) |
| { |
| #if WAYLAND_VERSION_MAJOR >= 1 && (WAYLAND_VERSION_MAJOR != 1 || WAYLAND_VERSION_MINOR >= 10) |
| Q_D(QWaylandCompositor); |
| d->externally_added_socket_fds.append(fd); |
| if (isCreated()) |
| d->connectToExternalSockets(); |
| #else |
| Q_UNUSED(fd); |
| qWarning() << "QWaylandCompositor::addSocketDescriptor() does nothing on libwayland versions prior to 1.10.0"; |
| #endif |
| } |
| |
| /*! |
| * \internal |
| */ |
| struct wl_display *QWaylandCompositor::display() const |
| { |
| Q_D(const QWaylandCompositor); |
| return d->display; |
| } |
| |
| /*! |
| * \internal |
| */ |
| uint32_t QWaylandCompositor::nextSerial() |
| { |
| Q_D(QWaylandCompositor); |
| return wl_display_next_serial(d->display); |
| } |
| |
| /*! |
| * \internal |
| */ |
| QList<QWaylandClient *>QWaylandCompositor::clients() const |
| { |
| Q_D(const QWaylandCompositor); |
| return d->clients; |
| } |
| |
| /*! |
| * \qmlmethod QtWaylandCompositor::WaylandCompositor::destroyClientForSurface(surface) |
| * |
| * Destroys the client for the WaylandSurface \a surface. |
| */ |
| |
| /*! |
| * Destroys the client for the \a surface. |
| */ |
| void QWaylandCompositor::destroyClientForSurface(QWaylandSurface *surface) |
| { |
| destroyClient(surface->client()); |
| } |
| |
| /*! |
| * \qmlmethod QtWaylandCompositor::WaylandCompositor::destroyClient(client) |
| * |
| * Destroys the given WaylandClient \a client. |
| */ |
| |
| /*! |
| * Destroys the \a client. |
| */ |
| void QWaylandCompositor::destroyClient(QWaylandClient *client) |
| { |
| if (!client) |
| return; |
| |
| QWaylandQtWindowManager *wmExtension = QWaylandQtWindowManager::findIn(this); |
| if (wmExtension) |
| wmExtension->sendQuitMessage(client); |
| |
| wl_client_destroy(client->client()); |
| } |
| |
| /*! |
| * \internal |
| */ |
| QList<QWaylandSurface *> QWaylandCompositor::surfacesForClient(QWaylandClient* client) const |
| { |
| Q_D(const QWaylandCompositor); |
| QList<QWaylandSurface *> surfs; |
| for (QWaylandSurface *surface : d->all_surfaces) { |
| if (surface->client() == client) |
| surfs.append(surface); |
| } |
| return surfs; |
| } |
| |
| /*! |
| * \internal |
| */ |
| QList<QWaylandSurface *> QWaylandCompositor::surfaces() const |
| { |
| Q_D(const QWaylandCompositor); |
| return d->all_surfaces; |
| } |
| |
| /*! |
| * Returns the QWaylandOutput that is connected to the given \a window. |
| */ |
| QWaylandOutput *QWaylandCompositor::outputFor(QWindow *window) const |
| { |
| Q_D(const QWaylandCompositor); |
| for (QWaylandOutput *output : d->outputs) { |
| if (output->window() == window) |
| return output; |
| } |
| |
| return nullptr; |
| } |
| |
| /*! |
| * \qmlproperty WaylandOutput QtWaylandCompositor::WaylandCompositor::defaultOutput |
| * |
| * This property contains the first in the list of outputs added to the |
| * WaylandCompositor, or null if no outputs have been added. |
| * |
| * Setting a new default output prepends it to the output list, making |
| * it the new default, but the previous default is not removed from |
| * the list. |
| */ |
| /*! |
| * \property QWaylandCompositor::defaultOutput |
| * |
| * This property contains the first in the list of outputs added to the |
| * QWaylandCompositor, or null if no outputs have been added. |
| * |
| * Setting a new default output prepends it to the output list, making |
| * it the new default, but the previous default is not removed from |
| * the list. If the new default output was already in the list of outputs, |
| * it is moved to the beginning of the list. |
| */ |
| QWaylandOutput *QWaylandCompositor::defaultOutput() const |
| { |
| Q_D(const QWaylandCompositor); |
| return d->defaultOutput(); |
| } |
| |
| void QWaylandCompositor::setDefaultOutput(QWaylandOutput *output) |
| { |
| Q_D(QWaylandCompositor); |
| if (d->outputs.size() && d->outputs.first() == output) |
| return; |
| bool alreadyAdded = d->outputs.removeOne(output); |
| d->outputs.prepend(output); |
| emit defaultOutputChanged(); |
| if (!alreadyAdded) |
| emit outputAdded(output); |
| } |
| |
| /*! |
| * \internal |
| */ |
| QList<QWaylandOutput *> QWaylandCompositor::outputs() const |
| { |
| Q_D(const QWaylandCompositor); |
| return d->outputs; |
| } |
| |
| /*! |
| * \internal |
| */ |
| uint QWaylandCompositor::currentTimeMsecs() const |
| { |
| Q_D(const QWaylandCompositor); |
| return d->timer.elapsed(); |
| } |
| |
| /*! |
| * \internal |
| */ |
| void QWaylandCompositor::processWaylandEvents() |
| { |
| Q_D(QWaylandCompositor); |
| int ret = wl_event_loop_dispatch(d->loop, 0); |
| if (ret) |
| fprintf(stderr, "wl_event_loop_dispatch error: %d\n", ret); |
| wl_display_flush_clients(d->display); |
| } |
| |
| /*! |
| * \internal |
| */ |
| QWaylandSeat *QWaylandCompositor::createSeat() |
| { |
| return new QWaylandSeat(this); |
| } |
| |
| /*! |
| * \internal |
| */ |
| QWaylandPointer *QWaylandCompositor::createPointerDevice(QWaylandSeat *seat) |
| { |
| return new QWaylandPointer(seat); |
| } |
| |
| /*! |
| * \internal |
| */ |
| QWaylandKeyboard *QWaylandCompositor::createKeyboardDevice(QWaylandSeat *seat) |
| { |
| return new QWaylandKeyboard(seat); |
| } |
| |
| /*! |
| * \internal |
| */ |
| QWaylandTouch *QWaylandCompositor::createTouchDevice(QWaylandSeat *seat) |
| { |
| return new QWaylandTouch(seat); |
| } |
| |
| /*! |
| * \qmlproperty bool QtWaylandCompositor::WaylandCompositor::retainedSelection |
| * |
| * This property holds whether retained selection is enabled. |
| */ |
| |
| /*! |
| * \property QWaylandCompositor::retainedSelection |
| * |
| * This property holds whether retained selection is enabled. |
| */ |
| void QWaylandCompositor::setRetainedSelectionEnabled(bool enabled) |
| { |
| Q_D(QWaylandCompositor); |
| |
| if (d->retainSelection == enabled) |
| return; |
| |
| d->retainSelection = enabled; |
| emit retainedSelectionChanged(enabled); |
| } |
| |
| bool QWaylandCompositor::retainedSelectionEnabled() const |
| { |
| Q_D(const QWaylandCompositor); |
| return d->retainSelection; |
| } |
| |
| /*! |
| * \internal |
| */ |
| void QWaylandCompositor::retainedSelectionReceived(QMimeData *) |
| { |
| } |
| |
| /*! |
| * \internal |
| */ |
| void QWaylandCompositor::overrideSelection(const QMimeData *data) |
| { |
| Q_D(QWaylandCompositor); |
| #if QT_CONFIG(wayland_datadevice) |
| d->data_device_manager->overrideSelection(*data); |
| #endif |
| } |
| |
| /*! |
| * \qmlproperty WaylandSeat QtWaylandCompositor::WaylandCompositor::defaultSeat |
| * |
| * This property contains the default seat for this |
| * WaylandCompositor. |
| */ |
| |
| /*! |
| * \property QWaylandCompositor::defaultSeat |
| * |
| * This property contains the default seat for this |
| * QWaylandCompositor. |
| */ |
| QWaylandSeat *QWaylandCompositor::defaultSeat() const |
| { |
| Q_D(const QWaylandCompositor); |
| if (d->seats.size()) |
| return d->seats.first(); |
| return nullptr; |
| } |
| |
| /*! |
| * \internal |
| * |
| * Currently, Qt only supports a single seat, so this exists for |
| * future proofing the APIs. |
| */ |
| QWaylandSeat *QWaylandCompositor::seatFor(QInputEvent *inputEvent) |
| { |
| Q_D(QWaylandCompositor); |
| QWaylandSeat *dev = nullptr; |
| for (int i = 0; i < d->seats.size(); i++) { |
| QWaylandSeat *candidate = d->seats.at(i); |
| if (candidate->isOwner(inputEvent)) { |
| dev = candidate; |
| break; |
| } |
| } |
| return dev; |
| } |
| |
| /*! |
| * \qmlproperty bool QtWaylandCompositor::WaylandCompositor::useHardwareIntegrationExtension |
| * |
| * This property holds whether the hardware integration extension should be enabled for |
| * this WaylandCompositor. |
| * |
| * This property must be set before the compositor component is completed. |
| */ |
| |
| /*! |
| * \property QWaylandCompositor::useHardwareIntegrationExtension |
| * |
| * This property holds whether the hardware integration extension should be enabled for |
| * this QWaylandCompositor. |
| * |
| * This property must be set before the compositor is \l{create()}{created}. |
| */ |
| bool QWaylandCompositor::useHardwareIntegrationExtension() const |
| { |
| #if QT_CONFIG(opengl) |
| Q_D(const QWaylandCompositor); |
| return d->use_hw_integration_extension; |
| #else |
| return false; |
| #endif |
| } |
| |
| void QWaylandCompositor::setUseHardwareIntegrationExtension(bool use) |
| { |
| #if QT_CONFIG(opengl) |
| Q_D(QWaylandCompositor); |
| if (use == d->use_hw_integration_extension) |
| return; |
| |
| if (d->initialized) |
| qWarning("Setting QWaylandCompositor::useHardwareIntegrationExtension after initialization has no effect"); |
| |
| d->use_hw_integration_extension = use; |
| useHardwareIntegrationExtensionChanged(); |
| #else |
| if (use) |
| qWarning() << "Hardware integration not supported without OpenGL support"; |
| #endif |
| } |
| |
| /*! |
| * Grab the surface content from the given \a buffer. |
| * The default implementation requires a OpenGL context to be bound to the current thread |
| * to work. If this is not possible, reimplement this function in your compositor subclass |
| * to implement custom logic. |
| * The default implementation only grabs shared memory and OpenGL buffers, reimplement this in your |
| * compositor subclass to handle more buffer types. |
| * \note You should not call this manually, but rather use QWaylandSurfaceGrabber (\a grabber). |
| */ |
| void QWaylandCompositor::grabSurface(QWaylandSurfaceGrabber *grabber, const QWaylandBufferRef &buffer) |
| { |
| if (buffer.isSharedMemory()) { |
| emit grabber->success(buffer.image()); |
| } else { |
| #if QT_CONFIG(opengl) |
| if (QOpenGLContext::currentContext()) { |
| QOpenGLFramebufferObject fbo(buffer.size()); |
| fbo.bind(); |
| QOpenGLTextureBlitter blitter; |
| blitter.create(); |
| |
| |
| glViewport(0, 0, buffer.size().width(), buffer.size().height()); |
| |
| QOpenGLTextureBlitter::Origin surfaceOrigin = |
| buffer.origin() == QWaylandSurface::OriginTopLeft |
| ? QOpenGLTextureBlitter::OriginTopLeft |
| : QOpenGLTextureBlitter::OriginBottomLeft; |
| |
| auto texture = buffer.toOpenGLTexture(); |
| blitter.bind(texture->target()); |
| blitter.blit(texture->textureId(), QMatrix4x4(), surfaceOrigin); |
| blitter.release(); |
| |
| emit grabber->success(fbo.toImage()); |
| } else |
| #endif |
| emit grabber->failed(QWaylandSurfaceGrabber::UnknownBufferType); |
| } |
| } |
| |
| QT_END_NAMESPACE |