genericdevicebackendnode.cpp

Enable keyboard shortcuts

// Copyright (C) 2016 Klaralvdalens Datakonsult AB (KDAB).

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only

#include "genericdevicebackendnode_p.h"

#include <Qt3DInput/qabstractphysicaldevice.h>

#include <Qt3DInput/private/inputhandler_p.h>

#include <Qt3DInput/private/inputmanagers_p.h>

#include <Qt3DInput/private/qgenericinputdevice_p.h>

#include <Qt3DInput/private/qabstractphysicaldevice_p.h>

QT_BEGIN_NAMESPACE

namespace Qt3DInput {

namespace Input {

GenericDeviceBackendNode::GenericDeviceBackendNode(QBackendNode::Mode mode)

    : QAbstractPhysicalDeviceBackendNode(mode)

    , m_mutex()

GenericDeviceBackendNode::~GenericDeviceBackendNode()

void GenericDeviceBackendNode::syncFromFrontEnd(const Qt3DCore::QNode *frontEnd, bool firstTime)

    QAbstractPhysicalDeviceBackendNode::syncFromFrontEnd(frontEnd, firstTime);

    const Qt3DInput::QGenericInputDevice *node = qobject_cast<const Qt3DInput::QGenericInputDevice *>(frontEnd);

    if (!node)

        return;

    auto *d = static_cast<Qt3DInput::QAbstractPhysicalDevicePrivate *>( Qt3DCore::QNodePrivate::get(const_cast<Qt3DCore::QNode *>(frontEnd)) );

        const QMutexLocker lock(&m_mutex);

        for (const auto &val: std::as_const(d->m_pendingAxisEvents))

            m_axesValues[val.first] = val.second;

        for (const auto &val: std::as_const(d->m_pendingButtonsEvents))

            m_buttonsValues[val.first] = val.second;

        d->m_pendingAxisEvents.clear();

        d->m_pendingButtonsEvents.clear();

void GenericDeviceBackendNode::cleanup()

    const QMutexLocker lock(&m_mutex);

    m_axesValues.clear();

    m_buttonsValues.clear();

    QAbstractPhysicalDeviceBackendNode::cleanup();

float GenericDeviceBackendNode::axisValue(int axisIdentifier) const

    const QMutexLocker lock(&m_mutex);

    return m_axesValues[axisIdentifier];

bool GenericDeviceBackendNode::isButtonPressed(int buttonIdentifier) const

    const QMutexLocker lock(&m_mutex);

    return m_buttonsValues[buttonIdentifier];

GenericDeviceBackendFunctor::GenericDeviceBackendFunctor(QInputAspect *inputaspect, InputHandler *handler)

    : m_inputAspect(inputaspect)

    , m_handler(handler)

Qt3DCore::QBackendNode *GenericDeviceBackendFunctor::create(Qt3DCore::QNodeId id) const

    GenericDeviceBackendNode *backendNode = m_handler->genericDeviceBackendNodeManager()->getOrCreateResource(id);

    backendNode->setInputAspect(m_inputAspect);

    m_handler->appendGenericDevice(m_handler->genericDeviceBackendNodeManager()->lookupHandle(id));

    return backendNode;

Qt3DCore::QBackendNode *GenericDeviceBackendFunctor::get(Qt3DCore::QNodeId id) const

    return m_handler->genericDeviceBackendNodeManager()->lookupResource(id);

void GenericDeviceBackendFunctor::destroy(Qt3DCore::QNodeId id) const

    m_handler->removeGenericDevice(m_handler->genericDeviceBackendNodeManager()->lookupHandle(id));

    m_handler->genericDeviceBackendNodeManager()->releaseResource(id);

} // namespace Input

} // namespace Qt3DInput

QT_END_NAMESPACE