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++ // Copyright (C) 2015 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
++
++ #ifndef QT3DINPUT_INPUT_UTILS_P_H
++ #define QT3DINPUT_INPUT_UTILS_P_H
++
++ //
++ // W A R N I N G
++ // -------------
++ //
++ // This file is not part of the Qt API. It exists for the convenience
++ // of other Qt classes. This header file may change from version to
++ // version without notice, or even be removed.
++ //
++ // We mean it.
++ //
++
++ #include <Qt3DInput/private/inputhandler_p.h>
++ #include <Qt3DInput/private/inputmanagers_p.h>
++ #include <Qt3DInput/private/physicaldeviceproxy_p.h>
++ #include <Qt3DInput/private/qinputdeviceintegration_p.h>
++ #include <Qt3DInput/private/qabstractphysicaldevicebackendnode_p.h>
++
++ QT_BEGIN_NAMESPACE
++
++ namespace Qt3DInput {
++
++ namespace Input {
++
++ namespace Utils {
++
++ template<class InputClass>
++ QAbstractPhysicalDeviceBackendNode *physicalDeviceForInput(InputClass *input, InputHandler *handler)
++ {
++ // Note: the source device can be a proxy
++ // in which case sourceDeviceId should be the proxy's device id
++ Qt3DCore::QNodeId sourceDeviceId = input->sourceDevice();
++
++ {
++ PhysicalDeviceProxy *deviceProxy = nullptr;
++ if ((deviceProxy = handler->physicalDeviceProxyManager()->lookupResource(sourceDeviceId)) != nullptr)
++ sourceDeviceId = deviceProxy->physicalDeviceId();
++ }
++
++ // Early return if the sourceDeviceId is null
++ if (!sourceDeviceId.isNull()) {
++ const auto integrations = handler->inputDeviceIntegrations();
++ for (QInputDeviceIntegration *integration : integrations) {
++ QAbstractPhysicalDeviceBackendNode *physicalDeviceBackend = integration->physicalDevice(sourceDeviceId);
++ if (physicalDeviceBackend)
++ return physicalDeviceBackend;
++ }
++ }
++
++ return nullptr;
++ }
++
++ } // Utils
++
++ } // Input
++
++ } // Qt3DInput
++
++ QT_END_NAMESPACE
++
++
++ #endif // QT3DINPUT_INPUT_UTILS_P_H