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| 2 | ** |
| 3 | ** Copyright (C) 2016 Klaralvdalens Datakonsult AB (KDAB). |
| 4 | ** Contact: https://www.qt.io/licensing/ |
| 5 | ** |
| 6 | ** This file is part of the Qt3D module of the Qt Toolkit. |
| 7 | ** |
| 8 | ** $QT_BEGIN_LICENSE:LGPL$ |
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| 16 | ** |
| 17 | ** GNU Lesser General Public License Usage |
| 18 | ** Alternatively, this file may be used under the terms of the GNU Lesser |
| 19 | ** General Public License version 3 as published by the Free Software |
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| 21 | ** packaging of this file. Please review the following information to |
| 22 | ** ensure the GNU Lesser General Public License version 3 requirements |
| 23 | ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. |
| 24 | ** |
| 25 | ** GNU General Public License Usage |
| 26 | ** Alternatively, this file may be used under the terms of the GNU |
| 27 | ** General Public License version 2.0 or (at your option) the GNU General |
| 28 | ** Public license version 3 or any later version approved by the KDE Free |
| 29 | ** Qt Foundation. The licenses are as published by the Free Software |
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| 35 | ** |
| 36 | ** $QT_END_LICENSE$ |
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| 38 | ****************************************************************************/ |
| 39 | |
| 40 | #include "eventsourcesetterhelper_p.h" |
| 41 | |
| 42 | #include <Qt3DInput/private/inputhandler_p.h> |
| 43 | #include <Qt3DCore/private/qeventfilterservice_p.h> |
| 44 | |
| 45 | QT_BEGIN_NAMESPACE |
| 46 | |
| 47 | namespace Qt3DInput { |
| 48 | |
| 49 | namespace Input { |
| 50 | |
| 51 | EventSourceSetterHelper::EventSourceSetterHelper(InputHandler *inputHandler) |
| 52 | : QObject() |
| 53 | , m_service(nullptr) |
| 54 | , m_inputHandler(inputHandler) |
| 55 | , m_lastEventSource(nullptr) |
| 56 | { |
| 57 | } |
| 58 | |
| 59 | // Main thread |
| 60 | void EventSourceSetterHelper::setEventFilterService(Qt3DCore::QEventFilterService *service) |
| 61 | { |
| 62 | m_service = service; |
| 63 | } |
| 64 | |
| 65 | // Main thread |
| 66 | void EventSourceSetterHelper::setEventSource(QObject *eventSource) |
| 67 | { |
| 68 | if (eventSource && m_lastEventSource != eventSource) { |
| 69 | if (m_service) { |
| 70 | m_service->initialize(eventSource); |
| 71 | m_inputHandler->registerEventFilters(service: m_service); |
| 72 | m_lastEventSource = eventSource; |
| 73 | } |
| 74 | } |
| 75 | } |
| 76 | |
| 77 | void EventSourceSetterHelper::unsetEventSource(QObject *eventSource) |
| 78 | { |
| 79 | if (m_service) { |
| 80 | m_inputHandler->unregisterEventFilters(service: m_service); |
| 81 | if (eventSource) |
| 82 | m_service->shutdown(eventSource); |
| 83 | } |
| 84 | } |
| 85 | |
| 86 | } // Input |
| 87 | |
| 88 | } // Qt3DInput |
| 89 | |
| 90 | QT_END_NAMESPACE |
| 91 |