| 1 | /**************************************************************************** | 
| 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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| 17 | ** GNU Lesser General Public License Usage | 
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| 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 | 
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| 35 | ** | 
| 36 | ** $QT_END_LICENSE$ | 
| 37 | ** | 
| 38 | ****************************************************************************/ | 
| 39 |  | 
| 40 | #include "qinputsettings.h" | 
| 41 | #include "qinputsettings_p.h" | 
| 42 |  | 
| 43 | #include <Qt3DCore/qnodecreatedchange.h> | 
| 44 |  | 
| 45 | QT_BEGIN_NAMESPACE | 
| 46 |  | 
| 47 | namespace Qt3DInput { | 
| 48 |  | 
| 49 | /*! | 
| 50 |     \class Qt3DInput::QInputSettings | 
| 51 |     \inmodule Qt3DInput | 
| 52 |     \inherits Qt3DCore::QComponent | 
| 53 |     \brief QInputSettings class holds the pointer to an input event source object. | 
| 54 |     \since 5.7 | 
| 55 |  | 
| 56 |     The QInputSettings component must be set as a component of the scene root entity. | 
| 57 |     It stores a pointer to the object that acts as the source of input events to be handled | 
| 58 |     by various input classes. For example, a QWindow instance can be an event source. | 
| 59 |  | 
| 60 |     \sa QMouseDevice, QKeyboardDevice | 
| 61 | */ | 
| 62 |  | 
| 63 | /*! | 
| 64 |     \qmltype InputSettings | 
| 65 |     \inqmlmodule Qt3D.Input | 
| 66 |     \inherits Component3D | 
| 67 |     \instantiates Qt3DInput::QInputSettings | 
| 68 |     \brief InputSettings holds the pointer to an input event source object. | 
| 69 |     \since 5.7 | 
| 70 |  | 
| 71 |     The InputSettings component must be set as a component of the scene root entity. | 
| 72 |     It stores a pointer to the object that acts as the source of input events to be handled | 
| 73 |     by various input classes. For example, a Window instance can be an event source. | 
| 74 |  | 
| 75 |     \sa MouseDevice, KeyboardDevice | 
| 76 | */ | 
| 77 |  | 
| 78 | QInputSettingsPrivate::QInputSettingsPrivate() | 
| 79 |     : Qt3DCore::QComponentPrivate() | 
| 80 |     , m_eventSource(nullptr) | 
| 81 | { | 
| 82 | } | 
| 83 |  | 
| 84 | QInputSettings::QInputSettings(Qt3DCore::QNode *parent) | 
| 85 |     : Qt3DCore::QComponent(*new QInputSettingsPrivate(), parent) | 
| 86 | { | 
| 87 | } | 
| 88 |  | 
| 89 | QInputSettings::~QInputSettings() | 
| 90 | { | 
| 91 | } | 
| 92 |  | 
| 93 | /*! | 
| 94 |     \property QInputSettings::eventSource | 
| 95 |  | 
| 96 |     Holds the current event source. An event source is an object that is capable | 
| 97 |     of receiving various input events, such as mouse or keyboard events. | 
| 98 |     Typically it is a QWindow instance. | 
| 99 |  */ | 
| 100 |  | 
| 101 | /*! | 
| 102 |     \qmlproperty Object InputSettings::eventSource | 
| 103 |  | 
| 104 |     Holds the current event source. An event source is an object that is capable | 
| 105 |     of receiving various input events, such as mouse or keyboard events. | 
| 106 |     Typically it is a Window instance. | 
| 107 | */ | 
| 108 | QObject *QInputSettings::eventSource() const | 
| 109 | { | 
| 110 |     Q_D(const QInputSettings); | 
| 111 |     return d->m_eventSource; | 
| 112 | } | 
| 113 |  | 
| 114 | void QInputSettings::setEventSource(QObject *eventSource) | 
| 115 | { | 
| 116 |     Q_D(QInputSettings); | 
| 117 |     if (d->m_eventSource != eventSource) { | 
| 118 |         if (d->m_eventSource) | 
| 119 |             QObject::disconnect(d->m_connection); | 
| 120 |         d->m_eventSource = eventSource; | 
| 121 |         emit eventSourceChanged(eventSource); | 
| 122 |         d->m_connection = QObject::connect(sender: eventSource, signal: &QObject::destroyed, | 
| 123 |                                            receiver: this, slot: &QInputSettings::eventSourceDestroyed); | 
| 124 |     } | 
| 125 | } | 
| 126 |  | 
| 127 | void QInputSettings::eventSourceDestroyed() | 
| 128 | { | 
| 129 |     Q_D(QInputSettings); | 
| 130 |     QObject::disconnect(d->m_connection); | 
| 131 |     d->m_eventSource = nullptr; | 
| 132 |     emit eventSourceChanged(nullptr); | 
| 133 | } | 
| 134 |  | 
| 135 | Qt3DCore::QNodeCreatedChangeBasePtr QInputSettings::createNodeCreationChange() const | 
| 136 | { | 
| 137 |     auto creationChange = Qt3DCore::QNodeCreatedChangePtr<QInputSettingsData>::create(arguments: this); | 
| 138 |     auto &data = creationChange->data; | 
| 139 |  | 
| 140 |     Q_D(const QInputSettings); | 
| 141 |     data.eventSource = d->m_eventSource; | 
| 142 |  | 
| 143 |     return creationChange; | 
| 144 | } | 
| 145 |  | 
| 146 | } // Qt3DInput | 
| 147 |  | 
| 148 |  | 
| 149 | QT_END_NAMESPACE | 
| 150 |  |