| 1 | /**************************************************************************** | 
| 2 | ** | 
| 3 | ** Copyright (C) 2015 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. | 
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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 | #include "qaxis.h" | 
| 40 | #include "qaxis_p.h" | 
| 41 |  | 
| 42 | #include <Qt3DInput/qabstractaxisinput.h> | 
| 43 | #include <Qt3DCore/qnodecreatedchange.h> | 
| 44 |  | 
| 45 | QT_BEGIN_NAMESPACE | 
| 46 |  | 
| 47 | namespace Qt3DInput { | 
| 48 |  | 
| 49 | /*! | 
| 50 |     Constructs a new QAxis instance with \a parent. | 
| 51 |     \class Qt3DInput::QAxis | 
| 52 |     \inmodule Qt3DInput | 
| 53 |     \inherits Qt3DCore::QNode | 
| 54 |     \brief QAxis stores QAbstractAxisInputs used to trigger an input event. | 
| 55 |     \since 5.7 | 
| 56 | */ | 
| 57 |  | 
| 58 | /*! | 
| 59 |     \qmltype Axis | 
| 60 |     \inqmlmodule Qt3D.Input | 
| 61 |     \instantiates Qt3DInput::QAxis | 
| 62 |     \brief QML frontend for the Qt3DInput::QAxis C++ class. | 
| 63 |  | 
| 64 |     Links a set of AbstractAxisInputs that trigger the same event. | 
| 65 |     \since 5.7 | 
| 66 | */ | 
| 67 |  | 
| 68 | /*! | 
| 69 |     \qmlproperty int QAxis::value | 
| 70 |     \readonly | 
| 71 |  | 
| 72 |     Holds the value of the axis. | 
| 73 |  | 
| 74 |     Note this property is not updated when the axis is disabled. | 
| 75 | */ | 
| 76 |  | 
| 77 | /*! | 
| 78 |     Constructs a new QAxis instance with parent \a parent. | 
| 79 |  */ | 
| 80 | QAxis::QAxis(Qt3DCore::QNode *parent) | 
| 81 |     : Qt3DCore::QNode(*new QAxisPrivate(), parent) | 
| 82 | { | 
| 83 |     Q_D(QAxis); | 
| 84 |     connect(sender: this, signal: &QAxis::enabledChanged, slot: [d]() { | 
| 85 |         d->setValue(0.); | 
| 86 |     }); | 
| 87 | } | 
| 88 |  | 
| 89 | /*! \internal */ | 
| 90 | QAxis::~QAxis() | 
| 91 | { | 
| 92 | } | 
| 93 |  | 
| 94 | /*! | 
| 95 |   \qmlproperty list<AbstractAxisInput>  Qt3D.Input::Axis::inputs | 
| 96 |  | 
| 97 |   the list of AbstractAxisInput that can trigger this Axis. | 
| 98 | */ | 
| 99 |  | 
| 100 | /*! | 
| 101 |     QAxis::addInput | 
| 102 |     Adds an \a input for the axis. | 
| 103 |  | 
| 104 |     \sa Qt3DInput::QAbstractAxisInput | 
| 105 |  */ | 
| 106 | void QAxis::addInput(QAbstractAxisInput *input) | 
| 107 | { | 
| 108 |     Q_D(QAxis); | 
| 109 |     if (!d->m_inputs.contains(t: input)) { | 
| 110 |         d->m_inputs.push_back(t: input); | 
| 111 |  | 
| 112 |         if (!input->parent()) | 
| 113 |             input->setParent(this); | 
| 114 |  | 
| 115 |         // Ensures proper bookkeeping | 
| 116 |         d->registerDestructionHelper(node: input, func: &QAxis::removeInput, d->m_inputs); | 
| 117 |         d->updateNode(node: input, property: "input" , change: Qt3DCore::PropertyValueAdded); | 
| 118 |     } | 
| 119 | } | 
| 120 |  | 
| 121 | /*! | 
| 122 |     \qmlproperty QVariantList Qt3D.Input::Axis::buttons | 
| 123 |  | 
| 124 |     The Buttons that can trigger this Action | 
| 125 | */ | 
| 126 |  | 
| 127 | /*! | 
| 128 |     QAxis::removeInput | 
| 129 |  | 
| 130 |     Removes an \a input from the axis. | 
| 131 |  | 
| 132 |     \sa Qt3DInput::QAbstractAxisInput | 
| 133 |  */ | 
| 134 | void QAxis::removeInput(QAbstractAxisInput *input) | 
| 135 | { | 
| 136 |     Q_D(QAxis); | 
| 137 |     if (d->m_inputs.contains(t: input)) { | 
| 138 |  | 
| 139 |         d->updateNode(node: input, property: "input" , change: Qt3DCore::PropertyValueRemoved); | 
| 140 |  | 
| 141 |         d->m_inputs.removeOne(t: input); | 
| 142 |  | 
| 143 |         // Remove bookkeeping connection | 
| 144 |         d->unregisterDestructionHelper(node: input); | 
| 145 |     } | 
| 146 | } | 
| 147 |  | 
| 148 | /*! | 
| 149 |     QAxis::inputs | 
| 150 |  | 
| 151 |     \return vector of all inputs added to the axis. | 
| 152 |  */ | 
| 153 | QVector<QAbstractAxisInput *> QAxis::inputs() const | 
| 154 | { | 
| 155 |     Q_D(const QAxis); | 
| 156 |     return d->m_inputs; | 
| 157 | } | 
| 158 |  | 
| 159 | /*! | 
| 160 |   \property QAxis::value | 
| 161 |  | 
| 162 |   The value of the axis. | 
| 163 |  */ | 
| 164 | float QAxis::value() const | 
| 165 | { | 
| 166 |     Q_D(const QAxis); | 
| 167 |     return d->m_value; | 
| 168 | } | 
| 169 |  | 
| 170 | // TODO Unused remove in Qt6 | 
| 171 | void QAxis::sceneChangeEvent(const Qt3DCore::QSceneChangePtr &) | 
| 172 | { | 
| 173 | } | 
| 174 |  | 
| 175 | Qt3DCore::QNodeCreatedChangeBasePtr QAxis::createNodeCreationChange() const | 
| 176 | { | 
| 177 |     auto creationChange = Qt3DCore::QNodeCreatedChangePtr<QAxisData>::create(arguments: this); | 
| 178 |     auto &data = creationChange->data; | 
| 179 |     data.inputIds = qIdsForNodes(nodes: inputs()); | 
| 180 |     return creationChange; | 
| 181 | } | 
| 182 |  | 
| 183 | } // Qt3DInput | 
| 184 |  | 
| 185 | QT_END_NAMESPACE | 
| 186 |  |