| 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. | 
| 7 | ** | 
| 8 | ** $QT_BEGIN_LICENSE:LGPL$ | 
| 9 | ** Commercial License Usage | 
| 10 | ** Licensees holding valid commercial Qt licenses may use this file in | 
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| 15 | ** information use the contact form at https://www.qt.io/contact-us. | 
| 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 | 
| 20 | ** Foundation and appearing in the file LICENSE.LGPL3 included in the | 
| 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 | 
| 30 | ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 | 
| 31 | ** included in the packaging of this file. Please review the following | 
| 32 | ** information to ensure the GNU General Public License requirements will | 
| 33 | ** be met: https://www.gnu.org/licenses/gpl-2.0.html and | 
| 34 | ** https://www.gnu.org/licenses/gpl-3.0.html. | 
| 35 | ** | 
| 36 | ** $QT_END_LICENSE$ | 
| 37 | ** | 
| 38 | ****************************************************************************/ | 
| 39 |  | 
| 40 | #include "inputchord_p.h" | 
| 41 |  | 
| 42 | #include <Qt3DInput/qinputchord.h> | 
| 43 |  | 
| 44 | #include <Qt3DInput/private/qinputchord_p.h> | 
| 45 | #include <Qt3DInput/private/inputhandler_p.h> | 
| 46 |  | 
| 47 | QT_BEGIN_NAMESPACE | 
| 48 |  | 
| 49 | namespace Qt3DInput { | 
| 50 |  | 
| 51 | namespace Input { | 
| 52 |  | 
| 53 | InputChord::InputChord() | 
| 54 |     : AbstractActionInput() | 
| 55 |     , m_chords() | 
| 56 |     , m_inputsToTrigger() | 
| 57 |     , m_timeout(0) | 
| 58 |     , m_startTime(0) | 
| 59 | { | 
| 60 | } | 
| 61 |  | 
| 62 | void InputChord::cleanup() | 
| 63 | { | 
| 64 |     setEnabled(false); | 
| 65 |     m_timeout = 0; | 
| 66 |     m_startTime = 0; | 
| 67 |     m_chords.clear(); | 
| 68 |     m_inputsToTrigger.clear(); | 
| 69 | } | 
| 70 |  | 
| 71 | void InputChord::reset() | 
| 72 | { | 
| 73 |     m_startTime = 0; | 
| 74 |     m_inputsToTrigger = m_chords; | 
| 75 | } | 
| 76 |  | 
| 77 | bool InputChord::actionTriggered(Qt3DCore::QNodeId input) | 
| 78 | { | 
| 79 |     m_inputsToTrigger.removeOne(t: input); | 
| 80 |     if (m_inputsToTrigger.isEmpty()) { | 
| 81 |         //All Triggered | 
| 82 |         reset(); | 
| 83 |         return true; | 
| 84 |     } | 
| 85 |     return false; | 
| 86 | } | 
| 87 |  | 
| 88 | void InputChord::setStartTime(qint64 time) | 
| 89 | { | 
| 90 |     m_startTime = time; | 
| 91 | } | 
| 92 |  | 
| 93 | void InputChord::syncFromFrontEnd(const Qt3DCore::QNode *frontEnd, bool firstTime) | 
| 94 | { | 
| 95 |     AbstractActionInput::syncFromFrontEnd(frontEnd, firstTime); | 
| 96 |     const QInputChord *node = qobject_cast<const QInputChord *>(object: frontEnd); | 
| 97 |     if (!node) | 
| 98 |         return; | 
| 99 |  | 
| 100 |     m_timeout = milliToNano(milli: node->timeout()); | 
| 101 |     m_chords = Qt3DCore::qIdsForNodes(nodes: node->chords()); | 
| 102 |     m_inputsToTrigger = m_chords; | 
| 103 | } | 
| 104 |  | 
| 105 | bool InputChord::process(InputHandler *inputHandler, qint64 currentTime) | 
| 106 | { | 
| 107 |     if (!isEnabled()) | 
| 108 |         return false; | 
| 109 |  | 
| 110 |     const qint64 startTime = m_startTime; | 
| 111 |     bool triggered = false; | 
| 112 |     int activeInputs = 0; | 
| 113 |     for (const Qt3DCore::QNodeId &actionInputId : qAsConst(t&: m_chords)) { | 
| 114 |         AbstractActionInput *actionInput = inputHandler->lookupActionInput(id: actionInputId); | 
| 115 |         if (actionInput && actionInput->process(inputHandler, currentTime)) { | 
| 116 |             triggered |= actionTriggered(input: actionInputId); | 
| 117 |             activeInputs++; | 
| 118 |             if (startTime == 0) | 
| 119 |                 m_startTime = currentTime; | 
| 120 |         } | 
| 121 |     } | 
| 122 |  | 
| 123 |     if (startTime != 0) { | 
| 124 |         // Check if we are still inside the time limit for the chord | 
| 125 |         if ((currentTime - startTime) > m_timeout) { | 
| 126 |             reset(); | 
| 127 |             if (activeInputs > 0) | 
| 128 |                 m_startTime = startTime; | 
| 129 |             return false; | 
| 130 |         } | 
| 131 |     } | 
| 132 |  | 
| 133 |     return triggered; | 
| 134 | } | 
| 135 |  | 
| 136 | } // namespace Input | 
| 137 |  | 
| 138 | } // namespace Qt3DInput | 
| 139 |  | 
| 140 | QT_END_NAMESPACE | 
| 141 |  | 
| 142 |  |