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
11** accordance with the commercial license agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and The Qt Company. For licensing terms
14** and conditions see https://www.qt.io/terms-conditions. For further
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 "mouseeventfilter_p.h"
41
42#include <Qt3DInput/QKeyEvent>
43#include <QtCore/QEvent>
44
45#include <Qt3DInput/private/inputhandler_p.h>
46
47QT_BEGIN_NAMESPACE
48
49namespace Qt3DInput {
50namespace Input {
51
52// The MouseEventFilter must be in the same thread as the view it will be monitoring
53
54MouseEventFilter::MouseEventFilter(QObject *parent)
55 : QObject(parent)
56 , m_inputHandler(nullptr)
57{
58}
59
60void MouseEventFilter::setInputHandler(InputHandler *handler)
61{
62 m_inputHandler = handler;
63}
64
65// Triggered in the view thread (usually the main thread)
66bool MouseEventFilter::eventFilter(QObject *obj, QEvent *e)
67{
68 Q_UNUSED(obj);
69 switch (e->type()) {
70 // When dealing with QtQuick events, there are nove MouseMove events
71 // only hover events which are transmitted if hoverEnabled was set to true on the Scene3D
72 case QEvent::HoverMove:
73 {
74 const QHoverEvent *event = static_cast<QHoverEvent *>(e);
75 m_inputHandler->appendMouseEvent(event: QMouseEvent(QEvent::MouseMove, event->posF(), Qt::NoButton, Qt::NoButton, event->modifiers()));
76 break;
77 }
78 case QEvent::MouseButtonPress:
79 case QEvent::MouseButtonRelease:
80 case QEvent::MouseButtonDblClick:
81 case QEvent::MouseMove:
82 // Creates copy and store event to be processed later on in an InputAspect job
83 m_inputHandler->appendMouseEvent(event: QMouseEvent(*static_cast<QMouseEvent *>(e)));
84 break;
85#if QT_CONFIG(wheelevent)
86 case QEvent::Wheel:
87 // Creates copy and store event to be processed later on in an InputAspect job
88 m_inputHandler->appendWheelEvent(event: QWheelEvent(*static_cast<QWheelEvent *>(e)));
89 break;
90#endif
91 default:
92 break;
93 }
94
95 return false;
96}
97
98} // namespace Input
99} // namespace Qt3DInput
100
101QT_END_NAMESPACE
102

source code of qt3d/src/input/backend/mouseeventfilter.cpp