1/****************************************************************************
2**
3** Copyright (C) 2016 The Qt Company Ltd.
4** Contact: https://www.qt.io/licensing/
5**
6** This file is part of the plugins 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#ifndef QLIBINPUTTOUCH_P_H
41#define QLIBINPUTTOUCH_P_H
42
43#include <QtCore/QHash>
44#include <QtCore/QList>
45#include <qpa/qwindowsysteminterface.h>
46
47//
48// W A R N I N G
49// -------------
50//
51// This file is not part of the Qt API. It exists purely as an
52// implementation detail. This header file may change from version to
53// version without notice, or even be removed.
54//
55// We mean it.
56//
57
58struct libinput_event_touch;
59struct libinput_device;
60
61QT_BEGIN_NAMESPACE
62
63class QLibInputTouch
64{
65public:
66 void registerDevice(libinput_device *dev);
67 void unregisterDevice(libinput_device *dev);
68 void processTouchDown(libinput_event_touch *e);
69 void processTouchMotion(libinput_event_touch *e);
70 void processTouchUp(libinput_event_touch *e);
71 void processTouchCancel(libinput_event_touch *e);
72 void processTouchFrame(libinput_event_touch *e);
73
74private:
75 struct DeviceState {
76 DeviceState() : m_touchDevice(nullptr) { }
77 QWindowSystemInterface::TouchPoint *point(int32_t slot);
78 QList<QWindowSystemInterface::TouchPoint> m_points;
79 QTouchDevice *m_touchDevice;
80 };
81
82 DeviceState *deviceState(libinput_event_touch *e);
83
84 QHash<libinput_device *, DeviceState> m_devState;
85};
86
87QT_END_NAMESPACE
88
89#endif
90