1 /****************************************************************************
2 **
3 ** Copyright (C) 2018 The Qt Company Ltd.
4 ** Contact: https://www.qt.io/licensing/
5 **
6 ** This file is part of the QtQuick 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 QQUICKPOINTERHANDLER_P_H
41 #define QQUICKPOINTERHANDLER_P_H
42 
43 //
44 //  W A R N I N G
45 //  -------------
46 //
47 // This file is not part of the Qt API.  It exists purely as an
48 // implementation detail.  This header file may change from version to
49 // version without notice, or even be removed.
50 //
51 // We mean it.
52 //
53 
54 #include "qevent.h"
55 
56 #include <QtQuick/private/qquickevents_p_p.h>
57 #include <QtQuick/private/qquickpointerhandler_p.h>
58 
59 QT_BEGIN_NAMESPACE
60 
61 class Q_QUICK_PRIVATE_EXPORT QQuickPointerHandlerPrivate : public QObjectPrivate
62 {
Q_DECLARE_PUBLIC(QQuickPointerHandler)63     Q_DECLARE_PUBLIC(QQuickPointerHandler)
64 
65 public:
66     static QQuickPointerHandlerPrivate* get(QQuickPointerHandler *q) { return q->d_func(); }
get(const QQuickPointerHandler * q)67     static const QQuickPointerHandlerPrivate* get(const QQuickPointerHandler *q) { return q->d_func(); }
68 
69     QQuickPointerHandlerPrivate();
70 
71     template<typename TEventPoint>
72     bool dragOverThreshold(qreal d, Qt::Axis axis, const TEventPoint *p) const;
73 
74     bool dragOverThreshold(QVector2D delta) const;
75     bool dragOverThreshold(const QQuickEventPoint *point) const;
76 
77     QQuickPointerEvent *currentEvent = nullptr;
78     QQuickItem *target = nullptr;
79     qreal m_margin = 0;
80     qint16 dragThreshold = -1;   // -1 means use the platform default
81     uint8_t grabPermissions : 8;
82     Qt::CursorShape cursorShape : 6;
83     bool enabled : 1;
84     bool active : 1;
85     bool targetExplicitlySet : 1;
86     bool hadKeepMouseGrab : 1;    // some handlers override target()->setKeepMouseGrab(); this remembers previous state
87     bool hadKeepTouchGrab : 1;    // some handlers override target()->setKeepTouchGrab(); this remembers previous state
88     bool cursorSet : 1;
89 };
90 
91 QT_END_NAMESPACE
92 
93 #endif // QQUICKPOINTERHANDLER_P_H
94