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qquickpinchhandler_p.h

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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 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-
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35**-
36** $QT_END_LICENSE$-
37**-
38****************************************************************************/-
39-
40#ifndef QQUICKPINCHHANDLER_H-
41#define QQUICKPINCHHANDLER_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 "qquickitem.h"-
55#include "qevent.h"-
56#include "qquickmultipointhandler_p.h"-
57#include <private/qquicktranslate_p.h>-
58-
59QT_BEGIN_NAMESPACE-
60-
61class Q_AUTOTEST_EXPORT QQuickPinchHandler : public QQuickMultiPointHandler-
62{-
63 Q_OBJECT-
64 Q_PROPERTY(qreal minimumScale READ minimumScale WRITE setMinimumScale NOTIFY minimumScaleChanged)-
65 Q_PROPERTY(qreal maximumScale READ maximumScale WRITE setMaximumScale NOTIFY maximumScaleChanged)-
66 Q_PROPERTY(qreal minimumRotation READ minimumRotation WRITE setMinimumRotation NOTIFY minimumRotationChanged)-
67 Q_PROPERTY(qreal maximumRotation READ maximumRotation WRITE setMaximumRotation NOTIFY maximumRotationChanged)-
68 Q_PROPERTY(PinchOrigin pinchOrigin READ pinchOrigin WRITE setPinchOrigin NOTIFY pinchOriginChanged)-
69 Q_PROPERTY(qreal scale READ scale NOTIFY updated)-
70 Q_PROPERTY(qreal activeScale READ activeScale NOTIFY updated)-
71 Q_PROPERTY(qreal rotation READ rotation NOTIFY updated)-
72 Q_PROPERTY(QVector2D translation READ translation NOTIFY updated)-
73 Q_PROPERTY(qreal minimumX READ minimumX WRITE setMinimumX NOTIFY minimumXChanged)-
74 Q_PROPERTY(qreal maximumX READ maximumX WRITE setMaximumX NOTIFY maximumXChanged)-
75 Q_PROPERTY(qreal minimumY READ minimumY WRITE setMinimumY NOTIFY minimumYChanged)-
76 Q_PROPERTY(qreal maximumY READ maximumY WRITE setMaximumY NOTIFY maximumYChanged)-
77-
78public:-
79 enum PinchOrigin {-
80 FirstPoint, PinchCenter, TargetCenter-
81 };-
82 Q_ENUM(PinchOrigin)-
83-
84 explicit QQuickPinchHandler(QObject *parent = nullptr);-
85 ~QQuickPinchHandler();-
86-
87 qreal minimumScale() const { return m_minimumScale; }
never executed: return m_minimumScale;
0
88 void setMinimumScale(qreal minimumScale);-
89-
90 qreal maximumScale() const { return m_maximumScale; }
never executed: return m_maximumScale;
0
91 void setMaximumScale(qreal maximumScale);-
92-
93 qreal minimumRotation() const { return m_minimumRotation; }
never executed: return m_minimumRotation;
0
94 void setMinimumRotation(qreal minimumRotation);-
95-
96 qreal maximumRotation() const { return m_maximumRotation; }
never executed: return m_maximumRotation;
0
97 void setMaximumRotation(qreal maximumRotation);-
98-
99 PinchOrigin pinchOrigin() const { return m_pinchOrigin; }
never executed: return m_pinchOrigin;
0
100 void setPinchOrigin(PinchOrigin pinchOrigin);-
101-
102 QVector2D translation() const { return m_activeTranslation; }
never executed: return m_activeTranslation;
0
103 qreal scale() const { return m_accumulatedScale; }
never executed: return m_accumulatedScale;
0
104 qreal activeScale() const { return m_activeScale; }
executed 2 times by 1 test: return m_activeScale;
Executed by:
  • tst_multipointtoucharea_interop
2
105 qreal rotation() const { return m_activeRotation; }
executed 8 times by 1 test: return m_activeRotation;
Executed by:
  • tst_multipointtoucharea_interop
8
106 qreal minimumX() const { return m_minimumX; }
never executed: return m_minimumX;
0
107 void setMinimumX(qreal minX);-
108 qreal maximumX() const { return m_maximumX; }
never executed: return m_maximumX;
0
109 void setMaximumX(qreal maxX);-
110 qreal minimumY() const { return m_minimumY; }
never executed: return m_minimumY;
0
111 void setMinimumY(qreal minY);-
112 qreal maximumY() const { return m_maximumY; }
never executed: return m_maximumY;
0
113 void setMaximumY(qreal maxY);-
114-
115signals:-
116 void minimumScaleChanged();-
117 void maximumScaleChanged();-
118 void minimumRotationChanged();-
119 void maximumRotationChanged();-
120 void minimumXChanged();-
121 void maximumXChanged();-
122 void minimumYChanged();-
123 void maximumYChanged();-
124 void pinchOriginChanged();-
125 void updated();-
126-
127protected:-
128 bool wantsPointerEvent(QQuickPointerEvent *event) override;-
129 void onActiveChanged() override;-
130 void handlePointerEventImpl(QQuickPointerEvent *event) override;-
131-
132private:-
133 // properties-
134 qreal m_activeScale;-
135 qreal m_accumulatedScale;-
136 qreal m_activeRotation;-
137 QVector2D m_activeTranslation;-
138-
139 qreal m_minimumScale;-
140 qreal m_maximumScale;-
141-
142 qreal m_minimumRotation;-
143 qreal m_maximumRotation;-
144-
145 qreal m_minimumX;-
146 qreal m_maximumX;-
147 qreal m_minimumY;-
148 qreal m_maximumY;-
149-
150 PinchOrigin m_pinchOrigin;-
151-
152 // internal-
153 qreal m_startScale;-
154 qreal m_startRotation;-
155 qreal m_startDistance;-
156 QPointF m_startPos;-
157-
158 QVector<PointData> m_startAngles;-
159 QMatrix4x4 m_startMatrix;-
160 QQuickMatrix4x4 m_transform;-
161-
162};-
163-
164QT_END_NAMESPACE-
165-
166QML_DECLARE_TYPE(QQuickPinchHandler)-
167-
168#endif // QQUICKPINCHHANDLER_H-
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