qquickdraghandler

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qquickdraghandler_p.h

Absolute File Name:

/home/opencoverage/opencoverage/guest-scripts/qtdeclarative/src/qtdeclarative/src/quick/handlers/qquickdraghandler_p.h

Line	Source	Count
1	/****************************************************************************	-
2	**	-
3	** Copyright (C) 2017 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 QQUICKDRAGHANDLER_H	-
41	#define QQUICKDRAGHANDLER_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 "qquicksinglepointhandler_p.h"	-
55	#include "qquickdragaxis_p.h"	-
56		-
57	QT_BEGIN_NAMESPACE	-
58		-
59	class Q_AUTOTEST_EXPORT QQuickDragHandler : public QQuickSinglePointHandler	-
60	{	-
61	Q_OBJECT	-
62	Q_PROPERTY(QQuickDragAxis * xAxis READ xAxis CONSTANT)	-
63	Q_PROPERTY(QQuickDragAxis * yAxis READ yAxis CONSTANT)	-
64	Q_PROPERTY(QVector2D translation READ translation NOTIFY translationChanged)	-
65		-
66	public:	-
67	explicit QQuickDragHandler(QObject *parent = nullptr);	-
68	~QQuickDragHandler();	-
69		-
70	void handleEventPoint(QQuickEventPoint *point) override;	-
71		-
72	QQuickDragAxis *xAxis() { return &m_xAxis; } executed 194 times by 2 tests: `return &m_xAxis;` Executed by: tst_flickableinterop tst_qquickdraghandler	194
73	QQuickDragAxis *yAxis() { return &m_yAxis; } executed 2164 times by 2 tests: `return &m_yAxis;` Executed by: tst_flickableinterop tst_qquickdraghandler	2164
74		-
75	QVector2D translation() const { return m_translation; } executed 26 times by 1 test: `return m_translation;` Executed by: tst_qquickdraghandler	26
76	void setTranslation(const QVector2D &trans);	-
77		-
78	Q_INVOKABLE void enforceConstraints();	-
79		-
80	Q_SIGNALS:	-
81	// void gestureStarted(QQuickGestureEvent *gesture);	-
82	void translationChanged();	-
83		-
84	protected:	-
85	bool wantsEventPoint(QQuickEventPoint *point) override;	-
86	void onActiveChanged() override;	-
87	void onGrabChanged(QQuickPointerHandler grabber, QQuickEventPoint::GrabState stateChange, QQuickEventPoint point) override;	-
88		-
89	private:	-
90	void ungrab();	-
91	void enforceAxisConstraints(QPointF *localPos);	-
92	bool targetContains(QQuickEventPoint *point);	-
93	QPointF localTargetPosition(QQuickEventPoint *point);	-
94		-
95	private:	-
96	QPointF m_pressScenePos;	-
97	QPointF m_pressTargetPos; // We must also store the local targetPos, because we cannot deduce	-
98	// the press target pos from the scene pos in case there was e.g a	-
99	// flick in one of the ancestors during the drag.	-
100	QVector2D m_translation;	-
101		-
102	QQuickDragAxis m_xAxis;	-
103	QQuickDragAxis m_yAxis;	-
104	bool m_pressedInsideTarget = false;	-
105		-
106	friend class QQuickDragAxis;	-
107	};	-
108		-
109	QT_END_NAMESPACE	-
110		-
111	QML_DECLARE_TYPE(QQuickDragHandler)	-
112	QML_DECLARE_TYPE(QQuickDragAxis)	-
113		-
114	#endif // QQUICKDRAGHANDLER_H	-

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/****************************************************************************

** Contact: https://www.qt.io/licensing/

** This file is part of the QtQuick module of the Qt Toolkit.

** $QT_BEGIN_LICENSE:LGPL$

** Commercial License Usage

** Licensees holding valid commercial Qt licenses may use this file in

** accordance with the commercial license agreement provided with the

** Software or, alternatively, in accordance with the terms contained in

** a written agreement between you and The Qt Company. For licensing terms

** and conditions see https://www.qt.io/terms-conditions. For further

** information use the contact form at https://www.qt.io/contact-us.

** GNU Lesser General Public License Usage

** Alternatively, this file may be used under the terms of the GNU Lesser

** General Public License version 3 as published by the Free Software

** Foundation and appearing in the file LICENSE.LGPL3 included in the

** packaging of this file. Please review the following information to

** ensure the GNU Lesser General Public License version 3 requirements

** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.

** GNU General Public License Usage

** Alternatively, this file may be used under the terms of the GNU

** General Public License version 2.0 or (at your option) the GNU General

** Public license version 3 or any later version approved by the KDE Free

** Qt Foundation. The licenses are as published by the Free Software

** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3

** included in the packaging of this file. Please review the following

** information to ensure the GNU General Public License requirements will

** be met: https://www.gnu.org/licenses/gpl-2.0.html and

** https://www.gnu.org/licenses/gpl-3.0.html.

** $QT_END_LICENSE$

****************************************************************************/

#ifndef QQUICKDRAGHANDLER_H

#define QQUICKDRAGHANDLER_H

// W A R N I N G

// -------------

// This file is not part of the Qt API. It exists purely as an

// implementation detail. This header file may change from version to

// version without notice, or even be removed.

// We mean it.

#include "qquicksinglepointhandler_p.h"

#include "qquickdragaxis_p.h"

QT_BEGIN_NAMESPACE

class Q_AUTOTEST_EXPORT QQuickDragHandler : public QQuickSinglePointHandler

{

Q_OBJECT

Q_PROPERTY(QQuickDragAxis * xAxis READ xAxis CONSTANT)

Q_PROPERTY(QQuickDragAxis * yAxis READ yAxis CONSTANT)

Q_PROPERTY(QVector2D translation READ translation NOTIFY translationChanged)

public:

explicit QQuickDragHandler(QObject *parent = nullptr);

~QQuickDragHandler();

void handleEventPoint(QQuickEventPoint *point) override;

QQuickDragAxis *xAxis() { return &m_xAxis; }

executed 194 times by 2 tests: return &m_xAxis;

Executed by:

tst_flickableinterop
tst_qquickdraghandler

194

QQuickDragAxis *yAxis() { return &m_yAxis; }

executed 2164 times by 2 tests: return &m_yAxis;

Executed by:

tst_flickableinterop
tst_qquickdraghandler

2164

QVector2D translation() const { return m_translation; }

executed 26 times by 1 test: return m_translation;

Executed by:

tst_qquickdraghandler

void setTranslation(const QVector2D &trans);

Q_INVOKABLE void enforceConstraints();

Q_SIGNALS:

// void gestureStarted(QQuickGestureEvent *gesture);

void translationChanged();

protected:

bool wantsEventPoint(QQuickEventPoint *point) override;

void onActiveChanged() override;

void onGrabChanged(QQuickPointerHandler *grabber, QQuickEventPoint::GrabState stateChange, QQuickEventPoint *point) override;

private:

void ungrab();

void enforceAxisConstraints(QPointF *localPos);

bool targetContains(QQuickEventPoint *point);

QPointF localTargetPosition(QQuickEventPoint *point);

private:

QPointF m_pressScenePos;

QPointF m_pressTargetPos; // We must also store the local targetPos, because we cannot deduce

// the press target pos from the scene pos in case there was e.g a

// flick in one of the ancestors during the drag.

100

QVector2D m_translation;

101

102

QQuickDragAxis m_xAxis;

103

QQuickDragAxis m_yAxis;

104

bool m_pressedInsideTarget = false;

105

106

friend class QQuickDragAxis;

};

QT_END_NAMESPACE

QML_DECLARE_TYPE(QQuickDragHandler)

112

QML_DECLARE_TYPE(QQuickDragAxis)

113

114

#endif // QQUICKDRAGHANDLER_H

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