qquickpointerhandler

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qquickpointerhandler_p.h

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

Line	Source	Count
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_H	-
41	#define QQUICKPOINTERHANDLER_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 <QtQuick/private/qquickevents_p_p.h>	-
55	#include <QtQuick/private/qquickitem_p.h>	-
56		-
57	QT_BEGIN_NAMESPACE	-
58		-
59	Q_DECLARE_LOGGING_CATEGORY(lcPointerHandlerDispatch)	-
60		-
61	class QQuickPointerHandlerPrivate;	-
62		-
63	class Q_QUICK_PRIVATE_EXPORT QQuickPointerHandler : public QObject, public QQmlParserStatus	-
64	{	-
65	Q_OBJECT	-
66	Q_INTERFACES(QQmlParserStatus)	-
67		-
68	Q_PROPERTY(bool enabled READ enabled WRITE setEnabled NOTIFY enabledChanged)	-
69	Q_PROPERTY(bool active READ active NOTIFY activeChanged)	-
70	Q_PROPERTY(QQuickItem * target READ target WRITE setTarget NOTIFY targetChanged)	-
71	Q_PROPERTY(QQuickItem * parent READ parentItem CONSTANT)	-
72	Q_PROPERTY(GrabPermissions grabPermissions READ grabPermissions WRITE setGrabPermissions NOTIFY grabPermissionChanged)	-
73	Q_PROPERTY(qreal margin READ margin WRITE setMargin NOTIFY marginChanged)	-
74		-
75	public:	-
76	explicit QQuickPointerHandler(QObject *parent = nullptr);	-
77	virtual ~QQuickPointerHandler();	-
78		-
79	enum GrabPermission {	-
80	TakeOverForbidden = 0x0,	-
81	CanTakeOverFromHandlersOfSameType = 0x01,	-
82	CanTakeOverFromHandlersOfDifferentType= 0x02,	-
83	CanTakeOverFromItems = 0x04,	-
84	CanTakeOverFromAnything = 0x0F,	-
85	ApprovesTakeOverByHandlersOfSameType = 0x10,	-
86	ApprovesTakeOverByHandlersOfDifferentType= 0x20,	-
87	ApprovesTakeOverByItems = 0x40,	-
88	ApprovesCancellation = 0x80,	-
89	ApprovesTakeOverByAnything = 0xF0	-
90	};	-
91	Q_DECLARE_FLAGS(GrabPermissions, GrabPermission)	-
92	Q_FLAG(GrabPermissions)	-
93		-
94	public:	-
95	bool enabled() const;	-
96	void setEnabled(bool enabled);	-
97		-
98	bool active() const;	-
99		-
100	QQuickItem *target() const;	-
101	void setTarget(QQuickItem *target);	-
102		-
103	QQuickItem * parentItem() const;	-
104		-
105	void handlePointerEvent(QQuickPointerEvent *event);	-
106		-
107	GrabPermissions grabPermissions() const;	-
108	void setGrabPermissions(GrabPermissions grabPermissions);	-
109		-
110	qreal margin() const;	-
111	void setMargin(qreal pointDistanceThreshold);	-
112		-
113	Q_SIGNALS:	-
114	void enabledChanged();	-
115	void activeChanged();	-
116	void targetChanged();	-
117	void marginChanged();	-
118	void grabChanged(QQuickEventPoint::GrabState stateChange, QQuickEventPoint *point);	-
119	void grabPermissionChanged();	-
120	void canceled(QQuickEventPoint *point);	-
121		-
122	protected:	-
123	QQuickPointerHandler(QQuickPointerHandlerPrivate &dd, QObject *parent);	-
124		-
125	void classBegin() override;	-
126	void componentComplete() override;	-
127		-
128	QQuickPointerEvent *currentEvent();	-
129	virtual bool wantsPointerEvent(QQuickPointerEvent *event);	-
130	virtual bool wantsEventPoint(QQuickEventPoint *point);	-
131	virtual void handlePointerEventImpl(QQuickPointerEvent *event);	-
132	void setActive(bool active);	-
133	virtual void onTargetChanged(QQuickItem *oldTarget) { Q_UNUSED(oldTarget); } executed 80 times by 2 tests: `end of block` Executed by: tst_multipointtoucharea_interop tst_qquickdraghandler	80
134	virtual void onActiveChanged() { }	-
135	virtual void onGrabChanged(QQuickPointerHandler grabber, QQuickEventPoint::GrabState stateChange, QQuickEventPoint point);	-
136	virtual bool canGrab(QQuickEventPoint *point);	-
137	virtual bool approveGrabTransition(QQuickEventPoint point, QObject proposedGrabber);	-
138	void setPassiveGrab(QQuickEventPoint *point, bool grab = true);	-
139	bool setExclusiveGrab(QQuickEventPoint *point, bool grab = true);	-
140	void cancelAllGrabs(QQuickEventPoint *point);	-
141	QPointF eventPos(const QQuickEventPoint *point) const;	-
142	bool parentContains(const QQuickEventPoint *point) const;	-
143		-
144	friend class QQuickEventPoint;	-
145	friend class QQuickItemPrivate;	-
146	friend class QQuickWindowPrivate;	-
147		-
148	Q_DECLARE_PRIVATE(QQuickPointerHandler) executed 6560 times by 5 tests: `return reinterpret_cast<QQuickPointerHandlerPrivate >(qGetPtrHelper(d_ptr));` Executed by: tst_flickableinterop tst_multipointtoucharea_interop tst_qquickdraghandler tst_qquickpointerhandler tst_qquicktaphandler executed 12421 times by 5 tests: `return reinterpret_cast<const QQuickPointerHandlerPrivate >(qGetPtrHelper(d_ptr));` Executed by: tst_flickableinterop tst_multipointtoucharea_interop tst_qquickdraghandler tst_qquickpointerhandler tst_qquicktaphandler	6560-12421
149	};	-
150		-
151	Q_DECLARE_OPERATORS_FOR_FLAGS(QQuickPointerHandler::GrabPermissions)	-
152		-
153	QT_END_NAMESPACE	-
154		-
155	QML_DECLARE_TYPE(QQuickPointerHandler)	-
156		-
157	#endif // QQUICKPOINTERHANDLER_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 QQUICKPOINTERHANDLER_H

#define QQUICKPOINTERHANDLER_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 <QtQuick/private/qquickevents_p_p.h>

#include <QtQuick/private/qquickitem_p.h>

QT_BEGIN_NAMESPACE

Q_DECLARE_LOGGING_CATEGORY(lcPointerHandlerDispatch)

class QQuickPointerHandlerPrivate;

class Q_QUICK_PRIVATE_EXPORT QQuickPointerHandler : public QObject, public QQmlParserStatus

{

Q_OBJECT

Q_INTERFACES(QQmlParserStatus)

Q_PROPERTY(bool enabled READ enabled WRITE setEnabled NOTIFY enabledChanged)

Q_PROPERTY(bool active READ active NOTIFY activeChanged)

Q_PROPERTY(QQuickItem * target READ target WRITE setTarget NOTIFY targetChanged)

Q_PROPERTY(QQuickItem * parent READ parentItem CONSTANT)

Q_PROPERTY(GrabPermissions grabPermissions READ grabPermissions WRITE setGrabPermissions NOTIFY grabPermissionChanged)

Q_PROPERTY(qreal margin READ margin WRITE setMargin NOTIFY marginChanged)

public:

explicit QQuickPointerHandler(QObject *parent = nullptr);

virtual ~QQuickPointerHandler();

enum GrabPermission {

TakeOverForbidden = 0x0,

CanTakeOverFromHandlersOfSameType = 0x01,

CanTakeOverFromHandlersOfDifferentType= 0x02,

CanTakeOverFromItems = 0x04,

CanTakeOverFromAnything = 0x0F,

ApprovesTakeOverByHandlersOfSameType = 0x10,

ApprovesTakeOverByHandlersOfDifferentType= 0x20,

ApprovesTakeOverByItems = 0x40,

ApprovesCancellation = 0x80,

ApprovesTakeOverByAnything = 0xF0

};

Q_DECLARE_FLAGS(GrabPermissions, GrabPermission)

Q_FLAG(GrabPermissions)

public:

bool enabled() const;

void setEnabled(bool enabled);

bool active() const;

100

QQuickItem *target() const;

101

void setTarget(QQuickItem *target);

102

103

QQuickItem * parentItem() const;

104

105

void handlePointerEvent(QQuickPointerEvent *event);

106

107

GrabPermissions grabPermissions() const;

108

void setGrabPermissions(GrabPermissions grabPermissions);

109

110

qreal margin() const;

111

void setMargin(qreal pointDistanceThreshold);

112

113

Q_SIGNALS:

114

void enabledChanged();

115

void activeChanged();

116

void targetChanged();

117

void marginChanged();

118

void grabChanged(QQuickEventPoint::GrabState stateChange, QQuickEventPoint *point);

119

void grabPermissionChanged();

120

void canceled(QQuickEventPoint *point);

121

122

protected:

123

QQuickPointerHandler(QQuickPointerHandlerPrivate &dd, QObject *parent);

124

125

void classBegin() override;

126

void componentComplete() override;

127

128

QQuickPointerEvent *currentEvent();

129

virtual bool wantsPointerEvent(QQuickPointerEvent *event);

130

virtual bool wantsEventPoint(QQuickEventPoint *point);

131

virtual void handlePointerEventImpl(QQuickPointerEvent *event);

132

void setActive(bool active);

133

virtual void onTargetChanged(QQuickItem *oldTarget) { Q_UNUSED(oldTarget); }

executed 80 times by 2 tests: end of block

Executed by:

tst_multipointtoucharea_interop
tst_qquickdraghandler

134

virtual void onActiveChanged() { }

135

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

136

virtual bool canGrab(QQuickEventPoint *point);

137

virtual bool approveGrabTransition(QQuickEventPoint *point, QObject *proposedGrabber);

138

void setPassiveGrab(QQuickEventPoint *point, bool grab = true);

139

bool setExclusiveGrab(QQuickEventPoint *point, bool grab = true);

140

void cancelAllGrabs(QQuickEventPoint *point);

141

QPointF eventPos(const QQuickEventPoint *point) const;

142

bool parentContains(const QQuickEventPoint *point) const;

143

144

friend class QQuickEventPoint;

145

friend class QQuickItemPrivate;

146

friend class QQuickWindowPrivate;

147

148

Q_DECLARE_PRIVATE(QQuickPointerHandler)

executed 6560 times by 5 tests: return reinterpret_cast<QQuickPointerHandlerPrivate *>(qGetPtrHelper(d_ptr));

Executed by:

tst_flickableinterop
tst_multipointtoucharea_interop
tst_qquickdraghandler
tst_qquickpointerhandler
tst_qquicktaphandler

executed 12421 times by 5 tests: return reinterpret_cast<const QQuickPointerHandlerPrivate *>(qGetPtrHelper(d_ptr));

Executed by:

tst_flickableinterop
tst_multipointtoucharea_interop
tst_qquickdraghandler
tst_qquickpointerhandler
tst_qquicktaphandler

6560-12421

149

};

150

151

Q_DECLARE_OPERATORS_FOR_FLAGS(QQuickPointerHandler::GrabPermissions)

QT_END_NAMESPACE

QML_DECLARE_TYPE(QQuickPointerHandler)

156

157

#endif // QQUICKPOINTERHANDLER_H

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