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qquickstate_p.h

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/home/opencoverage/opencoverage/guest-scripts/qtdeclarative/src/qtdeclarative/src/quick/util/qquickstate_p.h

Line	Source	Count
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	-
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 QQUICKSTATE_H	-
41	#define QQUICKSTATE_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 <qqml.h>	-
55	#include <qqmlproperty.h>	-
56	#include <QtCore/qobject.h>	-
57	#include <QtCore/qsharedpointer.h>	-
58	#include <private/qtquickglobal_p.h>	-
59	#include <private/qqmlabstractbinding_p.h>	-
60		-
61	QT_BEGIN_NAMESPACE	-
62		-
63	class QQuickStateActionEvent;	-
64	class QQmlBinding;	-
65	class QQmlExpression;	-
66		-
67	class Q_QUICK_PRIVATE_EXPORT QQuickStateAction	-
68	{	-
69	public:	-
70	QQuickStateAction();	-
71	QQuickStateAction(QObject *, const QString &, const QVariant &);	-
72	QQuickStateAction(QObject *, const QQmlProperty &property, const QString &,	-
73	const QVariant &);	-
74		-
75	bool restore:1;	-
76	bool actionDone:1;	-
77	bool reverseEvent:1;	-
78	bool deletableToBinding:1;	-
79		-
80	QQmlProperty property;	-
81	QVariant fromValue;	-
82	QVariant toValue;	-
83		-
84	QQmlAbstractBinding::Ptr fromBinding;	-
85	QQmlAbstractBinding::Ptr toBinding;	-
86	QQuickStateActionEvent *event;	-
87		-
88	//strictly for matching	-
89	QObject *specifiedObject;	-
90	QString specifiedProperty;	-
91		-
92	void deleteFromBinding();	-
93	};	-
94		-
95	class Q_AUTOTEST_EXPORT QQuickStateActionEvent	-
96	{	-
97	public:	-
98	virtual ~QQuickStateActionEvent();	-
99		-
100	enum EventType { Script, SignalHandler, ParentChange, AnchorChanges };	-
101		-
102	virtual EventType type() const = 0;	-
103		-
104	virtual void execute();	-
105	virtual bool isReversable();	-
106	virtual void reverse();	-
107	virtual void saveOriginals() {}	-
108	virtual bool needsCopy() { return false; } never executed: `return false;`	0
109	virtual void copyOriginals(QQuickStateActionEvent *) {}	-
110		-
111	virtual bool isRewindable() { return isReversable(); } executed 44 times by 3 tests: `return isReversable();` Executed by: tst_qquickanimations tst_qquicklistview tst_qquickstates	44
112	virtual void rewind() {}	-
113	virtual void saveCurrentValues() {}	-
114	virtual void saveTargetValues() {}	-
115		-
116	virtual bool changesBindings();	-
117	virtual void clearBindings();	-
118	virtual bool mayOverride(QQuickStateActionEvent*other);	-
119	};	-
120		-
121	//### rename to QQuickStateChange?	-
122	class QQuickStateGroup;	-
123	class QQuickState;	-
124	class QQuickStateOperationPrivate;	-
125	class Q_QUICK_PRIVATE_EXPORT QQuickStateOperation : public QObject	-
126	{	-
127	Q_OBJECT	-
128	public:	-
129	QQuickStateOperation(QObject *parent = nullptr)	-
130	: QObject(parent) {} never executed: `end of block`	0
131	typedef QList<QQuickStateAction> ActionList;	-
132		-
133	virtual ActionList actions();	-
134		-
135	QQuickState *state() const;	-
136	void setState(QQuickState *state);	-
137		-
138	protected:	-
139	QQuickStateOperation(QObjectPrivate &dd, QObject *parent = nullptr);	-
140		-
141	private:	-
142	Q_DECLARE_PRIVATE(QQuickStateOperation) executed 622 times by 18 tests: `return reinterpret_cast<QQuickStateOperationPrivate >(qGetPtrHelper(d_ptr));` Executed by: tst_examples tst_qqmlbinding tst_qqmlecmascript tst_qqmlenginedebugservice tst_qqmlnotifier tst_qqmlproperty tst_qqmltranslation tst_qqmlvaluetypes tst_qquickanimations tst_qquickbehaviors tst_qquickdesignersupport tst_qquickflipable tst_qquickfontloader tst_qquickitem2 tst_qquicklistview tst_qquickmousearea tst_qquickpathview tst_qquickstates executed 60 times by 3 tests: `return reinterpret_cast<const QQuickStateOperationPrivate >(qGetPtrHelper(d_ptr));` Executed by: tst_qqmlenginedebugservice tst_qquickdesignersupport tst_qquickstates	60-622
143	Q_DISABLE_COPY(QQuickStateOperation)	-
144	};	-
145		-
146	typedef QQuickStateOperation::ActionList QQuickStateActions;	-
147		-
148	class QQuickTransition;	-
149	class QQuickStatePrivate;	-
150	class Q_QUICK_PRIVATE_EXPORT QQuickState : public QObject	-
151	{	-
152	Q_OBJECT	-
153		-
154	Q_PROPERTY(QString name READ name WRITE setName)	-
155	Q_PROPERTY(QQmlBinding *when READ when WRITE setWhen)	-
156	Q_PROPERTY(QString extend READ extends WRITE setExtends)	-
157	Q_PROPERTY(QQmlListProperty<QQuickStateOperation> changes READ changes)	-
158	Q_CLASSINFO("DefaultProperty", "changes")	-
159	Q_CLASSINFO("DeferredPropertyNames", "changes")	-
160		-
161	public:	-
162	QQuickState(QObject *parent=nullptr);	-
163	~QQuickState() override;	-
164		-
165	QString name() const;	-
166	void setName(const QString &);	-
167	bool isNamed() const;	-
168		-
169	/*'when' is a QQmlBinding to limit state changes oscillation	-
170	due to the unpredictable order of evaluation of bound expressions*/	-
171	bool isWhenKnown() const;	-
172	QQmlBinding *when() const;	-
173	void setWhen(QQmlBinding *);	-
174		-
175	QString extends() const;	-
176	void setExtends(const QString &);	-
177		-
178	QQmlListProperty<QQuickStateOperation> changes();	-
179	int operationCount() const;	-
180	QQuickStateOperation *operationAt(int) const;	-
181		-
182	QQuickState &operator<<(QQuickStateOperation *);	-
183		-
184	void apply(QQuickTransition , QQuickState revert);	-
185	void cancel();	-
186		-
187	QQuickStateGroup *stateGroup() const;	-
188	void setStateGroup(QQuickStateGroup *);	-
189		-
190	bool containsPropertyInRevertList(QObject *target, const QString &name) const;	-
191	bool changeValueInRevertList(QObject *target, const QString &name, const QVariant &revertValue);	-
192	bool changeBindingInRevertList(QObject target, const QString &name, QQmlAbstractBinding binding);	-
193	bool removeEntryFromRevertList(QObject *target, const QString &name);	-
194	void addEntryToRevertList(const QQuickStateAction &action);	-
195	void removeAllEntriesFromRevertList(QObject *target);	-
196	void addEntriesToRevertList(const QList<QQuickStateAction> &actions);	-
197	QVariant valueInRevertList(QObject *target, const QString &name) const;	-
198	QQmlAbstractBinding bindingInRevertList(QObject target, const QString &name) const;	-
199		-
200	bool isStateActive() const;	-
201		-
202	Q_SIGNALS:	-
203	void completed();	-
204		-
205	private:	-
206	Q_DECLARE_PRIVATE(QQuickState) executed 9926 times by 20 tests: `return reinterpret_cast<QQuickStatePrivate >(qGetPtrHelper(d_ptr));` Executed by: tst_examples tst_qqmlbinding tst_qqmlecmascript tst_qqmlenginedebugservice tst_qqmllistreference tst_qqmlnotifier tst_qqmlproperty tst_qqmltranslation tst_qqmlvaluetypes tst_qquickanimations tst_qquickbehaviors tst_qquickdesignersupport tst_qquickflipable tst_qquickfontloader tst_qquickitem2 tst_qquicklistview tst_qquickloader tst_qquickmousearea tst_qquickpathview tst_qquickstates executed 6286 times by 19 tests: `return reinterpret_cast<const QQuickStatePrivate >(qGetPtrHelper(d_ptr));` Executed by: tst_examples tst_qqmlbinding tst_qqmlecmascript tst_qqmlenginedebugservice tst_qqmllistreference tst_qqmlnotifier tst_qqmlproperty tst_qqmltranslation tst_qqmlvaluetypes tst_qquickanimations tst_qquickbehaviors tst_qquickdesignersupport tst_qquickflipable tst_qquickfontloader tst_qquickitem2 tst_qquicklistview tst_qquickmousearea tst_qquickpathview tst_qquickstates	6286-9926
207	Q_DISABLE_COPY(QQuickState)	-
208	};	-
209		-
210	QT_END_NAMESPACE	-
211		-
212	QML_DECLARE_TYPE(QQuickStateOperation)	-
213	QML_DECLARE_TYPE(QQuickState)	-
214		-
215	#endif // QQUICKSTATE_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 QQUICKSTATE_H

#define QQUICKSTATE_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 <qqml.h>

#include <qqmlproperty.h>

#include <QtCore/qobject.h>

#include <QtCore/qsharedpointer.h>

#include <private/qtquickglobal_p.h>

#include <private/qqmlabstractbinding_p.h>

QT_BEGIN_NAMESPACE

class QQuickStateActionEvent;

class QQmlBinding;

class QQmlExpression;

class Q_QUICK_PRIVATE_EXPORT QQuickStateAction

{

public:

QQuickStateAction();

QQuickStateAction(QObject *, const QString &, const QVariant &);

QQuickStateAction(QObject *, const QQmlProperty &property, const QString &,

const QVariant &);

bool restore:1;

bool actionDone:1;

bool reverseEvent:1;

bool deletableToBinding:1;

QQmlProperty property;

QVariant fromValue;

QVariant toValue;

QQmlAbstractBinding::Ptr fromBinding;

QQmlAbstractBinding::Ptr toBinding;

QQuickStateActionEvent *event;

//strictly for matching

QObject *specifiedObject;

QString specifiedProperty;

void deleteFromBinding();

};

class Q_AUTOTEST_EXPORT QQuickStateActionEvent

{

public:

virtual ~QQuickStateActionEvent();

100

enum EventType { Script, SignalHandler, ParentChange, AnchorChanges };

101

102

virtual EventType type() const = 0;

103

104

virtual void execute();

105

virtual bool isReversable();

106

virtual void reverse();

107

virtual void saveOriginals() {}

108

virtual bool needsCopy() { return false; }

never executed: return false;

109

virtual void copyOriginals(QQuickStateActionEvent *) {}

110

111

virtual bool isRewindable() { return isReversable(); }

executed 44 times by 3 tests: return isReversable();

Executed by:

tst_qquickanimations
tst_qquicklistview
tst_qquickstates

112

virtual void rewind() {}

113

virtual void saveCurrentValues() {}

114

virtual void saveTargetValues() {}

115

116

virtual bool changesBindings();

117

virtual void clearBindings();

118

virtual bool mayOverride(QQuickStateActionEvent*other);

119

};

120

121

//### rename to QQuickStateChange?

122

class QQuickStateGroup;

123

class QQuickState;

124

class QQuickStateOperationPrivate;

125

class Q_QUICK_PRIVATE_EXPORT QQuickStateOperation : public QObject

{

Q_OBJECT

public:

QQuickStateOperation(QObject *parent = nullptr)

130

: QObject(parent) {}

never executed: end of block

131

typedef QList<QQuickStateAction> ActionList;

132

133

virtual ActionList actions();

134

135

QQuickState *state() const;

136

void setState(QQuickState *state);

137

138

protected:

139

QQuickStateOperation(QObjectPrivate &dd, QObject *parent = nullptr);

140

141

private:

142

Q_DECLARE_PRIVATE(QQuickStateOperation)

executed 622 times by 18 tests: return reinterpret_cast<QQuickStateOperationPrivate *>(qGetPtrHelper(d_ptr));

Executed by:

tst_examples
tst_qqmlbinding
tst_qqmlecmascript
tst_qqmlenginedebugservice
tst_qqmlnotifier
tst_qqmlproperty
tst_qqmltranslation
tst_qqmlvaluetypes
tst_qquickanimations
tst_qquickbehaviors
tst_qquickdesignersupport
tst_qquickflipable
tst_qquickfontloader
tst_qquickitem2
tst_qquicklistview
tst_qquickmousearea
tst_qquickpathview
tst_qquickstates

executed 60 times by 3 tests: return reinterpret_cast<const QQuickStateOperationPrivate *>(qGetPtrHelper(d_ptr));

Executed by:

tst_qqmlenginedebugservice
tst_qquickdesignersupport
tst_qquickstates

60-622

143

Q_DISABLE_COPY(QQuickStateOperation)

144

};

145

146

typedef QQuickStateOperation::ActionList QQuickStateActions;

147

148

class QQuickTransition;

149

class QQuickStatePrivate;

150

class Q_QUICK_PRIVATE_EXPORT QQuickState : public QObject

{

Q_OBJECT

Q_PROPERTY(QString name READ name WRITE setName)

155

Q_PROPERTY(QQmlBinding *when READ when WRITE setWhen)

156

Q_PROPERTY(QString extend READ extends WRITE setExtends)

157

Q_PROPERTY(QQmlListProperty<QQuickStateOperation> changes READ changes)

158

Q_CLASSINFO("DefaultProperty", "changes")

159

Q_CLASSINFO("DeferredPropertyNames", "changes")

160

161

public:

162

QQuickState(QObject *parent=nullptr);

163

~QQuickState() override;

164

165

QString name() const;

166

void setName(const QString &);

167

bool isNamed() const;

168

169

/*'when' is a QQmlBinding to limit state changes oscillation

170

due to the unpredictable order of evaluation of bound expressions*/

171

bool isWhenKnown() const;

172

QQmlBinding *when() const;

173

void setWhen(QQmlBinding *);

174

175

QString extends() const;

176

void setExtends(const QString &);

177

178

QQmlListProperty<QQuickStateOperation> changes();

179

int operationCount() const;

180

QQuickStateOperation *operationAt(int) const;

181

182

QQuickState &operator<<(QQuickStateOperation *);

183

184

void apply(QQuickTransition *, QQuickState *revert);

185

void cancel();

186

187

QQuickStateGroup *stateGroup() const;

188

void setStateGroup(QQuickStateGroup *);

189

190

bool containsPropertyInRevertList(QObject *target, const QString &name) const;

191

bool changeValueInRevertList(QObject *target, const QString &name, const QVariant &revertValue);

192

bool changeBindingInRevertList(QObject *target, const QString &name, QQmlAbstractBinding *binding);

193

bool removeEntryFromRevertList(QObject *target, const QString &name);

194

void addEntryToRevertList(const QQuickStateAction &action);

195

void removeAllEntriesFromRevertList(QObject *target);

196

void addEntriesToRevertList(const QList<QQuickStateAction> &actions);

197

QVariant valueInRevertList(QObject *target, const QString &name) const;

198

QQmlAbstractBinding *bindingInRevertList(QObject *target, const QString &name) const;

199

200

bool isStateActive() const;

Q_SIGNALS:

void completed();

private:

Q_DECLARE_PRIVATE(QQuickState)

executed 9926 times by 20 tests: return reinterpret_cast<QQuickStatePrivate *>(qGetPtrHelper(d_ptr));

Executed by:

tst_examples
tst_qqmlbinding
tst_qqmlecmascript
tst_qqmlenginedebugservice
tst_qqmllistreference
tst_qqmlnotifier
tst_qqmlproperty
tst_qqmltranslation
tst_qqmlvaluetypes
tst_qquickanimations
tst_qquickbehaviors
tst_qquickdesignersupport
tst_qquickflipable
tst_qquickfontloader
tst_qquickitem2
tst_qquicklistview
tst_qquickloader
tst_qquickmousearea
tst_qquickpathview
tst_qquickstates

executed 6286 times by 19 tests: return reinterpret_cast<const QQuickStatePrivate *>(qGetPtrHelper(d_ptr));

Executed by:

tst_examples
tst_qqmlbinding
tst_qqmlecmascript
tst_qqmlenginedebugservice
tst_qqmllistreference
tst_qqmlnotifier
tst_qqmlproperty
tst_qqmltranslation
tst_qqmlvaluetypes
tst_qquickanimations
tst_qquickbehaviors
tst_qquickdesignersupport
tst_qquickflipable
tst_qquickfontloader
tst_qquickitem2
tst_qquicklistview
tst_qquickmousearea
tst_qquickpathview
tst_qquickstates

6286-9926

207

Q_DISABLE_COPY(QQuickState)

};

QT_END_NAMESPACE

QML_DECLARE_TYPE(QQuickStateOperation)

213

QML_DECLARE_TYPE(QQuickState)

214

215

#endif // QQUICKSTATE_H

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