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qquickpackage.cpp

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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 QtQml module of the Qt Toolkit.-
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38****************************************************************************/-
39-
40#include "qquickpackage_p.h"-
41-
42#include <private/qobject_p.h>-
43#include <private/qqmlguard_p.h>-
44-
45QT_BEGIN_NAMESPACE-
46-
47/*!-
48 \qmltype Package-
49 \instantiates QQuickPackage-
50 \inqmlmodule QtQuick-
51 \ingroup qtquick-views-
52 \brief Specifies a collection of named items.-
53-
54 The Package type is used in conjunction with-
55 DelegateModel to enable delegates with a shared context-
56 to be provided to multiple views.-
57-
58 Any item within a Package may be assigned a name via the-
59 \l{Package::name}{Package.name} attached property.-
60-
61 The example below creates a Package containing two named items;-
62 \e list and \e grid. The third item in the package (the \l Rectangle) is parented to whichever-
63 delegate it should appear in. This allows an item to move-
64 between views.-
65-
66 \snippet package/Delegate.qml 0-
67-
68 These named items are used as the delegates by the two views who-
69 reference the special \l{DelegateModel::parts} property to select-
70 a model which provides the chosen delegate.-
71-
72 \snippet package/view.qml 0-
73-
74 \sa {Qt Quick Examples - Views}, {Qt Quick Demo - Photo Viewer}, {Qt QML}-
75*/-
76-
77/*!-
78 \qmlattachedproperty string QtQuick::Package::name-
79 This attached property holds the name of an item within a Package.-
80*/-
81-
82-
83class QQuickPackagePrivate : public QObjectPrivate-
84{-
85public:-
86 QQuickPackagePrivate() {}-
87-
88 struct DataGuard : public QQmlGuard<QObject>-
89 {-
90 DataGuard(QObject *obj, QList<DataGuard> *l) : list(l) { (QQmlGuard<QObject>&)*this = obj; }
executed 5334 times by 6 tests: end of block
Executed by:
  • tst_examples
  • tst_qquickgridview
  • tst_qquicklistview
  • tst_qquickpathview
  • tst_qquickrepeater
  • tst_qquickvisualdatamodel
5334
91 QList<DataGuard> *list;-
92 void objectDestroyed(QObject *) override {-
93 // we assume priv will always be destroyed after objectDestroyed calls-
94 list->removeOne(*this);-
95 }
executed 5334 times by 6 tests: end of block
Executed by:
  • tst_examples
  • tst_qquickgridview
  • tst_qquicklistview
  • tst_qquickpathview
  • tst_qquickrepeater
  • tst_qquickvisualdatamodel
5334
96 };-
97-
98 QList<DataGuard> dataList;-
99 static void data_append(QQmlListProperty<QObject> *prop, QObject *o) {-
100 QList<DataGuard> *list = static_cast<QList<DataGuard> *>(prop->data);-
101 list->append(DataGuard(o, list));-
102 }
executed 5334 times by 6 tests: end of block
Executed by:
  • tst_examples
  • tst_qquickgridview
  • tst_qquicklistview
  • tst_qquickpathview
  • tst_qquickrepeater
  • tst_qquickvisualdatamodel
5334
103 static void data_clear(QQmlListProperty<QObject> *prop) {-
104 QList<DataGuard> *list = static_cast<QList<DataGuard> *>(prop->data);-
105 list->clear();-
106 }
never executed: end of block
0
107 static QObject *data_at(QQmlListProperty<QObject> *prop, int index) {-
108 QList<DataGuard> *list = static_cast<QList<DataGuard> *>(prop->data);-
109 return list->at(index);
never executed: return list->at(index);
0
110 }-
111 static int data_count(QQmlListProperty<QObject> *prop) {-
112 QList<DataGuard> *list = static_cast<QList<DataGuard> *>(prop->data);-
113 return list->count();
never executed: return list->count();
0
114 }-
115};-
116-
117QHash<QObject *, QQuickPackageAttached *> QQuickPackageAttached::attached;-
118-
119QQuickPackageAttached::QQuickPackageAttached(QObject *parent)-
120: QObject(parent)-
121{-
122 attached.insert(parent, this);-
123}
executed 5226 times by 6 tests: end of block
Executed by:
  • tst_examples
  • tst_qquickgridview
  • tst_qquicklistview
  • tst_qquickpathview
  • tst_qquickrepeater
  • tst_qquickvisualdatamodel
5226
124-
125QQuickPackageAttached::~QQuickPackageAttached()-
126{-
127 attached.remove(parent());-
128}
executed 5226 times by 6 tests: end of block
Executed by:
  • tst_examples
  • tst_qquickgridview
  • tst_qquicklistview
  • tst_qquickpathview
  • tst_qquickrepeater
  • tst_qquickvisualdatamodel
5226
129-
130QString QQuickPackageAttached::name() const-
131{-
132 return _name;
executed 18694 times by 6 tests: return _name;
Executed by:
  • tst_examples
  • tst_qquickgridview
  • tst_qquicklistview
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18694
133}-
134-
135void QQuickPackageAttached::setName(const QString &n)-
136{-
137 _name = n;-
138}
executed 5226 times by 6 tests: end of block
Executed by:
  • tst_examples
  • tst_qquickgridview
  • tst_qquicklistview
  • tst_qquickpathview
  • tst_qquickrepeater
  • tst_qquickvisualdatamodel
5226
139-
140QQuickPackage::QQuickPackage(QObject *parent)-
141 : QObject(*(new QQuickPackagePrivate), parent)-
142{-
143}
executed 4962 times by 6 tests: end of block
Executed by:
  • tst_examples
  • tst_qquickgridview
  • tst_qquicklistview
  • tst_qquickpathview
  • tst_qquickrepeater
  • tst_qquickvisualdatamodel
4962
144-
145QQuickPackage::~QQuickPackage()-
146{-
147}-
148-
149QQmlListProperty<QObject> QQuickPackage::data()-
150{-
151 Q_D(QQuickPackage);-
152 return QQmlListProperty<QObject>(this, &d->dataList, QQuickPackagePrivate::data_append,
executed 4962 times by 6 tests: return QQmlListProperty<QObject>(this, &d->dataList, QQuickPackagePrivate::data_append, QQuickPackagePrivate::data_count, QQuickPackagePrivate::data_at, QQuickPackagePrivate::data_clear);
Executed by:
  • tst_examples
  • tst_qquickgridview
  • tst_qquicklistview
  • tst_qquickpathview
  • tst_qquickrepeater
  • tst_qquickvisualdatamodel
4962
153 QQuickPackagePrivate::data_count,
executed 4962 times by 6 tests: return QQmlListProperty<QObject>(this, &d->dataList, QQuickPackagePrivate::data_append, QQuickPackagePrivate::data_count, QQuickPackagePrivate::data_at, QQuickPackagePrivate::data_clear);
Executed by:
  • tst_examples
  • tst_qquickgridview
  • tst_qquicklistview
  • tst_qquickpathview
  • tst_qquickrepeater
  • tst_qquickvisualdatamodel
4962
154 QQuickPackagePrivate::data_at,
executed 4962 times by 6 tests: return QQmlListProperty<QObject>(this, &d->dataList, QQuickPackagePrivate::data_append, QQuickPackagePrivate::data_count, QQuickPackagePrivate::data_at, QQuickPackagePrivate::data_clear);
Executed by:
  • tst_examples
  • tst_qquickgridview
  • tst_qquicklistview
  • tst_qquickpathview
  • tst_qquickrepeater
  • tst_qquickvisualdatamodel
4962
155 QQuickPackagePrivate::data_clear);
executed 4962 times by 6 tests: return QQmlListProperty<QObject>(this, &d->dataList, QQuickPackagePrivate::data_append, QQuickPackagePrivate::data_count, QQuickPackagePrivate::data_at, QQuickPackagePrivate::data_clear);
Executed by:
  • tst_examples
  • tst_qquickgridview
  • tst_qquicklistview
  • tst_qquickpathview
  • tst_qquickrepeater
  • tst_qquickvisualdatamodel
4962
156}-
157-
158bool QQuickPackage::hasPart(const QString &name)-
159{-
160 Q_D(QQuickPackage);-
161 for (int ii = 0; ii < d->dataList.count(); ++ii) {
ii < d->dataList.count()Description
TRUEnever evaluated
FALSEnever evaluated
0
162 QObject *obj = d->dataList.at(ii);-
163 QQuickPackageAttached *a = QQuickPackageAttached::attached.value(obj);-
164 if (a && a->name() == name)
aDescription
TRUEnever evaluated
FALSEnever evaluated
a->name() == nameDescription
TRUEnever evaluated
FALSEnever evaluated
0
165 return true;
never executed: return true;
0
166 }
never executed: end of block
0
167 return false;
never executed: return false;
0
168}-
169-
170QObject *QQuickPackage::part(const QString &name)-
171{-
172 Q_D(QQuickPackage);-
173 if (name.isEmpty() && !d->dataList.isEmpty())
name.isEmpty()Description
TRUEnever evaluated
FALSEevaluated 17892 times by 6 tests
Evaluated by:
  • tst_examples
  • tst_qquickgridview
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  • tst_qquickrepeater
  • tst_qquickvisualdatamodel
!d->dataList.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
0-17892
174 return d->dataList.at(0);
never executed: return d->dataList.at(0);
0
175-
176 for (int ii = 0; ii < d->dataList.count(); ++ii) {
ii < d->dataList.count()Description
TRUEevaluated 18694 times by 6 tests
Evaluated by:
  • tst_examples
  • tst_qquickgridview
  • tst_qquicklistview
  • tst_qquickpathview
  • tst_qquickrepeater
  • tst_qquickvisualdatamodel
FALSEnever evaluated
0-18694
177 QObject *obj = d->dataList.at(ii);-
178 QQuickPackageAttached *a = QQuickPackageAttached::attached.value(obj);-
179 if (a && a->name() == name)
aDescription
TRUEevaluated 18694 times by 6 tests
Evaluated by:
  • tst_examples
  • tst_qquickgridview
  • tst_qquicklistview
  • tst_qquickpathview
  • tst_qquickrepeater
  • tst_qquickvisualdatamodel
FALSEnever evaluated
a->name() == nameDescription
TRUEevaluated 17892 times by 6 tests
Evaluated by:
  • tst_examples
  • tst_qquickgridview
  • tst_qquicklistview
  • tst_qquickpathview
  • tst_qquickrepeater
  • tst_qquickvisualdatamodel
FALSEevaluated 802 times by 6 tests
Evaluated by:
  • tst_examples
  • tst_qquickgridview
  • tst_qquicklistview
  • tst_qquickpathview
  • tst_qquickrepeater
  • tst_qquickvisualdatamodel
0-18694
180 return obj;
executed 17892 times by 6 tests: return obj;
Executed by:
  • tst_examples
  • tst_qquickgridview
  • tst_qquicklistview
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  • tst_qquickrepeater
  • tst_qquickvisualdatamodel
17892
181 }
executed 802 times by 6 tests: end of block
Executed by:
  • tst_examples
  • tst_qquickgridview
  • tst_qquicklistview
  • tst_qquickpathview
  • tst_qquickrepeater
  • tst_qquickvisualdatamodel
802
182-
183 if (name == QLatin1String("default") && !d->dataList.isEmpty())
name == QLatin...ing("default")Description
TRUEnever evaluated
FALSEnever evaluated
!d->dataList.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
0
184 return d->dataList.at(0);
never executed: return d->dataList.at(0);
0
185-
186 return nullptr;
never executed: return nullptr;
0
187}-
188-
189QQuickPackageAttached *QQuickPackage::qmlAttachedProperties(QObject *o)-
190{-
191 return new QQuickPackageAttached(o);
executed 5226 times by 6 tests: return new QQuickPackageAttached(o);
Executed by:
  • tst_examples
  • tst_qquickgridview
  • tst_qquicklistview
  • tst_qquickpathview
  • tst_qquickrepeater
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5226
192}-
193-
194-
195-
196QT_END_NAMESPACE-
197-
198#include "moc_qquickpackage_p.cpp"-
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