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39
40#ifndef QQUICKSTATEGROUP_H
41#define QQUICKSTATEGROUP_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 "qquickstate_p.h"
55
56QT_BEGIN_NAMESPACE
57
58class QQuickStateGroupPrivate;
59class Q_QUICK_PRIVATE_EXPORT QQuickStateGroup : public QObject, public QQmlParserStatus
60{
61 Q_OBJECT
62 Q_INTERFACES(QQmlParserStatus)
63 Q_DECLARE_PRIVATE(QQuickStateGroup)
64
65 Q_PROPERTY(QString state READ state WRITE setState NOTIFY stateChanged)
66 Q_PROPERTY(QQmlListProperty<QQuickState> states READ statesProperty DESIGNABLE false)
67 Q_PROPERTY(QQmlListProperty<QQuickTransition> transitions READ transitionsProperty DESIGNABLE false)
68 QML_NAMED_ELEMENT(StateGroup)
69
70public:
71 QQuickStateGroup(QObject * = nullptr);
72 virtual ~QQuickStateGroup();
73
74 QString state() const;
75 void setState(const QString &);
76
77 QQmlListProperty<QQuickState> statesProperty();
78 QList<QQuickState *> states() const;
79
80 QQmlListProperty<QQuickTransition> transitionsProperty();
81
82 QQuickState *findState(const QString &name) const;
83 void removeState(QQuickState *state);
84
85 void classBegin() override;
86 void componentComplete() override;
87Q_SIGNALS:
88 void stateChanged(const QString &);
89
90private:
91 friend class QQuickState;
92 friend class QQuickStatePrivate;
93 bool updateAutoState();
94 void stateAboutToComplete();
95};
96
97QT_END_NAMESPACE
98
99QML_DECLARE_TYPE(QQuickStateGroup)
100
101#endif // QQUICKSTATEGROUP_H
102

source code of qtdeclarative/src/quick/util/qquickstategroup_p.h