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39 | |
40 | #ifndef QQMLBIND_H |
41 | #define QQMLBIND_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 | |
56 | #include <QtCore/qobject.h> |
57 | |
58 | QT_BEGIN_NAMESPACE |
59 | |
60 | class QQmlBindPrivate; |
61 | class Q_AUTOTEST_EXPORT QQmlBind : public QObject, public QQmlPropertyValueSource, public QQmlParserStatus |
62 | { |
63 | public: |
64 | enum RestorationMode { |
65 | RestoreNone = 0x0, |
66 | RestoreBinding = 0x1, |
67 | RestoreValue = 0x2, |
68 | RestoreBindingOrValue = RestoreBinding | RestoreValue |
69 | }; |
70 | |
71 | private: |
72 | Q_OBJECT |
73 | Q_DECLARE_PRIVATE(QQmlBind) |
74 | Q_INTERFACES(QQmlParserStatus) |
75 | Q_INTERFACES(QQmlPropertyValueSource) |
76 | Q_PROPERTY(QObject *target READ object WRITE setObject) |
77 | Q_PROPERTY(QString property READ property WRITE setProperty) |
78 | Q_PROPERTY(QJSValue value READ value WRITE setValue) |
79 | Q_PROPERTY(bool when READ when WRITE setWhen) |
80 | Q_PROPERTY(bool delayed READ delayed WRITE setDelayed REVISION 8) |
81 | Q_PROPERTY(RestorationMode restoreMode READ restoreMode WRITE setRestoreMode |
82 | NOTIFY restoreModeChanged REVISION 14) |
83 | Q_ENUM(RestorationMode) |
84 | QML_NAMED_ELEMENT(Binding) |
85 | |
86 | public: |
87 | QQmlBind(QObject *parent=nullptr); |
88 | ~QQmlBind(); |
89 | |
90 | bool when() const; |
91 | void setWhen(bool); |
92 | |
93 | QObject *object(); |
94 | void setObject(QObject *); |
95 | |
96 | QString property() const; |
97 | void setProperty(const QString &); |
98 | |
99 | QJSValue value() const; |
100 | void setValue(const QJSValue &); |
101 | |
102 | bool delayed() const; |
103 | void setDelayed(bool); |
104 | |
105 | RestorationMode restoreMode() const; |
106 | void setRestoreMode(RestorationMode); |
107 | |
108 | Q_SIGNALS: |
109 | void restoreModeChanged(); |
110 | |
111 | protected: |
112 | void setTarget(const QQmlProperty &) override; |
113 | void classBegin() override; |
114 | void componentComplete() override; |
115 | |
116 | private: |
117 | void prepareEval(); |
118 | void eval(); |
119 | |
120 | private Q_SLOTS: |
121 | void targetValueChanged(); |
122 | }; |
123 | |
124 | QT_END_NAMESPACE |
125 | |
126 | QML_DECLARE_TYPE(QQmlBind) |
127 | |
128 | #endif |
129 | |