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39 | |
40 | #ifndef QQMLPROPERTY_P_H |
41 | #define QQMLPROPERTY_P_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 "qqmlproperty.h" |
55 | #include "qqmlengine.h" |
56 | |
57 | #include <private/qobject_p.h> |
58 | #include <private/qtqmlglobal_p.h> |
59 | #include <private/qqmlrefcount_p.h> |
60 | #include <private/qqmlcontext_p.h> |
61 | #include <private/qqmlboundsignalexpressionpointer_p.h> |
62 | #include <private/qqmlpropertydata_p.h> |
63 | |
64 | QT_BEGIN_NAMESPACE |
65 | |
66 | class QQmlContext; |
67 | class QQmlEnginePrivate; |
68 | class QQmlJavaScriptExpression; |
69 | class QQmlMetaObject; |
70 | |
71 | class Q_QML_PRIVATE_EXPORT QQmlPropertyPrivate : public QQmlRefCount |
72 | { |
73 | public: |
74 | QQmlGuardedContextData context; |
75 | QPointer<QQmlEngine> engine; |
76 | QPointer<QObject> object; |
77 | |
78 | QQmlPropertyData core; |
79 | QQmlPropertyData valueTypeData; |
80 | |
81 | bool isNameCached:1; |
82 | QString nameCache; |
83 | |
84 | QQmlPropertyPrivate(); |
85 | |
86 | QQmlPropertyIndex encodedIndex() const |
87 | { return encodedIndex(core, valueTypeData); } |
88 | static QQmlPropertyIndex encodedIndex(const QQmlPropertyData &core, const QQmlPropertyData &valueTypeData) |
89 | { return QQmlPropertyIndex(core.coreIndex(), valueTypeData.coreIndex()); } |
90 | |
91 | inline QQmlContextData *effectiveContext() const; |
92 | |
93 | void initProperty(QObject *obj, const QString &name); |
94 | void initDefault(QObject *obj); |
95 | |
96 | bool isValueType() const; |
97 | int propertyType() const; |
98 | QQmlProperty::Type type() const; |
99 | QQmlProperty::PropertyTypeCategory propertyTypeCategory() const; |
100 | |
101 | QVariant readValueProperty(); |
102 | bool writeValueProperty(const QVariant &, QQmlPropertyData::WriteFlags); |
103 | |
104 | static QQmlMetaObject rawMetaObjectForType(QQmlEnginePrivate *, int); |
105 | static bool writeEnumProperty(const QMetaProperty &prop, int idx, QObject *object, |
106 | const QVariant &value, int flags); |
107 | static bool writeValueProperty(QObject *, |
108 | const QQmlPropertyData &, const QQmlPropertyData &valueTypeData, |
109 | const QVariant &, QQmlContextData *, |
110 | QQmlPropertyData::WriteFlags flags = {}); |
111 | static bool write(QObject *, const QQmlPropertyData &, const QVariant &, |
112 | QQmlContextData *, QQmlPropertyData::WriteFlags flags = {}); |
113 | static void findAliasTarget(QObject *, QQmlPropertyIndex, QObject **, QQmlPropertyIndex *); |
114 | |
115 | enum BindingFlag { |
116 | None = 0, |
117 | DontEnable = 0x1 |
118 | }; |
119 | Q_DECLARE_FLAGS(BindingFlags, BindingFlag) |
120 | |
121 | static void setBinding(QQmlAbstractBinding *binding, BindingFlags flags = None, |
122 | QQmlPropertyData::WriteFlags writeFlags = QQmlPropertyData::DontRemoveBinding); |
123 | |
124 | static void removeBinding(const QQmlProperty &that); |
125 | static void removeBinding(QObject *o, QQmlPropertyIndex index); |
126 | static void removeBinding(QQmlAbstractBinding *b); |
127 | static QQmlAbstractBinding *binding(QObject *, QQmlPropertyIndex index); |
128 | |
129 | static QQmlProperty restore(QObject *, const QQmlPropertyData &, const QQmlPropertyData *, QQmlContextData *); |
130 | |
131 | int signalIndex() const; |
132 | |
133 | static inline QQmlPropertyPrivate *get(const QQmlProperty &p) { return p.d; } |
134 | |
135 | // "Public" (to QML) methods |
136 | static QQmlAbstractBinding *binding(const QQmlProperty &that); |
137 | static void setBinding(const QQmlProperty &that, QQmlAbstractBinding *); |
138 | static QQmlBoundSignalExpression *signalExpression(const QQmlProperty &that); |
139 | static void setSignalExpression(const QQmlProperty &that, QQmlBoundSignalExpression *); |
140 | static void takeSignalExpression(const QQmlProperty &that, QQmlBoundSignalExpression *); |
141 | static bool write(const QQmlProperty &that, const QVariant &, QQmlPropertyData::WriteFlags); |
142 | static QQmlPropertyIndex propertyIndex(const QQmlProperty &that); |
143 | static QMetaMethod findSignalByName(const QMetaObject *mo, const QByteArray &); |
144 | static bool connect(const QObject *sender, int signal_index, |
145 | const QObject *receiver, int method_index, |
146 | int type = 0, int *types = nullptr); |
147 | static void flushSignal(const QObject *sender, int signal_index); |
148 | |
149 | static QVariant resolvedUrlSequence(const QVariant &value, QQmlContextData *context); |
150 | static QQmlProperty create(QObject *target, const QString &propertyName, QQmlContextData *context); |
151 | |
152 | }; |
153 | |
154 | Q_DECLARE_OPERATORS_FOR_FLAGS(QQmlPropertyPrivate::BindingFlags) |
155 | |
156 | QT_END_NAMESPACE |
157 | |
158 | #endif // QQMLPROPERTY_P_H |
159 | |