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39
40#ifndef DESIGNERCUSTOMOBJECTDATA_H
41#define DESIGNERCUSTOMOBJECTDATA_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 "qquickdesignersupport_p.h"
55
56#include <QHash>
57#include <QObject>
58#include <QVariant>
59
60#include <private/qqmlbinding_p.h>
61
62QT_BEGIN_NAMESPACE
63class QQmlContext;
64
65class QQuickDesignerCustomObjectData
66{
67public:
68 static void registerData(QObject *object);
69 static QQuickDesignerCustomObjectData *get(QObject *object);
70 static QVariant getResetValue(QObject *object, const QQuickDesignerSupport::PropertyName &propertyName);
71 static void doResetProperty(QObject *object, QQmlContext *context, const QQuickDesignerSupport::PropertyName &propertyName);
72 static bool hasValidResetBinding(QObject *object, const QQuickDesignerSupport::PropertyName &propertyName);
73 static bool hasBindingForProperty(QObject *object,
74 QQmlContext *context,
75 const QQuickDesignerSupport::PropertyName &propertyName,
76 bool *hasChanged);
77 static void setPropertyBinding(QObject *object,
78 QQmlContext *context,
79 const QQuickDesignerSupport::PropertyName &propertyName,
80 const QString &expression);
81 static void keepBindingFromGettingDeleted(QObject *object,
82 QQmlContext *context,
83 const QQuickDesignerSupport::PropertyName &propertyName);
84 void handleDestroyed();
85
86private:
87 QQuickDesignerCustomObjectData(QObject *object);
88 void populateResetHashes();
89 QObject *object() const;
90 QVariant getResetValue(const QQuickDesignerSupport::PropertyName &propertyName) const;
91 void doResetProperty(QQmlContext *context, const QQuickDesignerSupport::PropertyName &propertyName);
92 bool hasValidResetBinding(const QQuickDesignerSupport::PropertyName &propertyName) const;
93 QQmlAbstractBinding *getResetBinding(const QQuickDesignerSupport::PropertyName &propertyName) const;
94 bool hasBindingForProperty(QQmlContext *context, const QQuickDesignerSupport::PropertyName &propertyName, bool *hasChanged) const;
95 void setPropertyBinding(QQmlContext *context, const QQuickDesignerSupport::PropertyName &propertyName, const QString &expression);
96 void keepBindingFromGettingDeleted(QQmlContext *context, const QQuickDesignerSupport::PropertyName &propertyName);
97
98 QObject *m_object;
99 QHash<QQuickDesignerSupport::PropertyName, QVariant> m_resetValueHash;
100 QHash<QQuickDesignerSupport::PropertyName, QQmlAbstractBinding::Ptr> m_resetBindingHash;
101 mutable QHash<QQuickDesignerSupport::PropertyName, bool> m_hasBindingHash;
102};
103
104QT_END_NAMESPACE
105
106#endif // DESIGNERCUSTOMOBJECTDATA_H
107

source code of qtdeclarative/src/quick/designer/qquickdesignercustomobjectdata_p.h