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39
40#ifndef QQMLCONNECTIONS_H
41#define QQMLCONNECTIONS_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#include <private/qqmlcustomparser_p.h>
56
57#include <QtCore/qobject.h>
58#include <QtCore/qstring.h>
59
60QT_BEGIN_NAMESPACE
61
62class QQmlBoundSignal;
63class QQmlContext;
64class QQmlConnectionsPrivate;
65class Q_AUTOTEST_EXPORT QQmlConnections : public QObject, public QQmlParserStatus
66{
67 Q_OBJECT
68 Q_DECLARE_PRIVATE(QQmlConnections)
69
70 Q_INTERFACES(QQmlParserStatus)
71 Q_PROPERTY(QObject *target READ target WRITE setTarget NOTIFY targetChanged)
72 Q_PROPERTY(bool enabled READ isEnabled WRITE setEnabled NOTIFY enabledChanged REVISION 3)
73 Q_PROPERTY(bool ignoreUnknownSignals READ ignoreUnknownSignals WRITE setIgnoreUnknownSignals)
74 QML_NAMED_ELEMENT(Connections)
75
76public:
77 QQmlConnections(QObject *parent=nullptr);
78 ~QQmlConnections();
79
80 QObject *target() const;
81 void setTarget(QObject *);
82
83 bool isEnabled() const;
84 void setEnabled(bool enabled);
85
86 bool ignoreUnknownSignals() const;
87 void setIgnoreUnknownSignals(bool ignore);
88
89Q_SIGNALS:
90 void targetChanged();
91 Q_REVISION(3) void enabledChanged();
92
93private:
94 void connectSignals();
95 void connectSignalsToMethods();
96 void connectSignalsToBindings();
97
98 void classBegin() override;
99 void componentComplete() override;
100};
101
102// TODO: Drop this class as soon as we can
103class QQmlConnectionsParser : public QQmlCustomParser
104{
105public:
106 void verifyBindings(const QQmlRefPointer<QV4::ExecutableCompilationUnit> &compilationUnit, const QList<const QV4::CompiledData::Binding *> &props) override;
107 void applyBindings(QObject *object, const QQmlRefPointer<QV4::ExecutableCompilationUnit> &compilationUnit, const QList<const QV4::CompiledData::Binding *> &bindings) override;
108};
109
110// TODO: We won't need Connections to be a custom type anymore once we can drop the
111// automatic signal handler inference from undeclared properties.
112template<>
113inline QQmlCustomParser *qmlCreateCustomParser<QQmlConnections>()
114{
115 return new QQmlConnectionsParser;
116}
117
118QT_END_NAMESPACE
119
120QML_DECLARE_TYPE(QQmlConnections)
121
122#endif
123

source code of qtdeclarative/src/qml/types/qqmlconnections_p.h