107 lines
2.2 KiB
C
107 lines
2.2 KiB
C
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/******************************************************************************
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* QSkinny - Copyright (C) 2016 Uwe Rathmann
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* This file may be used under the terms of the QSkinny License, Version 1.0
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*****************************************************************************/
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#ifndef QSK_META_INVOKABLE_H
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#define QSK_META_INVOKABLE_H 1
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#include "QskGlobal.h"
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#include <QMetaType>
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#include <Qt>
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template< typename T > class QVector;
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class QskMetaFunction;
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class QMetaObject;
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class QMetaMethod;
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class QObject;
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class QSK_EXPORT QskMetaInvokable
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{
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public:
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enum Type
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{
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Invalid = 0,
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// A QMetaMethod
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MetaMethod,
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// A function pointer, for what Qt calls "functor based" callbacks
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MetaFunction
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};
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QskMetaInvokable();
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QskMetaInvokable( const QskMetaFunction& );
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QskMetaInvokable( const QMetaMethod& );
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QskMetaInvokable( const QObject*, const char* methodName );
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QskMetaInvokable( const QMetaObject*, const char* methodName );
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QskMetaInvokable( const QskMetaInvokable& );
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~QskMetaInvokable();
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QskMetaInvokable& operator=( const QskMetaInvokable& );
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bool operator==( const QskMetaInvokable& ) const;
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bool operator!=( const QskMetaInvokable& ) const;
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explicit operator bool() const;
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Type type() const;
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bool isNull() const;
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QVector< int > parameterTypes() const;
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void invoke( QObject*, void* args[],
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Qt::ConnectionType = Qt::AutoConnection );
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void reset();
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private:
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struct FunctionData
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{
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void* functionCall;
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};
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struct MethodData
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{
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const QMetaObject* metaObject;
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int methodIndex;
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};
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union
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{
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FunctionData m_functionData;
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MethodData m_methodData;
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};
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int m_type : 3;
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};
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inline QskMetaInvokable::QskMetaInvokable():
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m_type( Invalid )
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{
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}
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inline bool QskMetaInvokable::operator!=( const QskMetaInvokable& other ) const
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{
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return !( *this == other );
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}
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inline QskMetaInvokable::operator bool() const
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{
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return !isNull();
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}
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inline QskMetaInvokable::Type QskMetaInvokable::type() const
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{
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return static_cast< Type >( m_type );
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}
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Q_DECLARE_METATYPE( QskMetaInvokable )
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#endif
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