85 lines
2.5 KiB
C++
85 lines
2.5 KiB
C++
/******************************************************************************
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* QSkinny - Copyright (C) The authors
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* SPDX-License-Identifier: BSD-3-Clause
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*****************************************************************************/
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#ifndef QSK_QML_CLASSINFO_H
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#define QSK_QML_CLASSINFO_H
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#include <qqml.h>
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class QByteArray;
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#if QT_VERSION < QT_VERSION_CHECK( 6, 3, 0 )
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#define QSK_STRUCT_VERSION 0
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#elif QT_VERSION < QT_VERSION_CHECK( 6, 5, 0 )
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#define QSK_STRUCT_VERSION 1
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#else
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#define QSK_STRUCT_VERSION 2
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#endif
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namespace QskQml
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{
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class ClassInfo
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{
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public:
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ClassInfo( const char* qmlName, const QMetaObject* );
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template< typename T > void setTypeInfo();
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int registerType();
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private:
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static QByteArray normalizedListName(
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const char* containerName, const QMetaObject& );
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QQmlPrivate::RegisterType m_info;
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};
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template< typename T >
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inline void ClassInfo::setTypeInfo()
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{
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using namespace QQmlPrivate;
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constexpr bool isObject = std::is_base_of_v< QObject, T >;
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if ( isObject )
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m_info.typeId = QMetaType::fromType< T* >();
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else
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m_info.typeId = QMetaType::fromType< T >();
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m_info.objectSize = sizeof( T );
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m_info.create = Constructors< T >::createInto;
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m_info.createValueType = ValueType< T, void >::create;
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const auto name = normalizedListName(
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isObject ? "QQmlListProperty" : "QList", T::staticMetaObject );
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/*
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QMetaType::fromType< QList< T >() creates a lot of symbols
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that end up in QskQml.o for all gadgets. So we export only
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registered lists. Registration might be done in the qskinny library
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itself - or in QskQml.cpp.
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As we do not design plain data being a QObject I'm not sure
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if we need to have QQmlListProperty< T > at all ...
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*/
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m_info.listId = QMetaType::fromName( name.constData() );
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m_info.parserStatusCast = StaticCastSelector< T, QQmlParserStatus >::cast();
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m_info.valueSourceCast = StaticCastSelector< T, QQmlPropertyValueSource >::cast();
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m_info.valueInterceptorCast = StaticCastSelector< T, QQmlPropertyValueInterceptor >::cast();
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#if QSK_STRUCT_VERSION >= 1
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m_info.finalizerCast = StaticCastSelector< T, QQmlFinalizerHook >::cast();
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#endif
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}
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inline int ClassInfo::registerType()
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{
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return qmlregister( QQmlPrivate::TypeRegistration, &m_info );
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}
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}
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#endif
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