109 lines
3.5 KiB
C
109 lines
3.5 KiB
C
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#ifndef QPropertyHandle_h__
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#define QPropertyHandle_h__
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#include <QObject>
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#include <QQuickItem>
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#include "PropertyHandleImpl/QPropertyHandleImpl_Enum.h"
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#include "PropertyHandleImpl/QPropertyHandleImpl_Object.h"
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#include "PropertyHandleImpl/QPropertyHandleImpl_Associative.h"
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#include "PropertyHandleImpl/QPropertyHandleImpl_Sequential.h"
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class IPropertyHandleImpl;
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class DIAGRAM_DESIGNER_PUBLIC QPropertyHandle : public QObject {
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Q_OBJECT
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Q_PROPERTY(QVariant Var READ getVar WRITE setVar NOTIFY asVarChanged)
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public:
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using Getter = std::function<QVariant()>;
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using Setter = std::function<void(QVariant)>;
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enum PropertyType {
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Unknown,
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RawType,
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Enum,
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Sequential,
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Associative,
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Object
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};
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static QPropertyHandle* Find(const QObject* inParent, const QString& inPropertyPath);
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static QPropertyHandle* FindOrCreate(QObject* inParent, QMetaType inType, QString inPropertyPath, Getter inGetter, Setter inSetter);
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static QPropertyHandle* FindOrCreate(QObject* inObject);
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static QPropertyHandle* Create(QObject* inParent, QMetaType inType, QString inPropertyPath, Getter inGetter, Setter inSetter);
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static void Cleanup(QObject* inParent);
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QMetaType getType();
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PropertyType getPropertyType() const;
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QString getName();
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QString getPropertyPath();
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QString createSubPath(const QString& inSubName);
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void invalidateStructure();
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Q_INVOKABLE QVariant getVar();
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Q_INVOKABLE void setVar(QVariant var);
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bool hasMetaData(const QString& inName) const;
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QVariant getMetaData(const QString& inName) const;
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const QVariantHash& getMetaDataMap() const;
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QPropertyHandle* findChild(QString inPropertyName);
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QPropertyHandle* findOrCreateChild(QMetaType inType, QString inPropertyName, QPropertyHandle::Getter inGetter, QPropertyHandle::Setter inSetter);
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QQuickItem* setupNameEditor(QQuickItem* inParent);
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QQuickItem* steupValueEditor(QQuickItem* inParent);
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IPropertyHandleImpl::Type type();
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QPropertyHandleImpl_Enum* asEnum();
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QPropertyHandleImpl_Object* asObject();
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QPropertyHandleImpl_Associative* asAssociative();
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QPropertyHandleImpl_Sequential* asSequential();
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static PropertyType parserType(QMetaType inType);
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static QVariant createNewVariant(QMetaType inOutputType);
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Q_SIGNALS:
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void asVarChanged(QVariant);
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void asStructureChanged();
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void asRequestRollback(QVariant);
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protected:
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QPropertyHandle(QObject* inParent, QMetaType inType, QString inPropertyPath, Getter inGetter, Setter inSetter);
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void resloveMetaData();
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private:
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QMetaType mType;
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PropertyType mPropertyType;
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QString mPropertyPath;
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Getter mGetter;
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Setter mSetter;
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QVariant mInitialValue;
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QVariantHash mMetaData;
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QSharedPointer<IPropertyHandleImpl> mImpl;
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};
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struct DIAGRAM_DESIGNER_PUBLIC ExternalRefCountWithMetaType : public QtSharedPointer::ExternalRefCountData {
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typedef ExternalRefCountData Parent;
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QMetaType mMetaType;
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void* mData;
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static void deleter(ExternalRefCountData* self) {
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ExternalRefCountWithMetaType* that =
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static_cast<ExternalRefCountWithMetaType*>(self);
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that->mMetaType.destroy(that->mData);
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Q_UNUSED(that); // MSVC warns if T has a trivial destructor
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}
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static inline ExternalRefCountData* create(QMetaType inMetaType, void* inPtr)
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{
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ExternalRefCountWithMetaType* d = static_cast<ExternalRefCountWithMetaType*>(::operator new(sizeof(ExternalRefCountWithMetaType)));
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// initialize the d-pointer sub-object
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// leave d->data uninitialized
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new (d) Parent(ExternalRefCountWithMetaType::deleter); // can't throw
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d->mData = inPtr;
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d->mMetaType = inMetaType;
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return d;
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}
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};
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#endif // QPropertyHandle_h__
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