bool UiExtractor::checkProperty(QObject *obj, const QString &prop) const
{
const QMetaObject *mo = obj->metaObject();
const QMetaProperty mp = mo->property(mo->indexOfProperty(prop.toLatin1()));
// TODO come up with some more aggressive filtering
if (mp.isValid() && mp.isDesignable(obj) && mp.isStored(obj) && mp.isWritable()) {
const QVariant value = mp.read(obj);
// try to figure out the default by resetting to it
if (mp.isResettable()) {
mp.reset(obj);
if (mp.read(obj) == value) {
return false;
}
mp.write(obj, value);
return true;
}
// some guessing for non-resettable properties
if (value.isNull() || !value.isValid()) {
return false;
}
if (value.type() == QVariant::String) {
return !value.toString().isEmpty();
} else if (value.type() == QVariant::Locale) {
return value.value<QLocale>() != QLocale::system();
}
return true;
}
return false;
}
QT_BEGIN_NAMESPACE
QDeclarativePropertyCache::Data::Flags QDeclarativePropertyCache::Data::flagsForProperty(const QMetaProperty &p, QDeclarativeEngine *engine)
{
int propType = p.userType();
Flags flags;
if (p.isConstant())
flags |= Data::IsConstant;
if (p.isWritable())
flags |= Data::IsWritable;
if (p.isResettable())
flags |= Data::IsResettable;
if (propType == qMetaTypeId<QDeclarativeBinding *>()) {
flags |= Data::IsQmlBinding;
} else if (propType == qMetaTypeId<QScriptValue>()) {
flags |= Data::IsQScriptValue;
} else if (p.isEnumType()) {
flags |= Data::IsEnumType;
} else {
QDeclarativeMetaType::TypeCategory cat = engine ? QDeclarativeEnginePrivate::get(engine)->typeCategory(propType)
: QDeclarativeMetaType::typeCategory(propType);
if (cat == QDeclarativeMetaType::Object)
flags |= Data::IsQObjectDerived;
else if (cat == QDeclarativeMetaType::List)
flags |= Data::IsQList;
}
return flags;
}
void AbstractParam::resetValue() {
const QMetaObject *mo = metaObject();
int i = mo->indexOfProperty("value");
if (i >= 0) {
QMetaProperty mp = mo->property(i);
if (mp.isResettable()) {
mp.reset(this);
}
}
}
QVariant ObjectStaticPropertyModel::data(const QModelIndex &index, int role) const
{
if (!index.isValid() || !m_obj || index.row() < 0 ||
index.row() >= m_obj.data()->metaObject()->propertyCount()) {
return QVariant();
}
const QMetaProperty prop = m_obj.data()->metaObject()->property(index.row());
if (role == Qt::DisplayRole) {
if (index.column() == 0) {
return prop.name();
} else if (index.column() == 1) {
// QMetaProperty::read sets QVariant::typeName to int for enums,
// so we need to handle that separately here
const QVariant value = prop.read(m_obj.data());
const QString enumStr = Util::enumToString(value, prop.typeName(), m_obj.data());
if (!enumStr.isEmpty()) {
return enumStr;
}
return VariantHandler::displayString(value);
} else if (index.column() == 2) {
return prop.typeName();
} else if (index.column() == 3) {
const QMetaObject *mo = m_obj.data()->metaObject();
while (mo->propertyOffset() > index.row()) {
mo = mo->superClass();
}
return mo->className();
}
} else if (role == Qt::DecorationRole) {
if (index.column() == 1) {
return VariantHandler::decoration(prop.read(m_obj.data()));
}
} else if (role == Qt::EditRole) {
if (index.column() == 1) {
return prop.read(m_obj.data());
}
} else if (role == Qt::ToolTipRole) {
const QString toolTip =
tr("Constant: %1\nDesignable: %2\nFinal: %3\nResetable: %4\n"
"Has notification: %5\nScriptable: %6\nStored: %7\nUser: %8\nWritable: %9").
arg(translateBool(prop.isConstant())).
arg(translateBool(prop.isDesignable(m_obj.data()))).
arg(translateBool(prop.isFinal())).
arg(translateBool(prop.isResettable())).
arg(translateBool(prop.hasNotifySignal())).
arg(translateBool(prop.isScriptable(m_obj.data()))).
arg(translateBool(prop.isStored(m_obj.data()))).
arg(translateBool(prop.isUser(m_obj.data()))).
arg(translateBool(prop.isWritable()));
return toolTip;
}
return QVariant();
}
void MetaInfoPrivate::parseProperties(NodeMetaInfo &nodeMetaInfo, const QMetaObject *qMetaObject) const
{
Q_ASSERT_X(qMetaObject, Q_FUNC_INFO, "invalid QMetaObject");
Q_ASSERT_X(nodeMetaInfo.isValid(), Q_FUNC_INFO, "invalid NodeMetaInfo");
for (int i = qMetaObject->propertyOffset(); i < qMetaObject->propertyCount(); ++i) {
QMetaProperty qProperty = qMetaObject->property(i);
PropertyMetaInfo propertyInfo;
propertyInfo.setName(QLatin1String(qProperty.name()));
QString typeName(qProperty.typeName());
QString noStar = typeName;
bool star = false;
while (noStar.contains('*')) {//strip star
noStar.chop(1);
star = true;
}
if (m_QtTypesToQmlTypes.contains(noStar)) {
typeName = star ? m_QtTypesToQmlTypes.value(noStar) + '*' : m_QtTypesToQmlTypes.value(noStar);
//### versions
}
propertyInfo.setType(typeName);
propertyInfo.setValid(true);
propertyInfo.setReadable(qProperty.isReadable());
propertyInfo.setWritable(qProperty.isWritable());
propertyInfo.setResettable(qProperty.isResettable());
propertyInfo.setEnumType(qProperty.isEnumType());
propertyInfo.setFlagType(qProperty.isFlagType());
if (propertyInfo.isEnumType()) {
EnumeratorMetaInfo enumerator;
QMetaEnum qEnumerator = qProperty.enumerator();
enumerator.setValid(qEnumerator.isValid());
enumerator.setIsFlagType(qEnumerator.isFlag());
enumerator.setScope(qEnumerator.scope());
enumerator.setName(qEnumerator.name());
for (int i = 0 ;i < qEnumerator.keyCount(); i++)
{
enumerator.addElement(qEnumerator.valueToKey(i), i);
}
propertyInfo.setEnumerator(enumerator);
}
nodeMetaInfo.addProperty(propertyInfo);
}
}
QVariant ObjectStaticPropertyModel::data(const QModelIndex &index, int role) const
{
if (!index.isValid() || !m_obj || index.row() < 0 ||
index.row() >= m_obj.data()->metaObject()->propertyCount()) {
return QVariant();
}
const QMetaProperty prop = m_obj.data()->metaObject()->property(index.row());
if (role == Qt::DisplayRole) {
if (index.column() == 0) {
return prop.name();
} else if (index.column() == 1) {
return Util::variantToString(prop.read(m_obj.data()));
} else if (index.column() == 2) {
return prop.typeName();
} else if (index.column() == 3) {
const QMetaObject *mo = m_obj.data()->metaObject();
while (mo->propertyOffset() > index.row()) {
mo = mo->superClass();
}
return mo->className();
}
} else if (role == Qt::EditRole) {
if (index.column() == 1) {
return prop.read(m_obj.data());
}
} else if (role == Qt::ToolTipRole) {
const QString toolTip =
tr("Constant: %1\nDesignable: %2\nFinal: %3\nResetable: %4\n"
"Has notification: %5\nScriptable: %6\nStored: %7\nUser: %8\nWritable: %9").
arg(translateBool(prop.isConstant())).
arg(translateBool(prop.isDesignable(m_obj.data()))).
arg(translateBool(prop.isFinal())).
arg(translateBool(prop.isResettable())).
arg(translateBool(prop.hasNotifySignal())).
arg(translateBool(prop.isScriptable(m_obj.data()))).
arg(translateBool(prop.isStored(m_obj.data()))).
arg(translateBool(prop.isUser(m_obj.data()))).
arg(translateBool(prop.isWritable()));
return toolTip;
}
return QVariant();
}
QT_BEGIN_NAMESPACE
// Flags that do *NOT* depend on the property's QMetaProperty::userType() and thus are quick
// to load
static QDeclarativePropertyCache::Data::Flags fastFlagsForProperty(const QMetaProperty &p)
{
QDeclarativePropertyCache::Data::Flags flags;
if (p.isConstant())
flags |= QDeclarativePropertyCache::Data::IsConstant;
if (p.isWritable())
flags |= QDeclarativePropertyCache::Data::IsWritable;
if (p.isResettable())
flags |= QDeclarativePropertyCache::Data::IsResettable;
if (p.isFinal())
flags |= QDeclarativePropertyCache::Data::IsFinal;
if (p.isEnumType())
flags |= QDeclarativePropertyCache::Data::IsEnumType;
return flags;
}
QString ObjectStaticPropertyModel::detailString(const QMetaProperty& prop) const
{
QStringList s;
s << tr("Constant: %1").arg(translateBool(prop.isConstant()));
s << tr("Designable: %1").arg(translateBool(prop.isDesignable(m_obj.data())));
s << tr("Final: %1").arg(translateBool(prop.isFinal()));
if (prop.hasNotifySignal()) {
s << tr("Notification: %1").arg(Util::prettyMethodSignature(prop.notifySignal()));
} else {
s << tr("Notification: no");
}
s << tr("Resetable: %1").arg(translateBool(prop.isResettable()));
#if QT_VERSION >= QT_VERSION_CHECK(5, 1, 0)
s << tr("Revision: %1").arg(prop.revision());
#endif
s << tr("Scriptable: %1").arg(translateBool(prop.isScriptable(m_obj.data())));
s << tr("Stored: %1").arg(translateBool(prop.isStored(m_obj.data())));
s << tr("User: %1").arg(translateBool(prop.isUser(m_obj.data())));
s << tr("Writable: %1").arg(translateBool(prop.isWritable()));
return s.join("\n");
}
QString QMetaPropertyAdaptor::detailString(const QMetaProperty &prop) const
{
QObject *obj = object().qtObject();
QStringList s;
s << tr("Constant: %1").arg(translateBool(prop.isConstant()));
s << tr("Designable: %1").arg(translateBool(prop.isDesignable(obj)));
s << tr("Final: %1").arg(translateBool(prop.isFinal()));
if (prop.hasNotifySignal())
s << tr("Notification: %1").arg(Util::prettyMethodSignature(prop.notifySignal()));
else
s << tr("Notification: no");
s << tr("Resetable: %1").arg(translateBool(prop.isResettable()));
#if QT_VERSION >= QT_VERSION_CHECK(5, 1, 0)
s << tr("Revision: %1").arg(prop.revision());
#endif
s << tr("Scriptable: %1").arg(translateBool(prop.isScriptable(obj)));
s << tr("Stored: %1").arg(translateBool(prop.isStored(obj)));
s << tr("User: %1").arg(translateBool(prop.isUser(obj)));
s << tr("Writable: %1").arg(translateBool(prop.isWritable()));
return s.join(QStringLiteral("\n"));
}
QVariant ObjectStaticPropertyModel::data(const QModelIndex &index, int role) const
{
if (!index.isValid() || !m_obj || index.row() < 0 ||
index.row() >= m_obj.data()->metaObject()->propertyCount()) {
return QVariant();
}
const QMetaProperty prop = m_obj.data()->metaObject()->property(index.row());
const QVariant value = prop.read(m_obj.data());
if (role == Qt::DisplayRole) {
if (index.column() == 0) {
return prop.name();
} else if (index.column() == 1) {
// QMetaProperty::read sets QVariant::typeName to int for enums,
// so we need to handle that separately here
const QString enumStr = Util::enumToString(value, prop.typeName(), m_obj.data());
if (!enumStr.isEmpty()) {
return enumStr;
}
return VariantHandler::displayString(value);
} else if (index.column() == 2) {
return prop.typeName();
} else if (index.column() == 3) {
const QMetaObject *mo = m_obj.data()->metaObject();
while (mo->propertyOffset() > index.row()) {
mo = mo->superClass();
}
return mo->className();
}
} else if (role == Qt::DecorationRole) {
if (index.column() == 1) {
return VariantHandler::decoration(value);
}
} else if (role == Qt::EditRole) {
if (index.column() == 1 && prop.isWritable()) {
return value;
}
} else if (role == Qt::ToolTipRole) {
return detailString(prop);
} else if (role == PropertyModel::ActionRole) {
return (prop.isResettable() ? PropertyModel::Reset : PropertyModel::NoAction)
| ((MetaObjectRepository::instance()->metaObject(value.typeName()) && *reinterpret_cast<void* const*>(value.data())) || value.value<QObject*>()
? PropertyModel::NavigateTo
: PropertyModel::NoAction);
} else if (role == PropertyModel::ValueRole) {
return value;
} else if (role == PropertyModel::AppropriateToolRole) {
ToolModel *toolModel = Probe::instance()->toolModel();
ToolFactory *factory;
if (value.canConvert<QObject*>())
factory = toolModel->data(toolModel->toolForObject(value.value<QObject*>()), ToolModelRole::ToolFactory).value<ToolFactory*>();
else
factory = toolModel->data(toolModel->toolForObject(*reinterpret_cast<void* const*>(value.data()), value.typeName()), ToolModelRole::ToolFactory).value<ToolFactory*>();
if (factory) {
return factory->name();
}
return QVariant();
}
return QVariant();
}
void tst_QQmlMetaObject::property()
{
QFETCH(QString, testFile);
QFETCH(QByteArray, cppTypeName);
QFETCH(int, cppType);
QFETCH(bool, isDefault);
QFETCH(QVariant, expectedValue);
QFETCH(bool, isWritable);
QFETCH(QVariant, newValue);
QQmlEngine engine;
QQmlComponent component(&engine, testFileUrl(testFile));
QObject *object = component.create();
QVERIFY(object != 0);
const QMetaObject *mo = object->metaObject();
QVERIFY(mo->superClass() != 0);
QVERIFY(QByteArray(mo->className()).contains("_QML_"));
QCOMPARE(mo->propertyOffset(), mo->superClass()->propertyCount());
QCOMPARE(mo->propertyCount(), mo->superClass()->propertyCount() + 1);
QMetaProperty prop = mo->property(mo->propertyOffset());
QCOMPARE(prop.name(), "test");
QCOMPARE(QByteArray(prop.typeName()), cppTypeName);
if (prop.userType() < QMetaType::User)
QCOMPARE(prop.type(), QVariant::Type(cppType));
else
QCOMPARE(prop.type(), QVariant::UserType);
QCOMPARE(prop.userType(), cppType);
QVERIFY(!prop.isConstant());
QVERIFY(!prop.isDesignable());
QVERIFY(!prop.isEnumType());
QVERIFY(!prop.isFinal());
QVERIFY(!prop.isFlagType());
QVERIFY(prop.isReadable());
QVERIFY(!prop.isResettable());
QVERIFY(prop.isScriptable());
QVERIFY(!prop.isStored());
QVERIFY(!prop.isUser());
QVERIFY(prop.isValid());
QCOMPARE(prop.isWritable(), isWritable);
QCOMPARE(mo->classInfoOffset(), mo->superClass()->classInfoCount());
QCOMPARE(mo->classInfoCount(), mo->superClass()->classInfoCount() + (isDefault ? 1 : 0));
if (isDefault) {
QMetaClassInfo info = mo->classInfo(mo->classInfoOffset());
QCOMPARE(info.name(), "DefaultProperty");
QCOMPARE(info.value(), "test");
}
QCOMPARE(mo->methodOffset(), mo->superClass()->methodCount());
QCOMPARE(mo->methodCount(), mo->superClass()->methodCount() + 1); // the signal
QVERIFY(prop.notifySignalIndex() != -1);
QMetaMethod signal = prop.notifySignal();
QCOMPARE(signal.methodType(), QMetaMethod::Signal);
QCOMPARE(signal.name(), QByteArray("testChanged"));
QCOMPARE(signal.methodSignature(), QByteArray("testChanged()"));
QCOMPARE(signal.access(), QMetaMethod::Public);
QCOMPARE(signal.parameterCount(), 0);
QCOMPARE(signal.parameterTypes(), QList<QByteArray>());
QCOMPARE(signal.parameterNames(), QList<QByteArray>());
QCOMPARE(signal.tag(), "");
QCOMPARE(signal.typeName(), "void");
QCOMPARE(signal.returnType(), int(QMetaType::Void));
QSignalSpy changedSpy(object, SIGNAL(testChanged()));
QObject::connect(object, SIGNAL(testChanged()), object, SLOT(deleteLater()));
if (expectedValue.isValid())
QCOMPARE(prop.read(object), expectedValue);
else
QVERIFY(prop.read(object).isValid());
QCOMPARE(changedSpy.count(), 0);
if (isWritable) {
QVERIFY(prop.write(object, newValue));
QCOMPARE(changedSpy.count(), 1);
QCOMPARE(prop.read(object), newValue);
} else {
QVERIFY(!prop.write(object, prop.read(object)));
QCOMPARE(changedSpy.count(), 0);
}
delete object;
}