Beispiel #1
0
void QPropertyModel::addItem(QObject *propertyObject)
{
	// first create property <-> class hierarchy
	QList<PropertyPair> propertyMap;
	QList<const QMetaObject*> classList;	
	const QMetaObject* metaObject = propertyObject->metaObject();	
	do
	{
		int count = metaObject->propertyCount();
		for (int i=0; i<count; ++i)
		{
			QMetaProperty property = metaObject->property(i);
			if( property.isUser() ) // Hide Qt specific properties
			{				
				PropertyPair pair(metaObject, property);
				int index = propertyMap.indexOf(pair);
				if (index != -1)
                {
                    propertyMap[index] = pair;
                }
				else
                {
                    propertyMap.push_back(pair);
                }
			}
		}		
		classList.push_front(metaObject);
	}while ((metaObject = metaObject->superClass())!=0);
	
	QList<const QMetaObject*> finalClassList;	
	// remove empty classes from hierarchy list
	foreach(const QMetaObject* obj, classList)
	{
		bool keep = false;
		foreach(PropertyPair pair, propertyMap)
		{
			if (pair.Object == obj)
			{
				keep = true;
				break;
			}
		}
		if (keep)
        {
            finalClassList.push_back(obj);
        }
	}
Beispiel #2
0
const char *SettingsWidget::lookForWidgetState(QWidget *widget, const char *property, const char *signal)
{
	const QMetaObject *meta = widget->metaObject();
	WidgetInfo info = { widget, NULL, QVariant(), false };
	bool free_signal = false;
	// Firstly try to search this widget in predefined classes
	if (!signal && !property) {
		for (int i = 0, size = sizeof(widget_infos) / sizeof(AbstractWidgetInfo*); i < size; i++) {
			if (widget_infos[i]->handle(widget)) {
				info.property = widget_infos[i]->property;
				signal = widget_infos[i]->signal;
				break;
			}
		}
	}
	// Then try to find "User" property with signal or signal by property
	if (!signal) {
		for (int i = 0, size = meta->propertyCount(); i < size; i++) {
			QMetaProperty prop = meta->property(i);
			if (prop.hasNotifySignal()
				&& ((property && !qstrcmp(prop.name(), property))
					|| (!property && prop.isUser()))) {
				info.property = prop.name();
				const char *sig = prop.notifySignal().signature();
				int len = strlen(sig);
				char *str = (char *)qMalloc(sizeof(char) * (len + 2));
				str[0] = QSIGNAL_CODE;
				qstrcpy(str + 1, sig);
				signal = str;
				free_signal = true;
				break;
			}
		}
	}
	bool result(signal);
	if (result) {
		p->mapper->setMapping(widget, p->infos.size());
		connect(widget, signal, p->mapper, SLOT(map()));
		p->infos << info;
	}
	if (free_signal)
		qFree((void *)signal);
	return result ? info.property : 0;
}
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();
}
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"));
}
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;
}