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);
}
}
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;
}