\brief The QtObject element is the most basic element in QML.
The QtObject element is a non-visual element which contains only the
- objectName property.
+ objectName property.
It can be useful to create a QtObject if you need an extremely
lightweight element to enclose a set of custom properties:
This property holds the QObject::objectName for this specific object instance.
This allows a C++ application to locate an item within a QML component
- using the QObject::findChild() method. For example, the following C++
+ using the QObject::findChild() method. For example, the following C++
application locates the child \l Rectangle item and dynamically changes its
\c color value:
Rectangle {
anchors.fill: parent
- color: "red"
+ color: "red"
objectName: "myRect"
}
}
view.show();
QDeclarativeItem *item = view.rootObject()->findChild<QDeclarativeItem*>("myRect");
- if (item)
+ if (item)
item->setProperty("color", QColor(Qt::yellow));
\endcode
*/
\keyword QmlGlobalQtObject
-\brief The \c Qt object provides useful enums and functions from Qt, for use in all QML files.
+\brief The \c Qt object provides useful enums and functions from Qt, for use in all QML files.
The \c Qt object is a global object with utility functions, properties and enums.
/*!
Sets the \a provider to use for images requested via the \e
- image: url scheme, with host \a providerId. The QDeclarativeEngine
+ image: url scheme, with host \a providerId. The QDeclarativeEngine
takes ownership of \a provider.
Image providers enable support for pixmap and threaded image
rv = pf(const_cast<QObject *>(object));
- if (rv)
+ if (rv)
data->attachedProperties()->insert(id, rv);
return rv;
or \c null if an empty string was given.
The returned component's \l Component::status property indicates whether the
-component was successfully created. If the status is \c Component.Error,
+component was successfully created. If the status is \c Component.Error,
see \l Component::errorString() for an error description.
Call \l {Component::createObject()}{Component.createObject()} on the returned
return engine->newVariant(QVariant::fromValue(date.toString(format)));
} else if (formatArg.isNumber()) {
enumFormat = Qt::DateFormat(formatArg.toUInt32());
- } else {
+ } else {
return ctxt->throwError(QLatin1String("Qt.formatDateTime(): Invalid datetime format"));
}
}
}
/*!
-\qmlmethod rect Qt::rect(int x, int y, int width, int height)
+\qmlmethod rect Qt::rect(int x, int y, int width, int height)
Returns a \c rect with the top-left corner at \c x, \c y and the specified \c width and \c height.
*/
QScriptValue QDeclarativeEnginePrivate::btoa(QScriptContext *ctxt, QScriptEngine *)
{
- if (ctxt->argumentCount() != 1)
+ if (ctxt->argumentCount() != 1)
return ctxt->throwError(QLatin1String("Qt.btoa(): Invalid arguments"));
QByteArray data = ctxt->argument(0).toString().toUtf8();
QScriptValue QDeclarativeEnginePrivate::atob(QScriptContext *ctxt, QScriptEngine *)
{
- if (ctxt->argumentCount() != 1)
+ if (ctxt->argumentCount() != 1)
return ctxt->throwError(QLatin1String("Qt.atob(): Invalid arguments"));
QByteArray data = ctxt->argument(0).toString().toUtf8();
}
}
-QDeclarativePropertyCache *QDeclarativeEnginePrivate::createCache(QDeclarativeType *type, int minorVersion,
+QDeclarativePropertyCache *QDeclarativeEnginePrivate::createCache(QDeclarativeType *type, int minorVersion,
QDeclarativeError &error)
{
QList<QDeclarativeType *> types;
const QMetaObject *metaObject = type->metaObject();
while (metaObject) {
- QDeclarativeType *t = QDeclarativeMetaType::qmlType(metaObject, type->module(),
+ QDeclarativeType *t = QDeclarativeMetaType::qmlType(metaObject, type->module(),
type->majorVersion(), minorVersion);
if (t) {
maxMinorVersion = qMax(maxMinorVersion, t->minorVersion());
// Signals override:
// * other signals and methods of the same name.
- // * properties named on<Signal Name>
+ // * properties named on<Signal Name>
// * automatic <property name>Changed notify signals
// Methods override:
QDeclarativePropertyCache::Data *current = d;
while (!overloadError && current) {
current = d->overrideData(current);
- if (current && raw->isAllowedInRevision(current))
+ if (current && raw->isAllowedInRevision(current))
overloadError = true;
}
}
if (overloadError) {
if (hasCopied) raw->release();
-
+
error.setDescription(QLatin1String("Type ") + QString::fromUtf8(type->qmlTypeName()) + QLatin1String(" ") + QString::number(type->majorVersion()) + QLatin1String(".") + QString::number(minorVersion) + QLatin1String(" contains an illegal property \"") + overloadName + QLatin1String("\". This is an error in the type's implementation."));
return 0;
}
/*!
Returns a QDeclarativePropertyCache for \a obj if one is available.
-If \a obj is null, being deleted or contains a dynamic meta object 0
+If \a obj is null, being deleted or contains a dynamic meta object 0
is returned.
The returned cache is not referenced, so if it is to be stored, call addref().
*/
-QDeclarativePropertyCache *QDeclarativeEnginePrivate::cache(QObject *obj)
+QDeclarativePropertyCache *QDeclarativeEnginePrivate::cache(QObject *obj)
{
- if (!obj || QObjectPrivate::get(obj)->metaObject || QObjectPrivate::get(obj)->wasDeleted)
+ if (!obj || QObjectPrivate::get(obj)->metaObject || QObjectPrivate::get(obj)->wasDeleted)
return 0;
const QMetaObject *mo = obj->metaObject();
}
/*!
-Returns a QDeclarativePropertyCache for \a metaObject.
+Returns a QDeclarativePropertyCache for \a metaObject.
As the cache is persisted for the life of the engine, \a metaObject must be
-a static "compile time" meta-object, or a meta-object that is otherwise known to
+a static "compile time" meta-object, or a meta-object that is otherwise known to
exist for the lifetime of the QDeclarativeEngine.
The returned cache is not referenced, so if it is to be stored, call addref().